[ACPI] merge acpi-2.6.12 branch into latest Linux 2.6.13-rc...

Signed-off-by: Len Brown <len.brown@intel.com>

Documentation/acpi-hotkey.txt

@@ -0,0 +1,35 @@
+driver/acpi/hotkey.c implement:
+1. /proc/acpi/hotkey/event_config 
+(event based hotkey or event config interface):
+a. add a  event based hotkey(event) : 
+echo "0:bus::action:method:num:num" > event_config
+
+b. delete a event based hotkey(event): 
+echo "1:::::num:num" > event_config
+
+c.  modify a event based hotkey(event):    
+echo "2:bus::action:method:num:num" > event_config
+
+2. /proc/acpi/hotkey/poll_config 
+(polling based hotkey or event config interface):
+a.add a polling based hotkey(event) : 	
+echo "0:bus:method:action:method:num" > poll_config
+this adding command will create a proc file 
+/proc/acpi/hotkey/method, which is used to get 
+result of polling.
+
+b.delete a polling based hotkey(event): 	
+echo "1:::::num" > event_config
+
+c.modify a polling based hotkey(event):    
+echo "2:bus:method:action:method:num" > poll_config
+
+3./proc/acpi/hotkey/action 
+(interface to call aml method associated with a 
+specific hotkey(event))
+echo "event_num:event_type:event_argument" > 
+	/proc/acpi/hotkey/action.
+The result of the execution of this aml method is 
+attached to /proc/acpi/hotkey/poll_method, which is dnyamically
+created.  Please use command "cat /proc/acpi/hotkey/polling_method" 
+to retrieve it.

arch/frv/mb93090-mb00/pci-irq.c

@@ -60,7 +60,7 @@ void __init pcibios_fixup_irqs(void)
 	}
 }
 
-void __init pcibios_penalize_isa_irq(int irq)
+void __init pcibios_penalize_isa_irq(int irq, int active)
 {
 }
 

arch/i386/kernel/acpi/Makefile

@@ -2,3 +2,7 @@ obj-$(CONFIG_ACPI_BOOT)		:= boot.o
 obj-$(CONFIG_X86_IO_APIC)	+= earlyquirk.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o
 
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y				+= cstate.o
+endif
+

arch/i386/kernel/acpi/cstate.c

@@ -0,0 +1,103 @@
+/*
+ * arch/i386/kernel/acpi/cstate.c
+ *
+ * Copyright (C) 2005 Intel Corporation
+ * 	Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ * 	- Added _PDC for SMP C-states on Intel CPUs
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+
+#include <acpi/processor.h>
+#include <asm/acpi.h>
+
+static void acpi_processor_power_init_intel_pdc(struct acpi_processor_power
+						*pow)
+{
+	struct acpi_object_list *obj_list;
+	union acpi_object *obj;
+	u32 *buf;
+
+	/* allocate and initialize pdc. It will be used later. */
+	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
+	if (!obj_list) {
+		printk(KERN_ERR "Memory allocation error\n");
+		return;
+	}
+
+	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+	if (!obj) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj_list);
+		return;
+	}
+
+	buf = kmalloc(12, GFP_KERNEL);
+	if (!buf) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj);
+		kfree(obj_list);
+		return;
+	}
+
+	buf[0] = ACPI_PDC_REVISION_ID;
+	buf[1] = 1;
+	buf[2] = ACPI_PDC_C_CAPABILITY_SMP;
+
+	obj->type = ACPI_TYPE_BUFFER;
+	obj->buffer.length = 12;
+	obj->buffer.pointer = (u8 *) buf;
+	obj_list->count = 1;
+	obj_list->pointer = obj;
+	pow->pdc = obj_list;
+
+	return;
+}
+
+/* Initialize _PDC data based on the CPU vendor */
+void acpi_processor_power_init_pdc(struct acpi_processor_power *pow,
+				   unsigned int cpu)
+{
+	struct cpuinfo_x86 *c = cpu_data + cpu;
+
+	pow->pdc = NULL;
+	if (c->x86_vendor == X86_VENDOR_INTEL)
+		acpi_processor_power_init_intel_pdc(pow);
+
+	return;
+}
+
+EXPORT_SYMBOL(acpi_processor_power_init_pdc);
+
+/*
+ * Initialize bm_flags based on the CPU cache properties
+ * On SMP it depends on cache configuration
+ * - When cache is not shared among all CPUs, we flush cache
+ *   before entering C3.
+ * - When cache is shared among all CPUs, we use bm_check
+ *   mechanism as in UP case
+ *
+ * This routine is called only after all the CPUs are online
+ */
+void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
+					unsigned int cpu)
+{
+	struct cpuinfo_x86 *c = cpu_data + cpu;
+
+	flags->bm_check = 0;
+	if (num_online_cpus() == 1)
+		flags->bm_check = 1;
+	else if (c->x86_vendor == X86_VENDOR_INTEL) {
+		/*
+		 * Today all CPUs that support C3 share cache.
+		 * TBD: This needs to look at cache shared map, once
+		 * multi-core detection patch makes to the base.
+		 */
+		flags->bm_check = 1;
+	}
+}
+
+EXPORT_SYMBOL(acpi_processor_power_init_bm_check);

arch/i386/kernel/acpi/wakeup.S

@@ -74,8 +74,9 @@ wakeup_code:
 	movw	%ax,%fs
 	movw	$0x0e00 + 'i', %fs:(0x12)
 	
-	# need a gdt
-	lgdt	real_save_gdt - wakeup_code
+	# need a gdt -- use lgdtl to force 32-bit operands, in case
+	# the GDT is located past 16 megabytes.
+	lgdtl	real_save_gdt - wakeup_code
 
 	movl	real_save_cr0 - wakeup_code, %eax
 	movl	%eax, %cr0

arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c

@@ -375,7 +375,7 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
 	arg0.buffer.pointer = (u8 *) arg0_buf;
 	arg0_buf[0] = ACPI_PDC_REVISION_ID;
 	arg0_buf[1] = 1;
-	arg0_buf[2] = ACPI_PDC_EST_CAPABILITY_SMP | ACPI_PDC_EST_CAPABILITY_MSR;
+	arg0_buf[2] = ACPI_PDC_EST_CAPABILITY_SMP_MSR;
 
 	p.pdc = &arg_list;
 

arch/i386/pci/irq.c

@@ -1051,24 +1051,28 @@ static int __init pcibios_irq_init(void)
 subsys_initcall(pcibios_irq_init);
 
 
-static void pirq_penalize_isa_irq(int irq)
+static void pirq_penalize_isa_irq(int irq, int active)
 {
 	/*
 	 *  If any ISAPnP device reports an IRQ in its list of possible
 	 *  IRQ's, we try to avoid assigning it to PCI devices.
 	 */
-	if (irq < 16)
-		pirq_penalty[irq] += 100;
+	if (irq < 16) {
+		if (active)
+			pirq_penalty[irq] += 1000;
+		else
+			pirq_penalty[irq] += 100;
+	}
 }
 
-void pcibios_penalize_isa_irq(int irq)
+void pcibios_penalize_isa_irq(int irq, int active)
 {
 #ifdef CONFIG_ACPI_PCI
 	if (!acpi_noirq)
-		acpi_penalize_isa_irq(irq);
+		acpi_penalize_isa_irq(irq, active);
 	else
 #endif
-		pirq_penalize_isa_irq(irq);
+		pirq_penalize_isa_irq(irq, active);
 }
 
 static int pirq_enable_irq(struct pci_dev *dev)

arch/i386/pci/visws.c

@@ -21,7 +21,7 @@ static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
 
 int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq;
 
-void __init pcibios_penalize_isa_irq(int irq) {}
+void __init pcibios_penalize_isa_irq(int irq, int active) {}
 
 
 unsigned int pci_bus0, pci_bus1;

arch/ia64/kernel/acpi.c

@@ -11,6 +11,7 @@
  *  Copyright (C) 2001 Jenna Hall <jenna.s.hall@intel.com>
  *  Copyright (C) 2001 Takayoshi Kochi <t-kochi@bq.jp.nec.com>
  *  Copyright (C) 2002 Erich Focht <efocht@ess.nec.de>
+ *  Copyright (C) 2004 Ashok Raj <ashok.raj@intel.com>
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
@@ -67,6 +68,11 @@ EXPORT_SYMBOL(pm_power_off);
 unsigned char acpi_kbd_controller_present = 1;
 unsigned char acpi_legacy_devices;
 
+static unsigned int __initdata acpi_madt_rev;
+
+unsigned int acpi_cpei_override;
+unsigned int acpi_cpei_phys_cpuid;
+
 #define MAX_SAPICS 256
 u16 ia64_acpiid_to_sapicid[MAX_SAPICS] =
 	{ [0 ... MAX_SAPICS - 1] = -1 };
@@ -265,10 +271,56 @@ acpi_parse_plat_int_src (
 						(plintsrc->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
 
 	platform_intr_list[plintsrc->type] = vector;
+	if (acpi_madt_rev > 1) {
+		acpi_cpei_override = plintsrc->plint_flags.cpei_override_flag;
+	}
+
+	/*
+	 * Save the physical id, so we can check when its being removed
+	 */
+	acpi_cpei_phys_cpuid = ((plintsrc->id << 8) | (plintsrc->eid)) & 0xffff;
+
 	return 0;
 }
 
 
+unsigned int can_cpei_retarget(void)
+{
+	extern int cpe_vector;
+
+	/*
+	 * Only if CPEI is supported and the override flag
+	 * is present, otherwise return that its re-targettable
+	 * if we are in polling mode.
+	 */
+	if (cpe_vector > 0 && !acpi_cpei_override)
+		return 0;
+	else
+		return 1;
+}
+
+unsigned int is_cpu_cpei_target(unsigned int cpu)
+{
+	unsigned int logical_id;
+
+	logical_id = cpu_logical_id(acpi_cpei_phys_cpuid);
+
+	if (logical_id == cpu)
+		return 1;
+	else
+		return 0;
+}
+
+void set_cpei_target_cpu(unsigned int cpu)
+{
+	acpi_cpei_phys_cpuid = cpu_physical_id(cpu);
+}
+
+unsigned int get_cpei_target_cpu(void)
+{
+	return acpi_cpei_phys_cpuid;
+}
+
 static int __init
 acpi_parse_int_src_ovr (
 	acpi_table_entry_header *header, const unsigned long end)
@@ -326,6 +378,8 @@ acpi_parse_madt (unsigned long phys_addr, unsigned long size)
 
 	acpi_madt = (struct acpi_table_madt *) __va(phys_addr);
 
+	acpi_madt_rev = acpi_madt->header.revision;
+
 	/* remember the value for reference after free_initmem() */
 #ifdef CONFIG_ITANIUM
 	has_8259 = 1; /* Firmware on old Itanium systems is broken */

arch/ia64/kernel/mca.c

@@ -271,7 +271,7 @@ ia64_mca_log_sal_error_record(int sal_info_type)
 
 #ifdef CONFIG_ACPI
 
-static int cpe_vector = -1;
+int cpe_vector = -1;
 
 static irqreturn_t
 ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)

arch/ia64/kernel/process.c

@@ -196,6 +196,7 @@ update_pal_halt_status(int status)
 void
 default_idle (void)
 {
+	local_irq_enable();
 	while (!need_resched())
 		if (can_do_pal_halt)
 			safe_halt();

arch/ia64/kernel/setup.c

@@ -40,6 +40,8 @@
 #include <linux/serial_core.h>
 #include <linux/efi.h>
 #include <linux/initrd.h>
+#include <linux/platform.h>
+#include <linux/pm.h>
 
 #include <asm/ia32.h>
 #include <asm/machvec.h>
@@ -783,6 +785,7 @@ cpu_init (void)
 	/* size of physical stacked register partition plus 8 bytes: */
 	__get_cpu_var(ia64_phys_stacked_size_p8) = num_phys_stacked*8 + 8;
 	platform_cpu_init();
+	pm_idle = default_idle;
 }
 
 void

arch/ia64/kernel/topology.c

@@ -36,6 +36,13 @@ int arch_register_cpu(int num)
 	parent = &sysfs_nodes[cpu_to_node(num)];
 #endif /* CONFIG_NUMA */
 
+	/*
+	 * If CPEI cannot be re-targetted, and this is
+	 * CPEI target, then dont create the control file
+	 */
+	if (!can_cpei_retarget() && is_cpu_cpei_target(num))
+		sysfs_cpus[num].cpu.no_control = 1;
+
 	return register_cpu(&sysfs_cpus[num].cpu, num, parent);
 }
 

drivers/acpi/Kconfig

@@ -3,6 +3,7 @@
 #
 
 menu "ACPI (Advanced Configuration and Power Interface) Support"
+	depends on PM
 	depends on !X86_VISWS
 	depends on !IA64_HP_SIM
 	depends on IA64 || X86
@@ -48,7 +49,6 @@ config ACPI_BOOT
 
 config ACPI_INTERPRETER
 	bool
-	depends on !IA64_SGI_SN
 	default y
 
 if ACPI_INTERPRETER
@@ -79,6 +79,14 @@ config ACPI_SLEEP_PROC_FS
 	depends on ACPI_SLEEP && PROC_FS
 	default y
 
+config ACPI_SLEEP_PROC_SLEEP
+	bool "/proc/acpi/sleep (deprecated)"
+	depends on ACPI_SLEEP_PROC_FS
+	default n
+	---help---
+	  Create /proc/acpi/sleep
+	  Deprecated by /sys/power/state
+
 config ACPI_AC
 	tristate "AC Adapter"
 	depends on X86
@@ -99,7 +107,6 @@ config ACPI_BATTERY
 
 config ACPI_BUTTON
 	tristate "Button"
-	depends on !IA64_SGI_SN
 	default m
 	help
 	  This driver registers for events based on buttons, such as the
@@ -111,7 +118,6 @@ config ACPI_BUTTON
 config ACPI_VIDEO
 	tristate "Video"
 	depends on EXPERIMENTAL
-	depends on !IA64_SGI_SN
 	default m
 	help
 	  This driver implement the ACPI Extensions For Display Adapters
@@ -122,9 +128,17 @@ config ACPI_VIDEO
 	  Note that this is an ref. implementation only.  It may or may not work
 	  for your integrated video device.
 
+config ACPI_HOTKEY
+	tristate "Generic Hotkey"
+	depends on ACPI_INTERPRETER
+	depends on EXPERIMENTAL
+	depends on !IA64_SGI_SN
+	default m
+	help
+	ACPI generic hotkey
+
 config ACPI_FAN
 	tristate "Fan"
-	depends on !IA64_SGI_SN
 	default m
 	help
 	  This driver adds support for ACPI fan devices, allowing user-mode 
@@ -132,7 +146,6 @@ config ACPI_FAN
 
 config ACPI_PROCESSOR
 	tristate "Processor"
-	depends on !IA64_SGI_SN
 	default m
 	help
 	  This driver installs ACPI as the idle handler for Linux, and uses
@@ -142,7 +155,6 @@ config ACPI_PROCESSOR
 config ACPI_HOTPLUG_CPU
 	bool "Processor Hotplug (EXPERIMENTAL)"
 	depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL
-	depends on !IA64_SGI_SN
 	select ACPI_CONTAINER
 	default n
 	 ---help---
@@ -262,7 +274,6 @@ config ACPI_BLACKLIST_YEAR
 
 config ACPI_DEBUG
 	bool "Debug Statements"
-	depends on !IA64_SGI_SN
 	default n
 	help
 	  The ACPI driver can optionally report errors with a great deal
@@ -271,7 +282,6 @@ config ACPI_DEBUG
 
 config ACPI_BUS
 	bool
-	depends on !IA64_SGI_SN
 	default y
 
 config ACPI_EC
@@ -285,17 +295,14 @@ config ACPI_EC
 
 config ACPI_POWER
 	bool
-	depends on !IA64_SGI_SN
 	default y
 
 config ACPI_PCI
 	bool
-	depends on !IA64_SGI_SN
 	default PCI
 
 config ACPI_SYSTEM
 	bool
-	depends on !IA64_SGI_SN
 	default y
 	help
 	  This driver will enable your system to shut down using ACPI, and
@@ -327,8 +334,13 @@ config ACPI_CONTAINER
 	depends on EXPERIMENTAL
 	default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
 	 ---help---
-	 	This is the ACPI generic container driver which supports
-		ACPI0004, PNP0A05 and PNP0A06 devices
+	  This allows _physical_ insertion and removal of CPUs and memory.
+	  This can be useful, for example, on NUMA machines that support
+	  ACPI based physical hotplug of nodes, or non-NUMA machines that
+	  support physical cpu/memory hot-plug.
+
+	  If one selects "m", this driver can be loaded with
+	  "modprobe acpi_container".
 
 config ACPI_HOTPLUG_MEMORY
 	tristate "Memory Hotplug"

drivers/acpi/Makefile

@@ -36,13 +36,14 @@ processor-objs	+= processor_perflib.o
 endif
 
 obj-$(CONFIG_ACPI_BUS)		+= sleep/
-obj-$(CONFIG_ACPI_BUS)		+= bus.o
+obj-$(CONFIG_ACPI_BUS)		+= bus.o glue.o
 obj-$(CONFIG_ACPI_AC) 		+= ac.o
 obj-$(CONFIG_ACPI_BATTERY)	+= battery.o
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
 obj-$(CONFIG_ACPI_EC)		+= ec.o
 obj-$(CONFIG_ACPI_FAN)		+= fan.o
-obj-$(CONFIG_ACPI_VIDEO)	+= video.o
+obj-$(CONFIG_ACPI_VIDEO)	+= video.o 
+obj-$(CONFIG_ACPI_HOTKEY)	+= hotkey.o
 obj-$(CONFIG_ACPI_PCI)		+= pci_root.o pci_link.o pci_irq.o pci_bind.o
 obj-$(CONFIG_ACPI_POWER)	+= power.o
 obj-$(CONFIG_ACPI_PROCESSOR)	+= processor.o

drivers/acpi/asus_acpi.c

@@ -1204,6 +1204,10 @@ static int __init asus_acpi_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
+	if (!acpi_specific_hotkey_enabled){
+		printk(KERN_ERR "Using generic hotkey driver\n");
+		return -ENODEV;	
+	}
 	asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir);
 	if (!asus_proc_dir) {
 		printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n");

drivers/acpi/bus.c

@@ -212,6 +212,12 @@ acpi_bus_set_power (
 		ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device is not power manageable\n"));
 		return_VALUE(-ENODEV);
 	}
+	/*
+	 * Get device's current power state if it's unknown
+	 * This means device power state isn't initialized or previous setting failed
+	 */
+	if (device->power.state == ACPI_STATE_UNKNOWN)
+		acpi_bus_get_power(device->handle, &device->power.state);
 	if (state == device->power.state) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n", state));
 		return_VALUE(0);
@@ -231,7 +237,7 @@ acpi_bus_set_power (
 	 * On transitions to a high-powered state we first apply power (via
 	 * power resources) then evalute _PSx.  Conversly for transitions to
 	 * a lower-powered state.
-	 */ 
+	 */
 	if (state < device->power.state) {
 		if (device->power.flags.power_resources) {
 			result = acpi_power_transition(device, state);

drivers/acpi/button.c

@@ -26,9 +26,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
@@ -36,9 +33,6 @@
 #define ACPI_BUTTON_COMPONENT		0x00080000
 #define ACPI_BUTTON_DRIVER_NAME		"ACPI Button Driver"
 #define ACPI_BUTTON_CLASS		"button"
-#define ACPI_BUTTON_FILE_INFO		"info"
-#define ACPI_BUTTON_FILE_STATE		"state"
-#define ACPI_BUTTON_TYPE_UNKNOWN	0x00
 #define ACPI_BUTTON_NOTIFY_STATUS	0x80
 
 #define ACPI_BUTTON_SUBCLASS_POWER	"power"
@@ -70,8 +64,6 @@ MODULE_LICENSE("GPL");
 
 static int acpi_button_add (struct acpi_device *device);
 static int acpi_button_remove (struct acpi_device *device, int type);
-static int acpi_button_info_open_fs(struct inode *inode, struct file *file);
-static int acpi_button_state_open_fs(struct inode *inode, struct file *file);
 
 static struct acpi_driver acpi_button_driver = {
 	.name =		ACPI_BUTTON_DRIVER_NAME,
@@ -90,187 +82,6 @@ struct acpi_button {
 	unsigned long		pushed;
 };
 
-static struct file_operations acpi_button_info_fops = {
-	.open		= acpi_button_info_open_fs,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static struct file_operations acpi_button_state_fops = {
-	.open		= acpi_button_state_open_fs,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-/* --------------------------------------------------------------------------
-                              FS Interface (/proc)
-   -------------------------------------------------------------------------- */
-
-static struct proc_dir_entry	*acpi_button_dir;
-
-static int acpi_button_info_seq_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_button	*button = (struct acpi_button *) seq->private;
-
-	ACPI_FUNCTION_TRACE("acpi_button_info_seq_show");
-
-	if (!button || !button->device)
-		return_VALUE(0);
-
-	seq_printf(seq, "type:                    %s\n", 
-		acpi_device_name(button->device));
-
-	return_VALUE(0);
-}
-
-static int acpi_button_info_open_fs(struct inode *inode, struct file *file)
-{
-	return single_open(file, acpi_button_info_seq_show, PDE(inode)->data);
-}
-	
-static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_button	*button = (struct acpi_button *) seq->private;
-	acpi_status		status;
-	unsigned long		state;
-
-	ACPI_FUNCTION_TRACE("acpi_button_state_seq_show");
-
-	if (!button || !button->device)
-		return_VALUE(0);
-
-	status = acpi_evaluate_integer(button->handle,"_LID",NULL,&state);
-	if (ACPI_FAILURE(status)) {
-		seq_printf(seq, "state:      unsupported\n");
-	}
-	else{
-		seq_printf(seq, "state:      %s\n", (state ? "open" : "closed")); 
-	}
-
-	return_VALUE(0);
-}
-
-static int acpi_button_state_open_fs(struct inode *inode, struct file *file)
-{
-	return single_open(file, acpi_button_state_seq_show, PDE(inode)->data);
-}
-
-static int
-acpi_button_add_fs (
-	struct acpi_device	*device)
-{
-	struct proc_dir_entry	*entry = NULL;
-	struct acpi_button	*button = NULL;
-
-	ACPI_FUNCTION_TRACE("acpi_button_add_fs");
-
-	if (!device || !acpi_driver_data(device))
-		return_VALUE(-EINVAL);
-
-	button = acpi_driver_data(device);
-
-	switch (button->type) {
-	case ACPI_BUTTON_TYPE_POWER:
-	case ACPI_BUTTON_TYPE_POWERF:
-			entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_POWER, 
-				acpi_button_dir);
-		break;
-	case ACPI_BUTTON_TYPE_SLEEP:
-	case ACPI_BUTTON_TYPE_SLEEPF:
-			entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_SLEEP, 
-				acpi_button_dir);
-		break;
-	case ACPI_BUTTON_TYPE_LID:
-			entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_LID, 
-				acpi_button_dir);
-		break;
-	}
-
-	if (!entry)
-		return_VALUE(-ENODEV);
-	entry->owner = THIS_MODULE;
-
-	acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry);
-	if (!acpi_device_dir(device))
-		return_VALUE(-ENODEV);
-	acpi_device_dir(device)->owner = THIS_MODULE;
-
-	/* 'info' [R] */
-	entry = create_proc_entry(ACPI_BUTTON_FILE_INFO,
-		S_IRUGO, acpi_device_dir(device));
-	if (!entry)
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_BUTTON_FILE_INFO));
-	else {
-		entry->proc_fops = &acpi_button_info_fops;
-		entry->data = acpi_driver_data(device);
-		entry->owner = THIS_MODULE;
-	}
-
-	/* show lid state [R] */
-	if (button->type == ACPI_BUTTON_TYPE_LID) {
-		entry = create_proc_entry(ACPI_BUTTON_FILE_STATE,
-			S_IRUGO, acpi_device_dir(device));
-		if (!entry)
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				"Unable to create '%s' fs entry\n",
-				ACPI_BUTTON_FILE_INFO));
-		else {
-			entry->proc_fops = &acpi_button_state_fops;
-			entry->data = acpi_driver_data(device);
-			entry->owner = THIS_MODULE;
-		}
-	}
-
-	return_VALUE(0);
-}
-
-
-static int
-acpi_button_remove_fs (
-	struct acpi_device	*device)
-{
-	struct acpi_button	*button = NULL;
-
-	ACPI_FUNCTION_TRACE("acpi_button_remove_fs");
-
-	button = acpi_driver_data(device);
-	if (acpi_device_dir(device)) {
-		if (button->type == ACPI_BUTTON_TYPE_LID)
-			remove_proc_entry(ACPI_BUTTON_FILE_STATE,
-					     acpi_device_dir(device));
-		remove_proc_entry(ACPI_BUTTON_FILE_INFO,
-				     acpi_device_dir(device));
-
-		remove_proc_entry(acpi_device_bid(device),
-				     acpi_device_dir(device)->parent);
-
-
-		switch (button->type) {
-			case ACPI_BUTTON_TYPE_POWER:
-			case ACPI_BUTTON_TYPE_POWERF:
-				remove_proc_entry(ACPI_BUTTON_SUBCLASS_POWER, 
-					acpi_button_dir);
-				break;
-			case ACPI_BUTTON_TYPE_SLEEP:
-			case ACPI_BUTTON_TYPE_SLEEPF:
-				remove_proc_entry(ACPI_BUTTON_SUBCLASS_SLEEP, 
-					acpi_button_dir);
-				break;
-			case ACPI_BUTTON_TYPE_LID:
-				remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, 
-					acpi_button_dir);
-				break;
-		}
-		acpi_device_dir(device) = NULL;
-	}
-
-	return_VALUE(0);
-}
-
-
 /* --------------------------------------------------------------------------
                                 Driver Interface
    -------------------------------------------------------------------------- */
@@ -310,8 +121,7 @@ acpi_button_notify_fixed (
 	
 	ACPI_FUNCTION_TRACE("acpi_button_notify_fixed");
 
-	if (!button)
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	BUG_ON(!button);
 
 	acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
 
@@ -327,10 +137,6 @@ acpi_button_add (
 	acpi_status		status = AE_OK;
 	struct acpi_button	*button = NULL;
 
-	static struct acpi_device *power_button;
-	static struct acpi_device *sleep_button;
-	static struct acpi_device *lid_button;
-
 	ACPI_FUNCTION_TRACE("acpi_button_add");
 
 	if (!device)
@@ -391,42 +197,6 @@ acpi_button_add (
 		goto end;
 	}
 
-	/*
-	 * Ensure only one button of each type is used.
-	 */
-	switch (button->type) {
-	case ACPI_BUTTON_TYPE_POWER:
-	case ACPI_BUTTON_TYPE_POWERF:
-		if (!power_button)
-			power_button = device;
-		else {
-			kfree(button);
-			return_VALUE(-ENODEV);
-		}
-		break;
-	case ACPI_BUTTON_TYPE_SLEEP:
-	case ACPI_BUTTON_TYPE_SLEEPF:
-		if (!sleep_button)
-			sleep_button = device;
-		else {
-			kfree(button);
-			return_VALUE(-ENODEV);
-		}
-		break;
-	case ACPI_BUTTON_TYPE_LID:
-		if (!lid_button)
-			lid_button = device;
-		else {
-			kfree(button);
-			return_VALUE(-ENODEV);
-		}
-		break;
-	}
-
-	result = acpi_button_add_fs(device);
-	if (result)
-		goto end;
-
 	switch (button->type) {
 	case ACPI_BUTTON_TYPE_POWERF:
 		status = acpi_install_fixed_event_handler (
@@ -470,7 +240,6 @@ acpi_button_add (
 
 end:
 	if (result) {
-		acpi_button_remove_fs(device);
 		kfree(button);
 	}
 
@@ -511,8 +280,6 @@ acpi_button_remove (struct acpi_device *device, int type)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 			"Error removing notify handler\n"));
 
-	acpi_button_remove_fs(device);	
-
 	kfree(button);
 
 	return_VALUE(0);
@@ -526,21 +293,14 @@ acpi_button_init (void)
 
 	ACPI_FUNCTION_TRACE("acpi_button_init");
 
-	acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir);
-	if (!acpi_button_dir)
-		return_VALUE(-ENODEV);
-	acpi_button_dir->owner = THIS_MODULE;
-
 	result = acpi_bus_register_driver(&acpi_button_driver);
 	if (result < 0) {
-		remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
 		return_VALUE(-ENODEV);
 	}
 
 	return_VALUE(0);
 }
 
-
 static void __exit
 acpi_button_exit (void)
 {
@@ -548,11 +308,8 @@ acpi_button_exit (void)
 
 	acpi_bus_unregister_driver(&acpi_button_driver);
 
-	remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
-
 	return_VOID;
 }
 
-
 module_init(acpi_button_init);
 module_exit(acpi_button_exit);

drivers/acpi/dispatcher/dsfield.c

@@ -53,13 +53,20 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsfield")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ds_get_field_names (
+	struct acpi_create_field_info   *info,
+	struct acpi_walk_state          *walk_state,
+	union acpi_parse_object         *arg);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_create_buffer_field
  *
- * PARAMETERS:  Opcode              - The opcode to be executed
- *              Operands            - List of operands for the opcode
+ * PARAMETERS:  Op                  - Current parse op (create_xXField)
  *              walk_state          - Current state
  *
  * RETURN:      Status
@@ -70,7 +77,7 @@
  *              create_word_field_op,
  *              create_dword_field_op,
  *              create_qword_field_op,
- *              create_field_op     (all of which define fields in buffers)
+ *              create_field_op     (all of which define a field in a buffer)
  *
  ******************************************************************************/
 
@@ -119,7 +126,8 @@ acpi_ds_create_buffer_field (
 			flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
 		}
 		else {
-			flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND;
+			flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
+					ACPI_NS_ERROR_IF_FOUND;
 		}
 
 		/*
@@ -134,16 +142,16 @@ acpi_ds_create_buffer_field (
 		}
 	}
 
-	/* We could put the returned object (Node) on the object stack for later, but
-	 * for now, we will put it in the "op" object that the parser uses, so we
-	 * can get it again at the end of this scope
+	/* We could put the returned object (Node) on the object stack for later,
+	 * but for now, we will put it in the "op" object that the parser uses,
+	 * so we can get it again at the end of this scope
 	 */
 	op->common.node = node;
 
 	/*
-	 * If there is no object attached to the node, this node was just created and
-	 * we need to create the field object.  Otherwise, this was a lookup of an
-	 * existing node and we don't want to create the field object again.
+	 * If there is no object attached to the node, this node was just created
+	 * and we need to create the field object.  Otherwise, this was a lookup
+	 * of an existing node and we don't want to create the field object again.
 	 */
 	obj_desc = acpi_ns_get_attached_object (node);
 	if (obj_desc) {
@@ -205,7 +213,7 @@ cleanup:
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_get_field_names (
 	struct acpi_create_field_info   *info,
 	struct acpi_walk_state          *walk_state,
@@ -238,7 +246,8 @@ acpi_ds_get_field_names (
 					 + (acpi_integer) arg->common.value.size;
 
 			if (position > ACPI_UINT32_MAX) {
-				ACPI_REPORT_ERROR (("Bit offset within field too large (> 0xFFFFFFFF)\n"));
+				ACPI_REPORT_ERROR ((
+					"Bit offset within field too large (> 0xFFFFFFFF)\n"));
 				return_ACPI_STATUS (AE_SUPPORT);
 			}
 
@@ -250,12 +259,15 @@ acpi_ds_get_field_names (
 
 			/*
 			 * Get a new access_type and access_attribute -- to be used for all
-			 * field units that follow, until field end or another access_as keyword.
+			 * field units that follow, until field end or another access_as
+			 * keyword.
 			 *
-			 * In field_flags, preserve the flag bits other than the ACCESS_TYPE bits
+			 * In field_flags, preserve the flag bits other than the
+			 * ACCESS_TYPE bits
 			 */
-			info->field_flags = (u8) ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
-					  ((u8) ((u32) arg->common.value.integer >> 8)));
+			info->field_flags = (u8)
+				((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
+				((u8) ((u32) arg->common.value.integer >> 8)));
 
 			info->attribute = (u8) (arg->common.value.integer);
 			break;
@@ -267,7 +279,8 @@ acpi_ds_get_field_names (
 
 			status = acpi_ns_lookup (walk_state->scope_info,
 					  (char *) &arg->named.name,
-					  info->field_type, ACPI_IMODE_EXECUTE, ACPI_NS_DONT_OPEN_SCOPE,
+					  info->field_type, ACPI_IMODE_EXECUTE,
+					  ACPI_NS_DONT_OPEN_SCOPE,
 					  walk_state, &info->field_node);
 			if (ACPI_FAILURE (status)) {
 				ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);
@@ -295,8 +308,9 @@ acpi_ds_get_field_names (
 					 + (acpi_integer) arg->common.value.size;
 
 			if (position > ACPI_UINT32_MAX) {
-				ACPI_REPORT_ERROR (("Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n",
-						(char *) &info->field_node->name));
+				ACPI_REPORT_ERROR ((
+					"Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n",
+					(char *) &info->field_node->name));
 				return_ACPI_STATUS (AE_SUPPORT);
 			}
 
@@ -306,7 +320,8 @@ acpi_ds_get_field_names (
 
 		default:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid opcode in field list: %X\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Invalid opcode in field list: %X\n",
 				arg->common.aml_opcode));
 			return_ACPI_STATUS (AE_AML_BAD_OPCODE);
 		}
@@ -435,7 +450,8 @@ acpi_ds_init_field_objects (
 			status = acpi_ns_lookup (walk_state->scope_info,
 					  (char *) &arg->named.name,
 					  type, ACPI_IMODE_LOAD_PASS1,
-					  ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND,
+					  ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
+					  ACPI_NS_ERROR_IF_FOUND,
 					  walk_state, &node);
 			if (ACPI_FAILURE (status)) {
 				ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);

drivers/acpi/dispatcher/dsinit.c

@@ -49,12 +49,21 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsinit")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ds_init_one_object (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_init_one_object
  *
- * PARAMETERS:  obj_handle      - Node
+ * PARAMETERS:  obj_handle      - Node for the object
  *              Level           - Current nesting level
  *              Context         - Points to a init info struct
  *              return_value    - Not used
@@ -70,7 +79,7 @@
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_init_one_object (
 	acpi_handle                     obj_handle,
 	u32                             level,
@@ -105,7 +114,8 @@ acpi_ds_init_one_object (
 
 		status = acpi_ds_initialize_region (obj_handle);
 		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Region %p [%4.4s] - Init failure, %s\n",
 				obj_handle, acpi_ut_get_node_name (obj_handle),
 				acpi_format_exception (status)));
 		}
@@ -118,8 +128,10 @@ acpi_ds_init_one_object (
 
 		info->method_count++;
 
-		/* Print a dot for each method unless we are going to print the entire pathname */
-
+		/*
+		 * Print a dot for each method unless we are going to print
+		 * the entire pathname
+		 */
 		if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
 			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "."));
 		}
@@ -140,7 +152,8 @@ acpi_ds_init_one_object (
 		 */
 		status = acpi_ds_parse_method (obj_handle);
 		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Method %p [%4.4s] - parse failure, %s\n",
 				obj_handle, acpi_ut_get_node_name (obj_handle),
 				acpi_format_exception (status)));
 
@@ -154,7 +167,8 @@ acpi_ds_init_one_object (
 		 * for every execution since there isn't much overhead
 		 */
 		acpi_ns_delete_namespace_subtree (obj_handle);
-		acpi_ns_delete_namespace_by_owner (((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
+		acpi_ns_delete_namespace_by_owner (
+			((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
 		break;
 
 

drivers/acpi/dispatcher/dsmethod.c

@@ -153,12 +153,11 @@ acpi_ds_parse_method (
 	/*
 	 * Parse the method, first pass
 	 *
-	 * The first pass load is where newly declared named objects are
-	 * added into the namespace.  Actual evaluation of
-	 * the named objects (what would be called a "second
-	 * pass") happens during the actual execution of the
-	 * method so that operands to the named objects can
-	 * take on dynamic run-time values.
+	 * The first pass load is where newly declared named objects are added into
+	 * the namespace.  Actual evaluation of the named objects (what would be
+	 * called a "second pass") happens during the actual execution of the
+	 * method so that operands to the named objects can take on dynamic
+	 * run-time values.
 	 */
 	status = acpi_ps_parse_aml (walk_state);
 	if (ACPI_FAILURE (status)) {

drivers/acpi/dispatcher/dsmthdat.c

@@ -52,6 +52,29 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsmthdat")
 
+/* Local prototypes */
+
+static void
+acpi_ds_method_data_delete_value (
+	u16                             opcode,
+	u32                             index,
+	struct acpi_walk_state          *walk_state);
+
+static acpi_status
+acpi_ds_method_data_set_value (
+	u16                             opcode,
+	u32                             index,
+	union acpi_operand_object       *object,
+	struct acpi_walk_state          *walk_state);
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+acpi_object_type
+acpi_ds_method_data_get_type (
+	u16                             opcode,
+	u32                             index,
+	struct acpi_walk_state          *walk_state);
+#endif
+
 
 /*******************************************************************************
  *
@@ -62,8 +85,8 @@
  * RETURN:      Status
  *
  * DESCRIPTION: Initialize the data structures that hold the method's arguments
- *              and locals.  The data struct is an array of NTEs for each.
- *              This allows ref_of and de_ref_of to work properly for these
+ *              and locals.  The data struct is an array of namespace nodes for
+ *              each - this allows ref_of and de_ref_of to work properly for these
  *              special data types.
  *
  * NOTES:       walk_state fields are initialized to zero by the
@@ -92,7 +115,8 @@ acpi_ds_method_data_init (
 		walk_state->arguments[i].name.integer |= (i << 24);
 		walk_state->arguments[i].descriptor   = ACPI_DESC_TYPE_NAMED;
 		walk_state->arguments[i].type         = ACPI_TYPE_ANY;
-		walk_state->arguments[i].flags        = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
+		walk_state->arguments[i].flags        = ANOBJ_END_OF_PEER_LIST |
+				  ANOBJ_METHOD_ARG;
 	}
 
 	/* Init the method locals */
@@ -104,7 +128,8 @@ acpi_ds_method_data_init (
 		walk_state->local_variables[i].name.integer |= (i << 24);
 		walk_state->local_variables[i].descriptor  = ACPI_DESC_TYPE_NAMED;
 		walk_state->local_variables[i].type        = ACPI_TYPE_ANY;
-		walk_state->local_variables[i].flags       = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
+		walk_state->local_variables[i].flags       = ANOBJ_END_OF_PEER_LIST |
+				 ANOBJ_METHOD_LOCAL;
 	}
 
 	return_VOID;
@@ -198,15 +223,18 @@ acpi_ds_method_data_init_args (
 		return_ACPI_STATUS (AE_OK);
 	}
 
-	/* Copy passed parameters into the new method stack frame  */
+	/* Copy passed parameters into the new method stack frame */
 
-	while ((index < ACPI_METHOD_NUM_ARGS) && (index < max_param_count) && params[index]) {
+	while ((index < ACPI_METHOD_NUM_ARGS) &&
+		   (index < max_param_count)      &&
+			params[index]) {
 		/*
 		 * A valid parameter.
 		 * Store the argument in the method/walk descriptor.
 		 * Do not copy the arg in order to implement call by reference
 		 */
-		status = acpi_ds_method_data_set_value (AML_ARG_OP, index, params[index], walk_state);
+		status = acpi_ds_method_data_set_value (AML_ARG_OP, index,
+				 params[index], walk_state);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -224,11 +252,13 @@ acpi_ds_method_data_init_args (
  * FUNCTION:    acpi_ds_method_data_get_node
  *
  * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
- *              Index               - which local_var or argument whose type
- *                                      to get
+ *              Index               - Which Local or Arg whose type to get
  *              walk_state          - Current walk state object
+ *              Node                - Where the node is returned.
  *
- * RETURN:      Get the Node associated with a local or arg.
+ * RETURN:      Status and node
+ *
+ * DESCRIPTION: Get the Node associated with a local or arg.
  *
  ******************************************************************************/
 
@@ -249,7 +279,8 @@ acpi_ds_method_data_get_node (
 	case AML_LOCAL_OP:
 
 		if (index > ACPI_METHOD_MAX_LOCAL) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Local index %d is invalid (max %d)\n",
 				index, ACPI_METHOD_MAX_LOCAL));
 			return_ACPI_STATUS (AE_AML_INVALID_INDEX);
 		}
@@ -262,7 +293,8 @@ acpi_ds_method_data_get_node (
 	case AML_ARG_OP:
 
 		if (index > ACPI_METHOD_MAX_ARG) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Arg index %d is invalid (max %d)\n",
 				index, ACPI_METHOD_MAX_ARG));
 			return_ACPI_STATUS (AE_AML_INVALID_INDEX);
 		}
@@ -286,7 +318,7 @@ acpi_ds_method_data_get_node (
  * FUNCTION:    acpi_ds_method_data_set_value
  *
  * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
- *              Index               - which local_var or argument to get
+ *              Index               - Which Local or Arg to get
  *              Object              - Object to be inserted into the stack entry
  *              walk_state          - Current walk state object
  *
@@ -297,7 +329,7 @@ acpi_ds_method_data_get_node (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_method_data_set_value (
 	u16                             opcode,
 	u32                             index,
@@ -338,56 +370,6 @@ acpi_ds_method_data_set_value (
 }
 
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_get_type
- *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
- *              Index               - which local_var or argument whose type
- *                                      to get
- *              walk_state          - Current walk state object
- *
- * RETURN:      Data type of current value of the selected Arg or Local
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-acpi_object_type
-acpi_ds_method_data_get_type (
-	u16                             opcode,
-	u32                             index,
-	struct acpi_walk_state          *walk_state)
-{
-	acpi_status                     status;
-	struct acpi_namespace_node      *node;
-	union acpi_operand_object       *object;
-
-
-	ACPI_FUNCTION_TRACE ("ds_method_data_get_type");
-
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
-	if (ACPI_FAILURE (status)) {
-		return_VALUE ((ACPI_TYPE_NOT_FOUND));
-	}
-
-	/* Get the object */
-
-	object = acpi_ns_get_attached_object (node);
-	if (!object) {
-		/* Uninitialized local/arg, return TYPE_ANY */
-
-		return_VALUE (ACPI_TYPE_ANY);
-	}
-
-	/* Get the object type */
-
-	return_VALUE (ACPI_GET_OBJECT_TYPE (object));
-}
-#endif  /*  ACPI_FUTURE_USAGE  */
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_method_data_get_value
@@ -395,13 +377,11 @@ acpi_ds_method_data_get_type (
  * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
  *              Index               - which local_var or argument to get
  *              walk_state          - Current walk state object
- *              *dest_desc          - Ptr to Descriptor into which selected Arg
- *                                    or Local value should be copied
+ *              dest_desc           - Where Arg or Local value is returned
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame
- *              at the current top of the method stack.
+ * DESCRIPTION: Retrieve value of selected Arg or Local for this method
  *              Used only in acpi_ex_resolve_to_value().
  *
  ******************************************************************************/
@@ -467,14 +447,16 @@ acpi_ds_method_data_get_value (
 		else switch (opcode) {
 		case AML_ARG_OP:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Uninitialized Arg[%d] at node %p\n",
 				index, node));
 
 			return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG);
 
 		case AML_LOCAL_OP:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Uninitialized Local[%d] at node %p\n",
 				index, node));
 
 			return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
@@ -506,12 +488,12 @@ acpi_ds_method_data_get_value (
  *
  * RETURN:      None
  *
- * DESCRIPTION: Delete the entry at Opcode:Index on the method stack.  Inserts
+ * DESCRIPTION: Delete the entry at Opcode:Index.  Inserts
  *              a null into the stack slot after the object is deleted.
  *
  ******************************************************************************/
 
-void
+static void
 acpi_ds_method_data_delete_value (
 	u16                             opcode,
 	u32                             index,
@@ -562,7 +544,7 @@ acpi_ds_method_data_delete_value (
  * FUNCTION:    acpi_ds_store_object_to_local
  *
  * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
- *              Index               - which local_var or argument to set
+ *              Index               - Which Local or Arg to set
  *              obj_desc            - Value to be stored
  *              walk_state          - Current walk state
  *
@@ -651,19 +633,20 @@ acpi_ds_store_object_to_local (
 		 */
 		if (opcode == AML_ARG_OP) {
 			/*
-			 * Make sure that the object is the correct type.  This may be overkill, but
-			 * it is here because references were NS nodes in the past.  Now they are
-			 * operand objects of type Reference.
+			 * Make sure that the object is the correct type.  This may be
+			 * overkill, butit is here because references were NS nodes in
+			 *  the past.  Now they are operand objects of type Reference.
 			 */
 			if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
-				ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: [%s]\n",
-						acpi_ut_get_descriptor_name (current_obj_desc)));
+				ACPI_REPORT_ERROR ((
+					"Invalid descriptor type while storing to method arg: [%s]\n",
+					acpi_ut_get_descriptor_name (current_obj_desc)));
 				return_ACPI_STATUS (AE_AML_INTERNAL);
 			}
 
 			/*
-			 * If we have a valid reference object that came from ref_of(), do the
-			 * indirect store
+			 * If we have a valid reference object that came from ref_of(),
+			 * do the indirect store
 			 */
 			if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
 				(current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
@@ -713,3 +696,55 @@ acpi_ds_store_object_to_local (
 }
 
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ds_method_data_get_type
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which Local or Arg whose type to get
+ *              walk_state          - Current walk state object
+ *
+ * RETURN:      Data type of current value of the selected Arg or Local
+ *
+ * DESCRIPTION: Get the type of the object stored in the Local or Arg
+ *
+ ******************************************************************************/
+
+acpi_object_type
+acpi_ds_method_data_get_type (
+	u16                             opcode,
+	u32                             index,
+	struct acpi_walk_state          *walk_state)
+{
+	acpi_status                     status;
+	struct acpi_namespace_node      *node;
+	union acpi_operand_object       *object;
+
+
+	ACPI_FUNCTION_TRACE ("ds_method_data_get_type");
+
+
+	/* Get the namespace node for the arg/local */
+
+	status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
+	if (ACPI_FAILURE (status)) {
+		return_VALUE ((ACPI_TYPE_NOT_FOUND));
+	}
+
+	/* Get the object */
+
+	object = acpi_ns_get_attached_object (node);
+	if (!object) {
+		/* Uninitialized local/arg, return TYPE_ANY */
+
+		return_VALUE (ACPI_TYPE_ANY);
+	}
+
+	/* Get the object type */
+
+	return_VALUE (ACPI_GET_OBJECT_TYPE (object));
+}
+#endif
+
+

drivers/acpi/dispatcher/dsobject.c

@@ -52,9 +52,15 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsobject")
 
+static acpi_status
+acpi_ds_build_internal_object (
+	struct acpi_walk_state          *walk_state,
+	union acpi_parse_object         *op,
+	union acpi_operand_object       **obj_desc_ptr);
+
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_build_internal_object
  *
@@ -67,9 +73,9 @@
  * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
  *              Simple objects are any objects other than a package object!
  *
- ****************************************************************************/
+ ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_build_internal_object (
 	struct acpi_walk_state          *walk_state,
 	union acpi_parse_object         *op,
@@ -90,9 +96,11 @@ acpi_ds_build_internal_object (
 		 * Otherwise, go ahead and look it up now
 		 */
 		if (!op->common.node) {
-			status = acpi_ns_lookup (walk_state->scope_info, op->common.value.string,
+			status = acpi_ns_lookup (walk_state->scope_info,
+					  op->common.value.string,
 					  ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
-					  ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
+					  ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+					  NULL,
 					  (struct acpi_namespace_node **) &(op->common.node));
 
 			if (ACPI_FAILURE (status)) {
@@ -104,12 +112,14 @@ acpi_ds_build_internal_object (
 
 	/* Create and init the internal ACPI object */
 
-	obj_desc = acpi_ut_create_internal_object ((acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type);
+	obj_desc = acpi_ut_create_internal_object (
+			 (acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type);
 	if (!obj_desc) {
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
-	status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode, &obj_desc);
+	status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode,
+			 &obj_desc);
 	if (ACPI_FAILURE (status)) {
 		acpi_ut_remove_reference (obj_desc);
 		return_ACPI_STATUS (status);
@@ -120,7 +130,7 @@ acpi_ds_build_internal_object (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_build_internal_buffer_obj
  *
@@ -134,7 +144,7 @@ acpi_ds_build_internal_object (
  * DESCRIPTION: Translate a parser Op package object to the equivalent
  *              namespace object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_build_internal_buffer_obj (
@@ -229,7 +239,7 @@ acpi_ds_build_internal_buffer_obj (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_build_internal_package_obj
  *
@@ -243,7 +253,7 @@ acpi_ds_build_internal_buffer_obj (
  * DESCRIPTION: Translate a parser Op package object to the equivalent
  *              namespace object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_build_internal_package_obj (
@@ -331,11 +341,12 @@ acpi_ds_build_internal_package_obj (
 		if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
 			/* Object (package or buffer) is already built */
 
-			obj_desc->package.elements[i] = ACPI_CAST_PTR (union acpi_operand_object, arg->common.node);
+			obj_desc->package.elements[i] =
+				ACPI_CAST_PTR (union acpi_operand_object, arg->common.node);
 		}
 		else {
 			status = acpi_ds_build_internal_object (walk_state, arg,
-					  &obj_desc->package.elements[i]);
+					 &obj_desc->package.elements[i]);
 		}
 
 		i++;
@@ -348,7 +359,7 @@ acpi_ds_build_internal_package_obj (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_create_node
  *
@@ -360,7 +371,7 @@ acpi_ds_build_internal_package_obj (
  *
  * DESCRIPTION: Create the object to be associated with a namespace node
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_create_node (
@@ -392,7 +403,8 @@ acpi_ds_create_node (
 
 	/* Build an internal object for the argument(s) */
 
-	status = acpi_ds_build_internal_object (walk_state, op->common.value.arg, &obj_desc);
+	status = acpi_ds_build_internal_object (walk_state, op->common.value.arg,
+			 &obj_desc);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -414,7 +426,7 @@ acpi_ds_create_node (
 #endif /* ACPI_NO_METHOD_EXECUTION */
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_init_object_from_op
  *
@@ -429,7 +441,7 @@ acpi_ds_create_node (
  *              associated arguments.  The namespace object is a more compact
  *              representation of the Op and its arguments.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_init_object_from_op (
@@ -462,7 +474,8 @@ acpi_ds_init_object_from_op (
 		/*
 		 * Defer evaluation of Buffer term_arg operand
 		 */
-		obj_desc->buffer.node     = (struct acpi_namespace_node *) walk_state->operands[0];
+		obj_desc->buffer.node     = (struct acpi_namespace_node *)
+				   walk_state->operands[0];
 		obj_desc->buffer.aml_start = op->named.data;
 		obj_desc->buffer.aml_length = op->named.length;
 		break;
@@ -473,7 +486,8 @@ acpi_ds_init_object_from_op (
 		/*
 		 * Defer evaluation of Package term_arg operand
 		 */
-		obj_desc->package.node     = (struct acpi_namespace_node *) walk_state->operands[0];
+		obj_desc->package.node     = (struct acpi_namespace_node *)
+				   walk_state->operands[0];
 		obj_desc->package.aml_start = op->named.data;
 		obj_desc->package.aml_length = op->named.length;
 		break;
@@ -486,9 +500,10 @@ acpi_ds_init_object_from_op (
 			/*
 			 * Resolve AML Constants here - AND ONLY HERE!
 			 * All constants are integers.
-			 * We mark the integer with a flag that indicates that it started life
-			 * as a constant -- so that stores to constants will perform as expected (noop).
-			 * (zero_op is used as a placeholder for optional target operands.)
+			 * We mark the integer with a flag that indicates that it started
+			 * life as a constant -- so that stores to constants will perform
+			 * as expected (noop). zero_op is used as a placeholder for optional
+			 * target operands.
 			 */
 			obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
 
@@ -521,7 +536,8 @@ acpi_ds_init_object_from_op (
 
 			default:
 
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown constant opcode %X\n", opcode));
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Unknown constant opcode %X\n", opcode));
 				status = AE_AML_OPERAND_TYPE;
 				break;
 			}
@@ -535,7 +551,8 @@ acpi_ds_init_object_from_op (
 
 
 		default:
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", op_info->type));
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n",
+				op_info->type));
 			status = AE_AML_OPERAND_TYPE;
 			break;
 		}
@@ -570,8 +587,10 @@ acpi_ds_init_object_from_op (
 			obj_desc->reference.offset = opcode - AML_LOCAL_OP;
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-			status = acpi_ds_method_data_get_node (AML_LOCAL_OP, obj_desc->reference.offset,
-					 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object);
+			status = acpi_ds_method_data_get_node (AML_LOCAL_OP,
+					 obj_desc->reference.offset,
+					 walk_state,
+					 (struct acpi_namespace_node **) &obj_desc->reference.object);
 #endif
 			break;
 
@@ -584,8 +603,10 @@ acpi_ds_init_object_from_op (
 			obj_desc->reference.offset = opcode - AML_ARG_OP;
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-			status = acpi_ds_method_data_get_node (AML_ARG_OP, obj_desc->reference.offset,
-					 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object);
+			status = acpi_ds_method_data_get_node (AML_ARG_OP,
+					 obj_desc->reference.offset,
+					 walk_state,
+					 (struct acpi_namespace_node **) &obj_desc->reference.object);
 #endif
 			break;
 

drivers/acpi/dispatcher/dsopcode.c

@@ -54,12 +54,31 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsopcode")
 
+/* Local prototypes */
 
-/*****************************************************************************
+static acpi_status
+acpi_ds_execute_arguments (
+	struct acpi_namespace_node      *node,
+	struct acpi_namespace_node      *scope_node,
+	u32                             aml_length,
+	u8                              *aml_start);
+
+static acpi_status
+acpi_ds_init_buffer_field (
+	u16                             aml_opcode,
+	union acpi_operand_object       *obj_desc,
+	union acpi_operand_object       *buffer_desc,
+	union acpi_operand_object       *offset_desc,
+	union acpi_operand_object       *length_desc,
+	union acpi_operand_object       *result_desc);
+
+
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_execute_arguments
  *
- * PARAMETERS:  Node                - Parent NS node
+ * PARAMETERS:  Node                - Object NS node
+ *              scope_node          - Parent NS node
  *              aml_length          - Length of executable AML
  *              aml_start           - Pointer to the AML
  *
@@ -67,9 +86,9 @@
  *
  * DESCRIPTION: Late (deferred) execution of region or field arguments
  *
- ****************************************************************************/
+ ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_execute_arguments (
 	struct acpi_namespace_node      *node,
 	struct acpi_namespace_node      *scope_node,
@@ -162,7 +181,7 @@ acpi_ds_execute_arguments (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_get_buffer_field_arguments
  *
@@ -173,7 +192,7 @@ acpi_ds_execute_arguments (
  * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
  *              evaluation of these field attributes.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_get_buffer_field_arguments (
@@ -208,7 +227,7 @@ acpi_ds_get_buffer_field_arguments (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_get_buffer_arguments
  *
@@ -219,7 +238,7 @@ acpi_ds_get_buffer_field_arguments (
  * DESCRIPTION: Get Buffer length and initializer byte list.  This implements
  *              the late evaluation of these attributes.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_get_buffer_arguments (
@@ -255,7 +274,7 @@ acpi_ds_get_buffer_arguments (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_get_package_arguments
  *
@@ -266,7 +285,7 @@ acpi_ds_get_buffer_arguments (
  * DESCRIPTION: Get Package length and initializer byte list.  This implements
  *              the late evaluation of these attributes.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_get_package_arguments (
@@ -353,17 +372,17 @@ acpi_ds_get_region_arguments (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_initialize_region
  *
- * PARAMETERS:  Op              - A valid region Op object
+ * PARAMETERS:  obj_handle      - Region namespace node
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Front end to ev_initialize_region
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_initialize_region (
@@ -382,7 +401,7 @@ acpi_ds_initialize_region (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_init_buffer_field
  *
@@ -390,16 +409,16 @@ acpi_ds_initialize_region (
  *              obj_desc        - buffer_field object
  *              buffer_desc     - Host Buffer
  *              offset_desc     - Offset into buffer
- *              Length          - Length of field (CREATE_FIELD_OP only)
- *              Result          - Where to store the result
+ *              length_desc     - Length of field (CREATE_FIELD_OP only)
+ *              result_desc     - Where to store the result
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Perform actual initialization of a buffer field
  *
- ****************************************************************************/
+ ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ds_init_buffer_field (
 	u16                             aml_opcode,
 	union acpi_operand_object       *obj_desc,
@@ -435,8 +454,10 @@ acpi_ds_init_buffer_field (
 	 * after resolution in acpi_ex_resolve_operands().
 	 */
 	if (ACPI_GET_DESCRIPTOR_TYPE (result_desc) != ACPI_DESC_TYPE_NAMED) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination not a NS Node [%s]\n",
-				acpi_ps_get_opcode_name (aml_opcode), acpi_ut_get_descriptor_name (result_desc)));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"(%s) destination not a NS Node [%s]\n",
+				acpi_ps_get_opcode_name (aml_opcode),
+				acpi_ut_get_descriptor_name (result_desc)));
 
 		status = AE_AML_OPERAND_TYPE;
 		goto cleanup;
@@ -452,9 +473,18 @@ acpi_ds_init_buffer_field (
 
 		/* Offset is in bits, count is in bits */
 
+		field_flags = AML_FIELD_ACCESS_BYTE;
 		bit_offset = offset;
 		bit_count  = (u32) length_desc->integer.value;
-		field_flags = AML_FIELD_ACCESS_BYTE;
+
+		/* Must have a valid (>0) bit count */
+
+		if (bit_count == 0) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Attempt to create_field of length 0\n"));
+			status = AE_AML_OPERAND_VALUE;
+			goto cleanup;
+		}
 		break;
 
 	case AML_CREATE_BIT_FIELD_OP:
@@ -527,7 +557,8 @@ acpi_ds_init_buffer_field (
 
 	/*
 	 * Initialize areas of the field object that are common to all fields
-	 * For field_flags, use LOCK_RULE = 0 (NO_LOCK), UPDATE_RULE = 0 (UPDATE_PRESERVE)
+	 * For field_flags, use LOCK_RULE = 0 (NO_LOCK),
+	 * UPDATE_RULE = 0 (UPDATE_PRESERVE)
 	 */
 	status = acpi_ex_prep_common_field_object (obj_desc, field_flags, 0,
 			  bit_offset, bit_count);
@@ -539,8 +570,8 @@ acpi_ds_init_buffer_field (
 
 	/* Reference count for buffer_desc inherits obj_desc count */
 
-	buffer_desc->common.reference_count = (u16) (buffer_desc->common.reference_count +
-			  obj_desc->common.reference_count);
+	buffer_desc->common.reference_count = (u16)
+		(buffer_desc->common.reference_count + obj_desc->common.reference_count);
 
 
 cleanup:
@@ -569,7 +600,7 @@ cleanup:
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_eval_buffer_field_operands
  *
@@ -581,7 +612,7 @@ cleanup:
  * DESCRIPTION: Get buffer_field Buffer and Index
  *              Called from acpi_ds_exec_end_op during buffer_field parse tree walk
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_eval_buffer_field_operands (
@@ -656,7 +687,7 @@ acpi_ds_eval_buffer_field_operands (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_eval_region_operands
  *
@@ -668,7 +699,7 @@ acpi_ds_eval_buffer_field_operands (
  * DESCRIPTION: Get region address and length
  *              Called from acpi_ds_exec_end_op during op_region parse tree walk
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_eval_region_operands (
@@ -686,7 +717,8 @@ acpi_ds_eval_region_operands (
 
 
 	/*
-	 * This is where we evaluate the address and length fields of the op_region declaration
+	 * This is where we evaluate the address and length fields of the
+	 * op_region declaration
 	 */
 	node =  op->common.node;
 
@@ -707,7 +739,8 @@ acpi_ds_eval_region_operands (
 
 	/* Resolve the length and address operands to numbers */
 
-	status = acpi_ex_resolve_operands (op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state);
+	status = acpi_ex_resolve_operands (op->common.aml_opcode,
+			 ACPI_WALK_OPERANDS, walk_state);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -736,7 +769,8 @@ acpi_ds_eval_region_operands (
 	 */
 	operand_desc = walk_state->operands[walk_state->num_operands - 2];
 
-	obj_desc->region.address = (acpi_physical_address) operand_desc->integer.value;
+	obj_desc->region.address = (acpi_physical_address)
+			  operand_desc->integer.value;
 	acpi_ut_remove_reference (operand_desc);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n",
@@ -752,7 +786,7 @@ acpi_ds_eval_region_operands (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ds_eval_data_object_operands
  *
@@ -765,7 +799,7 @@ acpi_ds_eval_region_operands (
  * DESCRIPTION: Get the operands and complete the following data object types:
  *              Buffer, Package.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ds_eval_data_object_operands (
@@ -830,7 +864,7 @@ acpi_ds_eval_data_object_operands (
 
 	if (ACPI_SUCCESS (status)) {
 		/*
-		 * Return the object in the walk_state, unless the parent is a package --
+		 * Return the object in the walk_state, unless the parent is a package -
 		 * in this case, the return object will be stored in the parse tree
 		 * for the package.
 		 */
@@ -988,7 +1022,8 @@ acpi_ds_exec_end_control_op (
 			status = AE_CTRL_PENDING;
 		}
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", op));
+		ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+			"[WHILE_OP] termination! Op=%p\n",op));
 
 		/* Pop this control state and free it */
 

drivers/acpi/dispatcher/dsutils.c

@@ -100,7 +100,6 @@ acpi_ds_clear_implicit_return (
 
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_do_implicit_return
@@ -205,7 +204,7 @@ acpi_ds_is_result_used (
 	 * NOTE: this is optional because the ASL language does not actually
 	 * support this behavior.
 	 */
-	acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE);
+	(void) acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE);
 
 	/*
 	 * Now determine if the parent will use the result
@@ -219,8 +218,9 @@ acpi_ds_is_result_used (
 		(op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
 		/* No parent, the return value cannot possibly be used */
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "At Method level, result of [%s] not used\n",
-				acpi_ps_get_opcode_name (op->common.aml_opcode)));
+		ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+			"At Method level, result of [%s] not used\n",
+			acpi_ps_get_opcode_name (op->common.aml_opcode)));
 		return_VALUE (FALSE);
 	}
 
@@ -228,7 +228,8 @@ acpi_ds_is_result_used (
 
 	parent_info = acpi_ps_get_opcode_info (op->common.parent->common.aml_opcode);
 	if (parent_info->class == AML_CLASS_UNKNOWN) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown parent opcode. Op=%p\n", op));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Unknown parent opcode. Op=%p\n", op));
 		return_VALUE (FALSE);
 	}
 
@@ -309,17 +310,19 @@ acpi_ds_is_result_used (
 
 
 result_used:
-	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] used by Parent [%s] Op=%p\n",
-			acpi_ps_get_opcode_name (op->common.aml_opcode),
-			acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
+	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+		"Result of [%s] used by Parent [%s] Op=%p\n",
+		acpi_ps_get_opcode_name (op->common.aml_opcode),
+		acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
 
 	return_VALUE (TRUE);
 
 
 result_not_used:
-	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] not used by Parent [%s] Op=%p\n",
-			acpi_ps_get_opcode_name (op->common.aml_opcode),
-			acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
+	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+		"Result of [%s] not used by Parent [%s] Op=%p\n",
+		acpi_ps_get_opcode_name (op->common.aml_opcode),
+		acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
 
 	return_VALUE (FALSE);
 }
@@ -522,7 +525,8 @@ acpi_ds_create_operand (
 		if ((walk_state->deferred_node) &&
 			(walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) &&
 			(arg_index != 0)) {
-			obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node);
+			obj_desc = ACPI_CAST_PTR (
+					 union acpi_operand_object, walk_state->deferred_node);
 			status = AE_OK;
 		}
 		else    /* All other opcodes */ {
@@ -565,7 +569,8 @@ acpi_ds_create_operand (
 					 * indicate this to the interpreter, set the
 					 * object to the root
 					 */
-					obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
+					obj_desc = ACPI_CAST_PTR (
+							 union acpi_operand_object, acpi_gbl_root_node);
 					status = AE_OK;
 				}
 				else {
@@ -612,7 +617,8 @@ acpi_ds_create_operand (
 			 */
 			opcode = AML_ZERO_OP;       /* Has no arguments! */
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg));
+			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+				"Null namepath: Arg=%p\n", arg));
 		}
 		else {
 			opcode = arg->common.aml_opcode;
@@ -642,7 +648,8 @@ acpi_ds_create_operand (
 				 * Only error is underflow, and this indicates
 				 * a missing or null operand!
 				 */
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Missing or null operand, %s\n",
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Missing or null operand, %s\n",
 					acpi_format_exception (status)));
 				return_ACPI_STATUS (status);
 			}
@@ -657,8 +664,8 @@ acpi_ds_create_operand (
 
 			/* Initialize the new object */
 
-			status = acpi_ds_init_object_from_op (walk_state, arg,
-					 opcode, &obj_desc);
+			status = acpi_ds_init_object_from_op (
+					 walk_state, arg, opcode, &obj_desc);
 			if (ACPI_FAILURE (status)) {
 				acpi_ut_delete_object_desc (obj_desc);
 				return_ACPI_STATUS (status);

drivers/acpi/dispatcher/dswexec.c

@@ -73,11 +73,13 @@ static ACPI_EXECUTE_OP      acpi_gbl_op_type_dispatch [] = {
 			  acpi_ex_opcode_3A_1T_1R,
 			  acpi_ex_opcode_6A_0T_1R};
 
+
 /*****************************************************************************
  *
  * FUNCTION:    acpi_ds_get_predicate_value
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
+ *              result_obj      - if non-zero, pop result from result stack
  *
  * RETURN:      Status
  *
@@ -124,7 +126,8 @@ acpi_ds_get_predicate_value (
 	}
 
 	if (!obj_desc) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No predicate obj_desc=%p State=%p\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"No predicate obj_desc=%p State=%p\n",
 			obj_desc, walk_state));
 
 		return_ACPI_STATUS (AE_AML_NO_OPERAND);
@@ -197,7 +200,7 @@ cleanup:
  * FUNCTION:    acpi_ds_exec_begin_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              out_op          - Return op if a new one is created
+ *              out_op          - Where to return op if a new one is created
  *
  * RETURN:      Status
  *
@@ -233,7 +236,8 @@ acpi_ds_exec_begin_op (
 		walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
 
 		if (acpi_ns_opens_scope (walk_state->op_info->object_type)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+				"(%s) Popping scope for Op %p\n",
 				acpi_ut_get_type_name (walk_state->op_info->object_type), op));
 
 			status = acpi_ds_scope_stack_pop (walk_state);
@@ -297,11 +301,10 @@ acpi_ds_exec_begin_op (
 
 		if (walk_state->walk_type == ACPI_WALK_METHOD) {
 			/*
-			 * Found a named object declaration during method
-			 * execution;  we must enter this object into the
-			 * namespace.  The created object is temporary and
-			 * will be deleted upon completion of the execution
-			 * of this method.
+			 * Found a named object declaration during method execution;
+			 * we must enter this object into the namespace.  The created
+			 * object is temporary and will be deleted upon completion of
+			 * the execution of this method.
 			 */
 			status = acpi_ds_load2_begin_op (walk_state, NULL);
 		}
@@ -338,8 +341,6 @@ acpi_ds_exec_begin_op (
  * FUNCTION:    acpi_ds_exec_end_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              Op              - Op that has been just been completed in the
- *                                walk;  Arguments have now been evaluated.
  *
  * RETURN:      Status
  *
@@ -389,7 +390,7 @@ acpi_ds_exec_end_op (
 	/* Decode the Opcode Class */
 
 	switch (op_class) {
-	case AML_CLASS_ARGUMENT:    /* constants, literals, etc. -- do nothing */
+	case AML_CLASS_ARGUMENT:    /* constants, literals, etc. - do nothing */
 		break;
 
 
@@ -417,12 +418,12 @@ acpi_ds_exec_end_op (
 			/* Resolve all operands */
 
 			status = acpi_ex_resolve_operands (walk_state->opcode,
-					  &(walk_state->operands [walk_state->num_operands -1]),
-					  walk_state);
+					 &(walk_state->operands [walk_state->num_operands -1]),
+					 walk_state);
 			if (ACPI_SUCCESS (status)) {
 				ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
-						  acpi_ps_get_opcode_name (walk_state->opcode),
-						  walk_state->num_operands, "after ex_resolve_operands");
+					acpi_ps_get_opcode_name (walk_state->opcode),
+					walk_state->num_operands, "after ex_resolve_operands");
 			}
 		}
 
@@ -506,7 +507,8 @@ acpi_ds_exec_end_op (
 			if ((op->asl.parent) &&
 			   ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP) ||
 				(op->asl.parent->asl.aml_opcode == AML_VAR_PACKAGE_OP))) {
-				ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method Reference in a Package, Op=%p\n", op));
+				ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+					"Method Reference in a Package, Op=%p\n", op));
 				op->common.node = (struct acpi_namespace_node *) op->asl.value.arg->asl.node->object;
 				acpi_ut_add_reference (op->asl.value.arg->asl.node->object);
 				return_ACPI_STATUS (AE_OK);
@@ -583,13 +585,15 @@ acpi_ds_exec_end_op (
 			case AML_NAME_OP:
 
 				/*
-				 * Put the Node on the object stack (Contains the ACPI Name of
-				 * this object)
+				 * Put the Node on the object stack (Contains the ACPI Name
+				 * of this object)
 				 */
 				walk_state->operands[0] = (void *) op->common.parent->common.node;
 				walk_state->num_operands = 1;
 
-				status = acpi_ds_create_node (walk_state, op->common.parent->common.node, op->common.parent);
+				status = acpi_ds_create_node (walk_state,
+						 op->common.parent->common.node,
+						 op->common.parent);
 				if (ACPI_FAILURE (status)) {
 					break;
 				}
@@ -600,7 +604,7 @@ acpi_ds_exec_end_op (
 			case AML_INT_EVAL_SUBTREE_OP:
 
 				status = acpi_ds_eval_data_object_operands (walk_state, op,
-						  acpi_ns_get_attached_object (op->common.parent->common.node));
+						 acpi_ns_get_attached_object (op->common.parent->common.node));
 				break;
 
 			default:
@@ -609,7 +613,7 @@ acpi_ds_exec_end_op (
 				break;
 			}
 
-			/* Done with this result state (Now that operand stack is built) */
+			/* Done with result state (Now that operand stack is built) */
 
 			status = acpi_ds_result_stack_pop (walk_state);
 			if (ACPI_FAILURE (status)) {
@@ -620,8 +624,7 @@ acpi_ds_exec_end_op (
 			 * If a result object was returned from above, push it on the
 			 * current result stack
 			 */
-			if (ACPI_SUCCESS (status) &&
-				walk_state->result_obj) {
+			if (walk_state->result_obj) {
 				status = acpi_ds_result_push (walk_state->result_obj, walk_state);
 			}
 			break;
@@ -654,7 +657,8 @@ acpi_ds_exec_end_op (
 
 		case AML_TYPE_UNDEFINED:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Undefined opcode type Op=%p\n", op));
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Undefined opcode type Op=%p\n", op));
 			return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
 
 
@@ -709,13 +713,14 @@ cleanup:
 		status = acpi_gbl_exception_handler (status,
 				 walk_state->method_node->name.integer, walk_state->opcode,
 				 walk_state->aml_offset, NULL);
-		acpi_ex_enter_interpreter ();
+		(void) acpi_ex_enter_interpreter ();
 	}
 
 	if (walk_state->result_obj) {
 		/* Break to debugger to display result */
 
-		ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj, walk_state));
+		ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj,
+				 walk_state));
 
 		/*
 		 * Delete the result op if and only if:

drivers/acpi/dispatcher/dswload.c

@@ -79,20 +79,23 @@ acpi_ds_init_callbacks (
 
 	switch (pass_number) {
 	case 1:
-		walk_state->parse_flags       = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
+		walk_state->parse_flags       = ACPI_PARSE_LOAD_PASS1 |
+				   ACPI_PARSE_DELETE_TREE;
 		walk_state->descending_callback = acpi_ds_load1_begin_op;
 		walk_state->ascending_callback = acpi_ds_load1_end_op;
 		break;
 
 	case 2:
-		walk_state->parse_flags       = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
+		walk_state->parse_flags       = ACPI_PARSE_LOAD_PASS1 |
+				   ACPI_PARSE_DELETE_TREE;
 		walk_state->descending_callback = acpi_ds_load2_begin_op;
 		walk_state->ascending_callback = acpi_ds_load2_end_op;
 		break;
 
 	case 3:
 #ifndef ACPI_NO_METHOD_EXECUTION
-		walk_state->parse_flags      |= ACPI_PARSE_EXECUTE  | ACPI_PARSE_DELETE_TREE;
+		walk_state->parse_flags      |= ACPI_PARSE_EXECUTE  |
+				   ACPI_PARSE_DELETE_TREE;
 		walk_state->descending_callback = acpi_ds_exec_begin_op;
 		walk_state->ascending_callback = acpi_ds_exec_end_op;
 #endif
@@ -111,8 +114,7 @@ acpi_ds_init_callbacks (
  * FUNCTION:    acpi_ds_load1_begin_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              Op              - Op that has been just been reached in the
- *                                walk;  Arguments have not been evaluated yet.
+ *              out_op          - Where to return op if a new one is created
  *
  * RETURN:      Status
  *
@@ -146,7 +148,8 @@ acpi_ds_load1_begin_op (
 #if 0
 			if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
 				(walk_state->op_info->class == AML_CLASS_CONTROL)) {
-				acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n", walk_state->op_info->name);
+				acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n",
+					walk_state->op_info->name);
 				*out_op = op;
 				return (AE_CTRL_SKIP);
 			}
@@ -191,7 +194,8 @@ acpi_ds_load1_begin_op (
 			 */
 			acpi_dm_add_to_external_list (path);
 			status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
-					   ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
+					   ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT,
+					   walk_state, &(node));
 		}
 #endif
 		if (ACPI_FAILURE (status)) {
@@ -224,10 +228,12 @@ acpi_ds_load1_begin_op (
 			 *  Name (DEB, 0)
 			 *  Scope (DEB) { ... }
 			 *
-			 * Note: silently change the type here.  On the second pass, we will report a warning
+			 * Note: silently change the type here.  On the second pass, we will report
+			 * a warning
 			 */
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+				"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
 				path, acpi_ut_get_type_name (node->type)));
 
 			node->type = ACPI_TYPE_ANY;
@@ -238,7 +244,8 @@ acpi_ds_load1_begin_op (
 
 			/* All other types are an error */
 
-			ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n",
+			ACPI_REPORT_ERROR ((
+				"Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n",
 				acpi_ut_get_type_name (node->type), path));
 
 			return (AE_AML_OPERAND_TYPE);
@@ -249,7 +256,8 @@ acpi_ds_load1_begin_op (
 	default:
 
 		/*
-		 * For all other named opcodes, we will enter the name into the namespace.
+		 * For all other named opcodes, we will enter the name into
+		 * the namespace.
 		 *
 		 * Setup the search flags.
 		 * Since we are entering a name into the namespace, we do not want to
@@ -279,14 +287,16 @@ acpi_ds_load1_begin_op (
 					acpi_ut_get_type_name (object_type)));
 		}
 		else {
-			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[%s] Both Find or Create allowed\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+				"[%s] Both Find or Create allowed\n",
 					acpi_ut_get_type_name (object_type)));
 		}
 
 		/*
 		 * Enter the named type into the internal namespace.  We enter the name
-		 * as we go downward in the parse tree.  Any necessary subobjects that involve
-		 * arguments to the opcode must be created as we go back up the parse tree later.
+		 * as we go downward in the parse tree.  Any necessary subobjects that
+		 * involve arguments to the opcode must be created as we go back up the
+		 * parse tree later.
 		 */
 		status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
 				  ACPI_IMODE_LOAD_PASS1, flags, walk_state, &(node));
@@ -335,8 +345,6 @@ acpi_ds_load1_begin_op (
  * FUNCTION:    acpi_ds_load1_end_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              Op              - Op that has been just been completed in the
- *                                walk;  Arguments have now been evaluated.
  *
  * RETURN:      Status
  *
@@ -383,7 +391,9 @@ acpi_ds_load1_end_op (
 
 	if (op->common.aml_opcode == AML_REGION_OP) {
 		status = acpi_ex_create_region (op->named.data, op->named.length,
-				   (acpi_adr_space_type) ((op->common.value.arg)->common.value.integer), walk_state);
+				   (acpi_adr_space_type)
+						 ((op->common.value.arg)->common.value.integer),
+						 walk_state);
 		if (ACPI_FAILURE (status)) {
 			return (status);
 		}
@@ -394,7 +404,8 @@ acpi_ds_load1_end_op (
 		/* For Name opcode, get the object type from the argument */
 
 		if (op->common.value.arg) {
-			object_type = (acpi_ps_get_opcode_info ((op->common.value.arg)->common.aml_opcode))->object_type;
+			object_type = (acpi_ps_get_opcode_info (
+				(op->common.value.arg)->common.aml_opcode))->object_type;
 			op->common.node->type = (u8) object_type;
 		}
 	}
@@ -448,8 +459,7 @@ acpi_ds_load1_end_op (
  * FUNCTION:    acpi_ds_load2_begin_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              Op              - Op that has been just been reached in the
- *                                walk;  Arguments have not been evaluated yet.
+ *              out_op          - Wher to return op if a new one is created
  *
  * RETURN:      Status
  *
@@ -478,14 +488,20 @@ acpi_ds_load2_begin_op (
 	if (op) {
 		/* We only care about Namespace opcodes here */
 
-		if ((!(walk_state->op_info->flags & AML_NSOPCODE) && (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
+		if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
+			  (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
 			(!(walk_state->op_info->flags & AML_NAMED))) {
+			if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
+				(walk_state->op_info->class == AML_CLASS_CONTROL)) {
+				ACPI_REPORT_WARNING ((
+					"Encountered executable code at module level, [%s]\n",
+					acpi_ps_get_opcode_name (walk_state->opcode)));
+			}
 			return_ACPI_STATUS (AE_OK);
 		}
 
-		/*
-		 * Get the name we are going to enter or lookup in the namespace
-		 */
+		/* Get the name we are going to enter or lookup in the namespace */
+
 		if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
 			/* For Namepath op, get the path string */
 
@@ -528,21 +544,25 @@ acpi_ds_load2_begin_op (
 	case AML_INT_NAMEPATH_OP:
 
 		/*
-		 * The name_path is an object reference to an existing object. Don't enter the
-		 * name into the namespace, but look it up for use later
+		 * The name_path is an object reference to an existing object.
+		 * Don't enter the name into the namespace, but look it up
+		 * for use later.
 		 */
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
-				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
+				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+				  walk_state, &(node));
 		break;
 
 	case AML_SCOPE_OP:
 
 		/*
-		 * The Path is an object reference to an existing object.  Don't enter the
-		 * name into the namespace, but look it up for use later
+		 * The Path is an object reference to an existing object.
+		 * Don't enter the name into the namespace, but look it up
+		 * for use later.
 		 */
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
-				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
+				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
+				  walk_state, &(node));
 		if (ACPI_FAILURE (status)) {
 #ifdef _ACPI_ASL_COMPILER
 			if (status == AE_NOT_FOUND) {
@@ -582,7 +602,8 @@ acpi_ds_load2_begin_op (
 			 *  Scope (DEB) { ... }
 			 */
 
-			ACPI_REPORT_WARNING (("Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
+			ACPI_REPORT_WARNING ((
+				"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
 				buffer_ptr, acpi_ut_get_type_name (node->type)));
 
 			node->type = ACPI_TYPE_ANY;
@@ -593,7 +614,8 @@ acpi_ds_load2_begin_op (
 
 			/* All other types are an error */
 
-			ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s]\n",
+			ACPI_REPORT_ERROR ((
+				"Invalid type (%s) for target of Scope operator [%4.4s]\n",
 				acpi_ut_get_type_name (node->type), buffer_ptr));
 
 			return (AE_AML_OPERAND_TYPE);
@@ -621,8 +643,9 @@ acpi_ds_load2_begin_op (
 
 		/*
 		 * Enter the named type into the internal namespace.  We enter the name
-		 * as we go downward in the parse tree.  Any necessary subobjects that involve
-		 * arguments to the opcode must be created as we go back up the parse tree later.
+		 * as we go downward in the parse tree.  Any necessary subobjects that
+		 * involve arguments to the opcode must be created as we go back up the
+		 * parse tree later.
 		 *
 		 * Note: Name may already exist if we are executing a deferred opcode.
 		 */
@@ -635,7 +658,8 @@ acpi_ds_load2_begin_op (
 		}
 
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
-				  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, walk_state, &(node));
+				  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH,
+				  walk_state, &(node));
 		break;
 	}
 
@@ -678,8 +702,6 @@ acpi_ds_load2_begin_op (
  * FUNCTION:    acpi_ds_load2_end_op
  *
  * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              Op              - Op that has been just been completed in the
- *                                walk;  Arguments have now been evaluated.
  *
  * RETURN:      Status
  *
@@ -738,7 +760,8 @@ acpi_ds_load2_end_op (
 
 	/* Pop the scope stack */
 
-	if (acpi_ns_opens_scope (object_type) && (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
+	if (acpi_ns_opens_scope (object_type) &&
+	   (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
 			acpi_ut_get_type_name (object_type), op));
 
@@ -803,7 +826,7 @@ acpi_ds_load2_end_op (
 		case AML_INDEX_FIELD_OP:
 
 			status = acpi_ds_create_index_field (op, (acpi_handle) arg->common.node,
-					   walk_state);
+					 walk_state);
 			break;
 
 		case AML_BANK_FIELD_OP:
@@ -884,14 +907,16 @@ acpi_ds_load2_end_op (
 #ifndef ACPI_NO_METHOD_EXECUTION
 		case AML_REGION_OP:
 			/*
-			 * The op_region is not fully parsed at this time. Only valid argument is the space_id.
-			 * (We must save the address of the AML of the address and length operands)
+			 * The op_region is not fully parsed at this time. Only valid
+			 * argument is the space_id. (We must save the address of the
+			 * AML of the address and length operands)
 			 */
 			/*
 			 * If we have a valid region, initialize it
 			 * Namespace is NOT locked at this point.
 			 */
-			status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node), FALSE);
+			status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node),
+					 FALSE);
 			if (ACPI_FAILURE (status)) {
 				/*
 				 *  If AE_NOT_EXIST is returned, it is not fatal
@@ -942,15 +967,16 @@ acpi_ds_load2_end_op (
 		if (ACPI_SUCCESS (status)) {
 			/*
 			 * Make sure that what we found is indeed a method
-			 * We didn't search for a method on purpose, to see if the name would resolve
+			 * We didn't search for a method on purpose, to see if the name
+			 * would resolve
 			 */
 			if (new_node->type != ACPI_TYPE_METHOD) {
 				status = AE_AML_OPERAND_TYPE;
 			}
 
-			/* We could put the returned object (Node) on the object stack for later, but
-			 * for now, we will put it in the "op" object that the parser uses, so we
-			 * can get it again at the end of this scope
+			/* We could put the returned object (Node) on the object stack for
+			 * later, but for now, we will put it in the "op" object that the
+			 * parser uses, so we can get it again at the end of this scope
 			 */
 			op->common.node = new_node;
 		}

drivers/acpi/dispatcher/dswscope.c

@@ -50,14 +50,13 @@
 	 ACPI_MODULE_NAME    ("dswscope")
 
 
-#define STACK_POP(head) head
-
-
 /****************************************************************************
  *
  * FUNCTION:    acpi_ds_scope_stack_clear
  *
- * PARAMETERS:  None
+ * PARAMETERS:  walk_state      - Current state
+ *
+ * RETURN:      None
  *
  * DESCRIPTION: Pop (and free) everything on the scope stack except the
  *              root scope object (which remains at the stack top.)
@@ -80,7 +79,8 @@ acpi_ds_scope_stack_clear (
 		walk_state->scope_info = scope_info->scope.next;
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-			"Popped object type (%s)\n", acpi_ut_get_type_name (scope_info->common.value)));
+			"Popped object type (%s)\n",
+			acpi_ut_get_type_name (scope_info->common.value)));
 		acpi_ut_delete_generic_state (scope_info);
 	}
 }
@@ -90,8 +90,11 @@ acpi_ds_scope_stack_clear (
  *
  * FUNCTION:    acpi_ds_scope_stack_push
  *
- * PARAMETERS:  *Node,              - Name to be made current
- *              Type,               - Type of frame being pushed
+ * PARAMETERS:  Node            - Name to be made current
+ *              Type            - Type of frame being pushed
+ *              walk_state      - Current state
+ *
+ * RETURN:      Status
  *
  * DESCRIPTION: Push the current scope on the scope stack, and make the
  *              passed Node current.
@@ -121,7 +124,8 @@ acpi_ds_scope_stack_push (
 	/* Make sure object type is valid */
 
 	if (!acpi_ut_valid_object_type (type)) {
-		ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type));
+		ACPI_REPORT_WARNING ((
+			"ds_scope_stack_push: Invalid object type: 0x%X\n", type));
 	}
 
 	/* Allocate a new scope object */
@@ -170,16 +174,11 @@ acpi_ds_scope_stack_push (
  *
  * FUNCTION:    acpi_ds_scope_stack_pop
  *
- * PARAMETERS:  Type                - The type of frame to be found
+ * PARAMETERS:  walk_state      - Current state
  *
- * DESCRIPTION: Pop the scope stack until a frame of the requested type
- *              is found.
+ * RETURN:      Status
  *
- * RETURN:      Count of frames popped.  If no frame of the requested type
- *              was found, the count is returned as a negative number and
- *              the scope stack is emptied (which sets the current scope
- *              to the root).  If the scope stack was empty at entry, the
- *              function is a no-op and returns 0.
+ * DESCRIPTION: Pop the scope stack once.
  *
  ***************************************************************************/
 

drivers/acpi/dispatcher/dswstate.c

@@ -50,67 +50,31 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dswstate")
 
+/* Local prototypes */
 
-#ifdef ACPI_FUTURE_USAGE
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_result_insert
- *
- * PARAMETERS:  Object              - Object to push
- *              Index               - Where to insert the object
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Insert an object onto this walk's result stack
- *
- ******************************************************************************/
-
+#ifdef ACPI_OBSOLETE_FUNCTIONS
 acpi_status
 acpi_ds_result_insert (
 	void                            *object,
 	u32                             index,
-	struct acpi_walk_state          *walk_state)
-{
-	union acpi_generic_state        *state;
-
+	struct acpi_walk_state          *walk_state);
 
-	ACPI_FUNCTION_NAME ("ds_result_insert");
-
-
-	state = walk_state->results;
-	if (!state) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
-			walk_state));
-		return (AE_NOT_EXIST);
-	}
-
-	if (index >= ACPI_OBJ_NUM_OPERANDS) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Index out of range: %X Obj=%p State=%p Num=%X\n",
-			index, object, walk_state, state->results.num_results));
-		return (AE_BAD_PARAMETER);
-	}
-
-	if (!object) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Null Object! Index=%X Obj=%p State=%p Num=%X\n",
-			index, object, walk_state, state->results.num_results));
-		return (AE_BAD_PARAMETER);
-	}
-
-	state->results.obj_desc [index] = object;
-	state->results.num_results++;
+acpi_status
+acpi_ds_obj_stack_delete_all (
+	struct acpi_walk_state          *walk_state);
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-		"Obj=%p [%s] State=%p Num=%X Cur=%X\n",
-		object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL",
-		walk_state, state->results.num_results, walk_state->current_result));
+acpi_status
+acpi_ds_obj_stack_pop_object (
+	union acpi_operand_object       **object,
+	struct acpi_walk_state          *walk_state);
 
-	return (AE_OK);
-}
+void *
+acpi_ds_obj_stack_get_value (
+	u32                             index,
+	struct acpi_walk_state          *walk_state);
+#endif
 
+#ifdef ACPI_FUTURE_USAGE
 
 /*******************************************************************************
  *
@@ -178,7 +142,6 @@ acpi_ds_result_remove (
 
 #endif  /*  ACPI_FUTURE_USAGE  */
 
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_result_pop
@@ -227,15 +190,18 @@ acpi_ds_result_pop (
 			*object = state->results.obj_desc [index -1];
 			state->results.obj_desc [index -1] = NULL;
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n",
-				*object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
+			ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+				"Obj=%p [%s] Index=%X State=%p Num=%X\n",
+				*object,
+				(*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
 				(u32) index -1, walk_state, state->results.num_results));
 
 			return (AE_OK);
 		}
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state));
+	ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+		"No result objects! State=%p\n", walk_state));
 	return (AE_AML_NO_RETURN_VALUE);
 }
 
@@ -274,7 +240,8 @@ acpi_ds_result_pop_from_bottom (
 	}
 
 	if (!state->results.num_results) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n",
+			walk_state));
 		return (AE_AML_NO_RETURN_VALUE);
 	}
 
@@ -293,7 +260,8 @@ acpi_ds_result_pop_from_bottom (
 	/* Check for a valid result object */
 
 	if (!*object) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null operand! State=%p #Ops=%X, Index=%X\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Null operand! State=%p #Ops=%X, Index=%X\n",
 			walk_state, state->results.num_results, (u32) index));
 		return (AE_AML_NO_RETURN_VALUE);
 	}
@@ -344,7 +312,8 @@ acpi_ds_result_push (
 	}
 
 	if (!object) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Object! Obj=%p State=%p Num=%X\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Null Object! Obj=%p State=%p Num=%X\n",
 			object, walk_state, state->results.num_results));
 		return (AE_BAD_PARAMETER);
 	}
@@ -437,43 +406,6 @@ acpi_ds_result_stack_pop (
 }
 
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_delete_all
- *
- * PARAMETERS:  walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
- *              Should be used with great care, if at all!
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ds_obj_stack_delete_all (
-	struct acpi_walk_state          *walk_state)
-{
-	u32                             i;
-
-
-	ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state);
-
-
-	/* The stack size is configurable, but fixed */
-
-	for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
-		if (walk_state->operands[i]) {
-			acpi_ut_remove_reference (walk_state->operands[i]);
-			walk_state->operands[i] = NULL;
-		}
-	}
-
-	return_ACPI_STATUS (AE_OK);
-}
-#endif  /*  ACPI_FUTURE_USAGE  */
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_obj_stack_push
@@ -517,67 +449,6 @@ acpi_ds_obj_stack_push (
 }
 
 
-#if 0
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_pop_object
- *
- * PARAMETERS:  pop_count           - Number of objects/entries to pop
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
- *              deleted by this routine.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_obj_stack_pop_object (
-	union acpi_operand_object       **object,
-	struct acpi_walk_state          *walk_state)
-{
-	ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object");
-
-
-	/* Check for stack underflow */
-
-	if (walk_state->num_operands == 0) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Missing operand/stack empty! State=%p #Ops=%X\n",
-			walk_state, walk_state->num_operands));
-		*object = NULL;
-		return (AE_AML_NO_OPERAND);
-	}
-
-	/* Pop the stack */
-
-	walk_state->num_operands--;
-
-	/* Check for a valid operand */
-
-	if (!walk_state->operands [walk_state->num_operands]) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Null operand! State=%p #Ops=%X\n",
-			walk_state, walk_state->num_operands));
-		*object = NULL;
-		return (AE_AML_NO_OPERAND);
-	}
-
-	/* Get operand and set stack entry to null */
-
-	*object = walk_state->operands [walk_state->num_operands];
-	walk_state->operands [walk_state->num_operands] = NULL;
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
-			  *object, acpi_ut_get_object_type_name (*object),
-			  walk_state, walk_state->num_operands));
-
-	return (AE_OK);
-}
-#endif
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_obj_stack_pop
@@ -678,48 +549,6 @@ acpi_ds_obj_stack_pop_and_delete (
 }
 
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_get_value
- *
- * PARAMETERS:  Index               - Stack index whose value is desired.  Based
- *                                    on the top of the stack (index=0 == top)
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Retrieve an object from this walk's object stack.  Index must
- *              be within the range of the current stack pointer.
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-void *
-acpi_ds_obj_stack_get_value (
-	u32                             index,
-	struct acpi_walk_state          *walk_state)
-{
-
-	ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state);
-
-
-	/* Can't do it if the stack is empty */
-
-	if (walk_state->num_operands == 0) {
-		return_PTR (NULL);
-	}
-
-	/* or if the index is past the top of the stack */
-
-	if (index > (walk_state->num_operands - (u32) 1)) {
-		return_PTR (NULL);
-	}
-
-	return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) -
-			  index]);
-}
-#endif  /*  ACPI_FUTURE_USAGE  */
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_get_current_walk_state
@@ -757,11 +586,11 @@ acpi_ds_get_current_walk_state (
  * FUNCTION:    acpi_ds_push_walk_state
  *
  * PARAMETERS:  walk_state      - State to push
- *              walk_list       - The list that owns the walk stack
+ *              Thread          - Thread state object
  *
  * RETURN:      None
  *
- * DESCRIPTION: Place the walk_state at the head of the state list.
+ * DESCRIPTION: Place the Thread state at the head of the state list.
  *
  ******************************************************************************/
 
@@ -784,9 +613,9 @@ acpi_ds_push_walk_state (
  *
  * FUNCTION:    acpi_ds_pop_walk_state
  *
- * PARAMETERS:  walk_list       - The list that owns the walk stack
+ * PARAMETERS:  Thread      - Current thread state
  *
- * RETURN:      A walk_state object popped from the stack
+ * RETURN:      A walk_state object popped from the thread's stack
  *
  * DESCRIPTION: Remove and return the walkstate object that is at the head of
  *              the walk stack for the given walk list.  NULL indicates that
@@ -814,7 +643,7 @@ acpi_ds_pop_walk_state (
 		/*
 		 * Don't clear the NEXT field, this serves as an indicator
 		 * that there is a parent WALK STATE
-		 *     NO: walk_state->Next = NULL;
+		 * Do Not: walk_state->Next = NULL;
 		 */
 	}
 
@@ -826,7 +655,9 @@ acpi_ds_pop_walk_state (
  *
  * FUNCTION:    acpi_ds_create_walk_state
  *
- * PARAMETERS:  Origin          - Starting point for this walk
+ * PARAMETERS:  owner_id        - ID for object creation
+ *              Origin          - Starting point for this walk
+ *              mth_desc        - Method object
  *              Thread          - Current thread state
  *
  * RETURN:      Pointer to the new walk state.
@@ -896,8 +727,7 @@ acpi_ds_create_walk_state (
  *              method_node     - Control method NS node, if any
  *              aml_start       - Start of AML
  *              aml_length      - Length of AML
- *              Params          - Method args, if any
- *              return_obj_desc - Where to store a return object, if any
+ *              Info            - Method info block (params, etc.)
  *              pass_number     - 1, 2, or 3
  *
  * RETURN:      Status
@@ -931,7 +761,7 @@ acpi_ds_init_aml_walk (
 
 	/* The next_op of the next_walk will be the beginning of the method */
 
-	walk_state->next_op             = NULL;
+	walk_state->next_op = NULL;
 
 	if (info) {
 		if (info->parameter_type == ACPI_PARAM_GPE) {
@@ -939,8 +769,8 @@ acpi_ds_init_aml_walk (
 					   info->parameters);
 		}
 		else {
-			walk_state->params              = info->parameters;
-			walk_state->caller_return_desc  = &info->return_object;
+			walk_state->params          = info->parameters;
+			walk_state->caller_return_desc = &info->return_object;
 		}
 	}
 
@@ -964,7 +794,8 @@ acpi_ds_init_aml_walk (
 
 		/* Init the method arguments */
 
-		status = acpi_ds_method_data_init_args (walk_state->params, ACPI_METHOD_NUM_ARGS, walk_state);
+		status = acpi_ds_method_data_init_args (walk_state->params,
+				 ACPI_METHOD_NUM_ARGS, walk_state);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -1031,12 +862,14 @@ acpi_ds_delete_walk_state (
 	}
 
 	if (walk_state->data_type != ACPI_DESC_TYPE_WALK) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", walk_state));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n",
+			walk_state));
 		return;
 	}
 
 	if (walk_state->parser_state.scope) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", walk_state));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n",
+			walk_state));
 	}
 
 	/* Always must free any linked control states */
@@ -1078,7 +911,7 @@ acpi_ds_delete_walk_state (
  *
  * PARAMETERS:  None
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Purge the global state object cache.  Used during subsystem
  *              termination.
@@ -1098,3 +931,200 @@ acpi_ds_delete_walk_state_cache (
 #endif
 
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ds_result_insert
+ *
+ * PARAMETERS:  Object              - Object to push
+ *              Index               - Where to insert the object
+ *              walk_state          - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Insert an object onto this walk's result stack
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_result_insert (
+	void                            *object,
+	u32                             index,
+	struct acpi_walk_state          *walk_state)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_NAME ("ds_result_insert");
+
+
+	state = walk_state->results;
+	if (!state) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
+			walk_state));
+		return (AE_NOT_EXIST);
+	}
+
+	if (index >= ACPI_OBJ_NUM_OPERANDS) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Index out of range: %X Obj=%p State=%p Num=%X\n",
+			index, object, walk_state, state->results.num_results));
+		return (AE_BAD_PARAMETER);
+	}
+
+	if (!object) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Null Object! Index=%X Obj=%p State=%p Num=%X\n",
+			index, object, walk_state, state->results.num_results));
+		return (AE_BAD_PARAMETER);
+	}
+
+	state->results.obj_desc [index] = object;
+	state->results.num_results++;
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+		"Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+		object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL",
+		walk_state, state->results.num_results, walk_state->current_result));
+
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ds_obj_stack_delete_all
+ *
+ * PARAMETERS:  walk_state          - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
+ *              Should be used with great care, if at all!
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_obj_stack_delete_all (
+	struct acpi_walk_state          *walk_state)
+{
+	u32                             i;
+
+
+	ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state);
+
+
+	/* The stack size is configurable, but fixed */
+
+	for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
+		if (walk_state->operands[i]) {
+			acpi_ut_remove_reference (walk_state->operands[i]);
+			walk_state->operands[i] = NULL;
+		}
+	}
+
+	return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ds_obj_stack_pop_object
+ *
+ * PARAMETERS:  Object              - Where to return the popped object
+ *              walk_state          - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
+ *              deleted by this routine.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_obj_stack_pop_object (
+	union acpi_operand_object       **object,
+	struct acpi_walk_state          *walk_state)
+{
+	ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object");
+
+
+	/* Check for stack underflow */
+
+	if (walk_state->num_operands == 0) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Missing operand/stack empty! State=%p #Ops=%X\n",
+			walk_state, walk_state->num_operands));
+		*object = NULL;
+		return (AE_AML_NO_OPERAND);
+	}
+
+	/* Pop the stack */
+
+	walk_state->num_operands--;
+
+	/* Check for a valid operand */
+
+	if (!walk_state->operands [walk_state->num_operands]) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Null operand! State=%p #Ops=%X\n",
+			walk_state, walk_state->num_operands));
+		*object = NULL;
+		return (AE_AML_NO_OPERAND);
+	}
+
+	/* Get operand and set stack entry to null */
+
+	*object = walk_state->operands [walk_state->num_operands];
+	walk_state->operands [walk_state->num_operands] = NULL;
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+			  *object, acpi_ut_get_object_type_name (*object),
+			  walk_state, walk_state->num_operands));
+
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ds_obj_stack_get_value
+ *
+ * PARAMETERS:  Index               - Stack index whose value is desired.  Based
+ *                                    on the top of the stack (index=0 == top)
+ *              walk_state          - Current Walk state
+ *
+ * RETURN:      Pointer to the requested operand
+ *
+ * DESCRIPTION: Retrieve an object from this walk's operand stack.  Index must
+ *              be within the range of the current stack pointer.
+ *
+ ******************************************************************************/
+
+void *
+acpi_ds_obj_stack_get_value (
+	u32                             index,
+	struct acpi_walk_state          *walk_state)
+{
+
+	ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state);
+
+
+	/* Can't do it if the stack is empty */
+
+	if (walk_state->num_operands == 0) {
+		return_PTR (NULL);
+	}
+
+	/* or if the index is past the top of the stack */
+
+	if (index > (walk_state->num_operands - (u32) 1)) {
+		return_PTR (NULL);
+	}
+
+	return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) -
+			  index]);
+}
+#endif
+
+

drivers/acpi/ec.c

@@ -31,6 +31,7 @@
 #include <linux/delay.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/interrupt.h>
 #include <asm/io.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
@@ -49,17 +50,19 @@ ACPI_MODULE_NAME		("acpi_ec")
 
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
+#define ACPI_EC_FLAG_BURST	0x10	/* burst mode */
 #define ACPI_EC_FLAG_SCI	0x20	/* EC-SCI occurred */
 
 #define ACPI_EC_EVENT_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_EVENT_IBE	0x02	/* Input buffer empty */
 
-#define ACPI_EC_UDELAY		100	/* Poll @ 100us increments */
-#define ACPI_EC_UDELAY_COUNT	1000	/* Wait 10ms max. during EC ops */
+#define ACPI_EC_DELAY		50	/* Wait 50ms max. during EC ops */
 #define ACPI_EC_UDELAY_GLK	1000	/* Wait 1ms max. to get global lock */
 
 #define ACPI_EC_COMMAND_READ	0x80
 #define ACPI_EC_COMMAND_WRITE	0x81
+#define ACPI_EC_BURST_ENABLE	0x82
+#define ACPI_EC_BURST_DISABLE	0x83
 #define ACPI_EC_COMMAND_QUERY	0x84
 
 static int acpi_ec_add (struct acpi_device *device);
@@ -87,7 +90,11 @@ struct acpi_ec {
 	struct acpi_generic_address	command_addr;
 	struct acpi_generic_address	data_addr;
 	unsigned long			global_lock;
-	spinlock_t			lock;
+	unsigned int			expect_event;
+	atomic_t			leaving_burst; /* 0 : No, 1 : Yes, 2: abort*/
+	atomic_t			pending_gpe;
+	struct semaphore		sem;
+	wait_queue_head_t		wait;
 };
 
 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
@@ -100,42 +107,122 @@ static struct acpi_device *first_ec;
                              Transaction Management
    -------------------------------------------------------------------------- */
 
-static int
-acpi_ec_wait (
-	struct acpi_ec		*ec,
-	u8			event)
+static inline u32 acpi_ec_read_status(struct acpi_ec *ec)
 {
-	u32			acpi_ec_status = 0;
-	u32			i = ACPI_EC_UDELAY_COUNT;
+	u32	status = 0;
 
-	if (!ec)
-		return -EINVAL;
+	acpi_hw_low_level_read(8, &status, &ec->status_addr);
+	return status;
+}
+
+static int acpi_ec_wait(struct acpi_ec *ec, unsigned int event)
+{
+	int	result = 0;
+
+	ACPI_FUNCTION_TRACE("acpi_ec_wait");
 
-	/* Poll the EC status register waiting for the event to occur. */
+	ec->expect_event = event;
+	smp_mb();
+
+	result = wait_event_interruptible_timeout(ec->wait,
+					!ec->expect_event,
+					msecs_to_jiffies(ACPI_EC_DELAY));
+	
+	ec->expect_event = 0;
+	smp_mb();
+
+	if (result < 0){
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR," result  = %d ", result));
+		return_VALUE(result);
+	}
+
+	/*
+	 * Verify that the event in question has actually happened by
+	 * querying EC status. Do the check even if operation timed-out
+	 * to make sure that we did not miss interrupt.
+	 */
 	switch (event) {
 	case ACPI_EC_EVENT_OBF:
-		do {
-			acpi_hw_low_level_read(8, &acpi_ec_status, &ec->status_addr);
-			if (acpi_ec_status & ACPI_EC_FLAG_OBF)
-				return 0;
-			udelay(ACPI_EC_UDELAY);
-		} while (--i>0);
+		if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_OBF)
+			return_VALUE(0);
 		break;
+
 	case ACPI_EC_EVENT_IBE:
-		do {
-			acpi_hw_low_level_read(8, &acpi_ec_status, &ec->status_addr);
-			if (!(acpi_ec_status & ACPI_EC_FLAG_IBF))
-				return 0;
-			udelay(ACPI_EC_UDELAY);
-		} while (--i>0);
+		if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
+			return_VALUE(0);
 		break;
-	default:
-		return -EINVAL;
 	}
 
-	return -ETIME;
+	return_VALUE(-ETIME);
+}
+
+
+
+static int
+acpi_ec_enter_burst_mode (
+	struct acpi_ec		*ec)
+{
+	u32			tmp = 0;
+	int			status = 0;
+
+	ACPI_FUNCTION_TRACE("acpi_ec_enter_burst_mode");
+
+	status = acpi_ec_read_status(ec);
+	if (status != -EINVAL &&
+		!(status & ACPI_EC_FLAG_BURST)){
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"entering burst mode \n"));
+		acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr);
+		status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
+		if (status){
+			acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR," status = %d\n", status));
+			return_VALUE(-EINVAL);
+		}
+		acpi_hw_low_level_read(8, &tmp, &ec->data_addr);
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+		if(tmp != 0x90 ) {/* Burst ACK byte*/
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"Ack failed \n"));
+			return_VALUE(-EINVAL);
+		}
+	} else
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in burst mode \n"));
+	atomic_set(&ec->leaving_burst , 0);
+	return_VALUE(0);
 }
 
+static int
+acpi_ec_leave_burst_mode (
+	struct acpi_ec		*ec)
+{
+	int			status =0;
+
+	ACPI_FUNCTION_TRACE("acpi_ec_leave_burst_mode");
+
+	atomic_set(&ec->leaving_burst , 1);
+	status = acpi_ec_read_status(ec);
+	if (status != -EINVAL &&
+		(status & ACPI_EC_FLAG_BURST)){
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n"));
+		acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr);
+		status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF);
+		if (status){
+			acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->wait fail\n"));
+			return_VALUE(-EINVAL);
+		}
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+		status = acpi_ec_read_status(ec);
+		if (status != -EINVAL &&
+			(status & ACPI_EC_FLAG_BURST)) {
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->status fail\n"));
+			return_VALUE(-EINVAL);
+		}
+	}else
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in Non-burst mode \n"));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n"));
+
+	return_VALUE(0);
+}
 
 static int
 acpi_ec_read (
@@ -143,16 +230,15 @@ acpi_ec_read (
 	u8			address,
 	u32			*data)
 {
-	acpi_status		status = AE_OK;
-	int			result = 0;
-	unsigned long		flags = 0;
-	u32			glk = 0;
+	int			status = 0;
+	u32			glk;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_read");
 
 	if (!ec || !data)
 		return_VALUE(-EINVAL);
 
+retry:
 	*data = 0;
 
 	if (ec->global_lock) {
@@ -160,32 +246,50 @@ acpi_ec_read (
 		if (ACPI_FAILURE(status))
 			return_VALUE(-ENODEV);
 	}
-	
-	spin_lock_irqsave(&ec->lock, flags);
+
+	WARN_ON(in_interrupt());
+	down(&ec->sem);
+
+	if(acpi_ec_enter_burst_mode(ec))
+		goto end;
 
 	acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ, &ec->command_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
-	if (result)
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+	if (status) {
 		goto end;
+	}
 
 	acpi_hw_low_level_write(8, address, &ec->data_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
-	if (result)
+	status= acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
+	if (status){
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 		goto end;
-
+	}
 
 	acpi_hw_low_level_read(8, data, &ec->data_addr);
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Read [%02x] from address [%02x]\n",
 		*data, address));
-
+	
 end:
-	spin_unlock_irqrestore(&ec->lock, flags);
+	acpi_ec_leave_burst_mode(ec);
+	up(&ec->sem);
 
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
 
-	return_VALUE(result);
+	if(atomic_read(&ec->leaving_burst) == 2){
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
+		while(atomic_read(&ec->pending_gpe)){
+			msleep(1);	
+		}
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+		goto retry;
+	}
+
+	return_VALUE(status);
 }
 
 
@@ -195,49 +299,80 @@ acpi_ec_write (
 	u8			address,
 	u8			data)
 {
-	int			result = 0;
-	acpi_status		status = AE_OK;
-	unsigned long		flags = 0;
-	u32			glk = 0;
+	int			status = 0;
+	u32			glk;
+	u32			tmp;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_write");
 
 	if (!ec)
 		return_VALUE(-EINVAL);
-
+retry:
 	if (ec->global_lock) {
 		status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
 		if (ACPI_FAILURE(status))
 			return_VALUE(-ENODEV);
 	}
 
-	spin_lock_irqsave(&ec->lock, flags);
+	WARN_ON(in_interrupt());
+	down(&ec->sem);
+
+	if(acpi_ec_enter_burst_mode(ec))
+		goto end;
+
+	status = acpi_ec_read_status(ec);
+	if (status != -EINVAL &&
+		!(status & ACPI_EC_FLAG_BURST)){
+		acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr);
+		status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
+		if (status)
+			goto end;
+		acpi_hw_low_level_read(8, &tmp, &ec->data_addr);
+		if(tmp != 0x90 ) /* Burst ACK byte*/
+			goto end;
+	}
+	/*Now we are in burst mode*/
 
 	acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE, &ec->command_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
-	if (result)
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+	if (status){
 		goto end;
+	}
 
 	acpi_hw_low_level_write(8, address, &ec->data_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
-	if (result)
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
+	if (status){
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 		goto end;
+	}
 
 	acpi_hw_low_level_write(8, data, &ec->data_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
-	if (result)
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+	if (status)
 		goto end;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Wrote [%02x] to address [%02x]\n",
 		data, address));
 
 end:
-	spin_unlock_irqrestore(&ec->lock, flags);
+	acpi_ec_leave_burst_mode(ec);
+	up(&ec->sem);
 
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
 
-	return_VALUE(result);
+	if(atomic_read(&ec->leaving_burst) == 2){
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
+		while(atomic_read(&ec->pending_gpe)){
+			msleep(1);	
+		}
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+		goto retry;
+	}
+
+	return_VALUE(status);
 }
 
 /*
@@ -289,16 +424,13 @@ acpi_ec_query (
 	struct acpi_ec		*ec,
 	u32			*data)
 {
-	int			result = 0;
-	acpi_status		status = AE_OK;
-	unsigned long		flags = 0;
-	u32			glk = 0;
+	int			status = 0;
+	u32			glk;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_query");
 
 	if (!ec || !data)
 		return_VALUE(-EINVAL);
-
 	*data = 0;
 
 	if (ec->global_lock) {
@@ -307,29 +439,39 @@ acpi_ec_query (
 			return_VALUE(-ENODEV);
 	}
 
+	down(&ec->sem);
+	if(acpi_ec_enter_burst_mode(ec))
+		goto end;
 	/*
 	 * Query the EC to find out which _Qxx method we need to evaluate.
 	 * Note that successful completion of the query causes the ACPI_EC_SCI
 	 * bit to be cleared (and thus clearing the interrupt source).
 	 */
-	spin_lock_irqsave(&ec->lock, flags);
-
 	acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY, &ec->command_addr);
-	result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
-	if (result)
+	status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
+	if (status){
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 		goto end;
-	
+	}
+
 	acpi_hw_low_level_read(8, data, &ec->data_addr);
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 	if (!*data)
-		result = -ENODATA;
+		status = -ENODATA;
 
 end:
-	spin_unlock_irqrestore(&ec->lock, flags);
+	acpi_ec_leave_burst_mode(ec);
+	up(&ec->sem);
 
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
 
-	return_VALUE(result);
+	if(atomic_read(&ec->leaving_burst) == 2){
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
+		acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+		status = -ENODATA;
+	}
+	return_VALUE(status);
 }
 
 
@@ -347,42 +489,29 @@ acpi_ec_gpe_query (
 	void			*ec_cxt)
 {
 	struct acpi_ec		*ec = (struct acpi_ec *) ec_cxt;
-	u32			value = 0;
-	unsigned long		flags = 0;
+	u32			value;
+	int			result = -ENODATA;
 	static char		object_name[5] = {'_','Q','0','0','\0'};
 	const char		hex[] = {'0','1','2','3','4','5','6','7',
 				         '8','9','A','B','C','D','E','F'};
 
 	ACPI_FUNCTION_TRACE("acpi_ec_gpe_query");
 
-	if (!ec_cxt)
-		goto end;	
-
-	spin_lock_irqsave(&ec->lock, flags);
-	acpi_hw_low_level_read(8, &value, &ec->command_addr);
-	spin_unlock_irqrestore(&ec->lock, flags);
+	if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_SCI)
+		result = acpi_ec_query(ec, &value);
 
-	/* TBD: Implement asynch events!
-	 * NOTE: All we care about are EC-SCI's.  Other EC events are
-	 * handled via polling (yuck!).  This is because some systems
-	 * treat EC-SCIs as level (versus EDGE!) triggered, preventing
-	 *  a purely interrupt-driven approach (grumble, grumble).
-	 */
-	if (!(value & ACPI_EC_FLAG_SCI))
+	if (result)
 		goto end;
 
-	if (acpi_ec_query(ec, &value))
-		goto end;
-	
 	object_name[2] = hex[((value >> 4) & 0x0F)];
 	object_name[3] = hex[(value & 0x0F)];
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s\n", object_name));
 
 	acpi_evaluate_object(ec->handle, object_name, NULL, NULL);
-
-end:
-	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
+end:	
+	atomic_dec(&ec->pending_gpe);
+	return;
 }
 
 static u32
@@ -390,6 +519,7 @@ acpi_ec_gpe_handler (
 	void			*data)
 {
 	acpi_status		status = AE_OK;
+	u32			value;
 	struct acpi_ec		*ec = (struct acpi_ec *) data;
 
 	if (!ec)
@@ -397,13 +527,41 @@ acpi_ec_gpe_handler (
 
 	acpi_disable_gpe(NULL, ec->gpe_bit, ACPI_ISR);
 
-	status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
-		acpi_ec_gpe_query, ec);
+	value = acpi_ec_read_status(ec);
 
-	if (status == AE_OK)
-		return ACPI_INTERRUPT_HANDLED;
-	else
-		return ACPI_INTERRUPT_NOT_HANDLED;
+	if((value & ACPI_EC_FLAG_IBF) &&
+		!(value & ACPI_EC_FLAG_BURST) &&
+			(atomic_read(&ec->leaving_burst) == 0)) { 
+	/*
+	 * the embedded controller disables 
+	 * burst mode for any reason other 
+	 * than the burst disable command
+	 * to process critical event.
+	 */
+		atomic_set(&ec->leaving_burst , 2); /* block current pending transaction
+					and retry */
+		wake_up(&ec->wait);
+	}else {
+		if ((ec->expect_event == ACPI_EC_EVENT_OBF &&
+				(value & ACPI_EC_FLAG_OBF)) ||
+	    			(ec->expect_event == ACPI_EC_EVENT_IBE &&
+				!(value & ACPI_EC_FLAG_IBF))) {
+			ec->expect_event = 0;
+			wake_up(&ec->wait);
+			return ACPI_INTERRUPT_HANDLED;
+		}
+	}
+
+	if (value & ACPI_EC_FLAG_SCI){
+		atomic_add(1, &ec->pending_gpe) ;
+		status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
+						acpi_ec_gpe_query, ec);
+		return status == AE_OK ?
+		ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
+	} 
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_ISR);
+	return status == AE_OK ?
+		ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
 }
 
 /* --------------------------------------------------------------------------
@@ -421,10 +579,8 @@ acpi_ec_space_setup (
 	 * The EC object is in the handler context and is needed
 	 * when calling the acpi_ec_space_handler.
 	 */
-	if(function == ACPI_REGION_DEACTIVATE) 
-		*return_context = NULL;
-	else 
-		*return_context = handler_context;
+	*return_context  = (function != ACPI_REGION_DEACTIVATE) ?
+						handler_context : NULL;
 
 	return AE_OK;
 }
@@ -441,7 +597,7 @@ acpi_ec_space_handler (
 {
 	int			result = 0;
 	struct acpi_ec		*ec = NULL;
-	u32			temp = 0;
+	u64			temp = *value;
 	acpi_integer		f_v = 0;
 	int 			i = 0;
 
@@ -450,10 +606,9 @@ acpi_ec_space_handler (
 	if ((address > 0xFF) || !value || !handler_context)
 		return_VALUE(AE_BAD_PARAMETER);
 
-	if(bit_width != 8) {
+	if (bit_width != 8 && acpi_strict) {
 		printk(KERN_WARNING PREFIX "acpi_ec_space_handler: bit_width should be 8\n");
-		if (acpi_strict)
-			return_VALUE(AE_BAD_PARAMETER);
+		return_VALUE(AE_BAD_PARAMETER);
 	}
 
 	ec = (struct acpi_ec *) handler_context;
@@ -461,11 +616,11 @@ acpi_ec_space_handler (
 next_byte:
 	switch (function) {
 	case ACPI_READ:
-		result = acpi_ec_read(ec, (u8) address, &temp);
-		*value = (acpi_integer) temp;
+		temp = 0;
+		result = acpi_ec_read(ec, (u8) address, (u32 *)&temp);
 		break;
 	case ACPI_WRITE:
-		result = acpi_ec_write(ec, (u8) address, (u8) *value);
+		result = acpi_ec_write(ec, (u8) address, (u8) temp);
 		break;
 	default:
 		result = -EINVAL;
@@ -474,19 +629,18 @@ next_byte:
 	}
 
 	bit_width -= 8;
-	if(bit_width){
-
-		if(function == ACPI_READ)
-			f_v |= (acpi_integer) (*value) << 8*i;
-		if(function == ACPI_WRITE)
-			(*value) >>=8; 
+	if (bit_width) {
+		if (function == ACPI_READ)
+			f_v |= temp << 8 * i;
+		if (function == ACPI_WRITE)
+			temp >>= 8;
 		i++;
+		address++;
 		goto next_byte;
 	}
 
-
-	if(function == ACPI_READ){
-		f_v |= (acpi_integer) (*value) << 8*i;
+	if (function == ACPI_READ) {
+		f_v |= temp << 8 * i;
 		*value = f_v;
 	}
 
@@ -505,8 +659,6 @@ out:
 	default:
 		return_VALUE(AE_OK);
 	}
-	
-
 }
 
 
@@ -533,6 +685,7 @@ acpi_ec_read_info (struct seq_file *seq, void *offset)
 		(u32) ec->status_addr.address, (u32) ec->data_addr.address);
 	seq_printf(seq, "use global lock:         %s\n",
 		ec->global_lock?"yes":"no");
+	acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
 
 end:
 	return_VALUE(0);
@@ -555,7 +708,7 @@ static int
 acpi_ec_add_fs (
 	struct acpi_device	*device)
 {
-	struct proc_dir_entry	*entry = NULL;
+	struct proc_dir_entry	*entry;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_add_fs");
 
@@ -606,9 +759,9 @@ static int
 acpi_ec_add (
 	struct acpi_device	*device)
 {
-	int			result = 0;
-	acpi_status		status = AE_OK;
-	struct acpi_ec		*ec = NULL;
+	int			result;
+	acpi_status		status;
+	struct acpi_ec		*ec;
 	unsigned long		uid;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_add");
@@ -623,7 +776,10 @@ acpi_ec_add (
 
 	ec->handle = device->handle;
 	ec->uid = -1;
-	spin_lock_init(&ec->lock);
+ 	atomic_set(&ec->pending_gpe, 0);
+ 	atomic_set(&ec->leaving_burst , 1);
+ 	init_MUTEX(&ec->sem);
+ 	init_waitqueue_head(&ec->wait);
 	strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_EC_CLASS);
 	acpi_driver_data(device) = ec;
@@ -637,7 +793,7 @@ acpi_ec_add (
 	if (ec_ecdt && ec_ecdt->uid == uid) {
 		acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
 			ACPI_ADR_SPACE_EC, &acpi_ec_space_handler);
-	
+
 		acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, &acpi_ec_gpe_handler);
 
 		kfree(ec_ecdt);
@@ -677,7 +833,7 @@ acpi_ec_remove (
 	struct acpi_device	*device,
 	int			type)
 {
-	struct acpi_ec		*ec = NULL;
+	struct acpi_ec		*ec;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_remove");
 
@@ -732,8 +888,8 @@ static int
 acpi_ec_start (
 	struct acpi_device	*device)
 {
-	acpi_status		status = AE_OK;
-	struct acpi_ec		*ec = NULL;
+	acpi_status		status;
+	struct acpi_ec		*ec;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_start");
 
@@ -789,8 +945,8 @@ acpi_ec_stop (
 	struct acpi_device	*device,
 	int			type)
 {
-	acpi_status		status = AE_OK;
-	struct acpi_ec		*ec = NULL;
+	acpi_status		status;
+	struct acpi_ec		*ec;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_stop");
 
@@ -832,7 +988,6 @@ acpi_fake_ecdt_callback (
 	status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->gpe_bit);
 	if (ACPI_FAILURE(status))
 		return status;
-	spin_lock_init(&ec_ecdt->lock);
 	ec_ecdt->global_lock = TRUE;
 	ec_ecdt->handle = handle;
 
@@ -890,7 +1045,7 @@ acpi_ec_get_real_ecdt(void)
 	acpi_status		status;
 	struct acpi_table_ecdt 	*ecdt_ptr;
 
-	status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING, 
+	status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING,
 		(struct acpi_table_header **) &ecdt_ptr);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
@@ -905,11 +1060,12 @@ acpi_ec_get_real_ecdt(void)
 		return -ENOMEM;
 	memset(ec_ecdt, 0, sizeof(struct acpi_ec));
 
+ 	init_MUTEX(&ec_ecdt->sem);
+ 	init_waitqueue_head(&ec_ecdt->wait);
 	ec_ecdt->command_addr = ecdt_ptr->ec_control;
 	ec_ecdt->status_addr = ecdt_ptr->ec_control;
 	ec_ecdt->data_addr = ecdt_ptr->ec_data;
 	ec_ecdt->gpe_bit = ecdt_ptr->gpe_bit;
-	spin_lock_init(&ec_ecdt->lock);
 	/* use the GL just to be safe */
 	ec_ecdt->global_lock = TRUE;
 	ec_ecdt->uid = ecdt_ptr->uid;
@@ -978,7 +1134,7 @@ error:
 
 static int __init acpi_ec_init (void)
 {
-	int			result = 0;
+	int			result;
 
 	ACPI_FUNCTION_TRACE("acpi_ec_init");
 

drivers/acpi/events/evevent.c

@@ -47,6 +47,16 @@
 #define _COMPONENT          ACPI_EVENTS
 	 ACPI_MODULE_NAME    ("evevent")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ev_fixed_event_initialize (
+	void);
+
+static u32
+acpi_ev_fixed_event_dispatch (
+	u32                             event);
+
 
 /*******************************************************************************
  *
@@ -56,7 +66,7 @@
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Initialize global data structures for events.
+ * DESCRIPTION: Initialize global data structures for ACPI events (Fixed, GPE)
  *
  ******************************************************************************/
 
@@ -78,9 +88,9 @@ acpi_ev_initialize_events (
 	}
 
 	/*
-	 * Initialize the Fixed and General Purpose Events. This is
-	 * done prior to enabling SCIs to prevent interrupts from
-	 * occurring before handers are installed.
+	 * Initialize the Fixed and General Purpose Events. This is done prior to
+	 * enabling SCIs to prevent interrupts from occurring before the handlers are
+	 * installed.
 	 */
 	status = acpi_ev_fixed_event_initialize ();
 	if (ACPI_FAILURE (status)) {
@@ -161,7 +171,7 @@ acpi_ev_install_xrupt_handlers (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ev_fixed_event_initialize (
 	void)
 {
@@ -180,7 +190,8 @@ acpi_ev_fixed_event_initialize (
 		/* Enable the fixed event */
 
 		if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
-			status = acpi_set_register (acpi_gbl_fixed_event_info[i].enable_register_id,
+			status = acpi_set_register (
+					 acpi_gbl_fixed_event_info[i].enable_register_id,
 					 0, ACPI_MTX_LOCK);
 			if (ACPI_FAILURE (status)) {
 				return (status);
@@ -200,7 +211,7 @@ acpi_ev_fixed_event_initialize (
  *
  * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
  *
- * DESCRIPTION: Checks the PM status register for fixed events
+ * DESCRIPTION: Checks the PM status register for active fixed events
  *
  ******************************************************************************/
 
@@ -221,8 +232,10 @@ acpi_ev_fixed_event_detect (
 	 * Read the fixed feature status and enable registers, as all the cases
 	 * depend on their values.  Ignore errors here.
 	 */
-	(void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, &fixed_status);
-	(void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+	(void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
+			 &fixed_status);
+	(void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE,
+			 &fixed_enable);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
 		"Fixed Event Block: Enable %08X Status %08X\n",
@@ -259,7 +272,7 @@ acpi_ev_fixed_event_detect (
  *
  ******************************************************************************/
 
-u32
+static u32
 acpi_ev_fixed_event_dispatch (
 	u32                             event)
 {

drivers/acpi/events/evgpe.c

@@ -48,6 +48,12 @@
 #define _COMPONENT          ACPI_EVENTS
 	 ACPI_MODULE_NAME    ("evgpe")
 
+/* Local prototypes */
+
+static void ACPI_SYSTEM_XFACE
+acpi_ev_asynch_execute_gpe_method (
+	void                            *context);
+
 
 /*******************************************************************************
  *
@@ -335,8 +341,10 @@ acpi_ev_get_gpe_event_info (
 			gpe_block = acpi_gbl_gpe_fadt_blocks[i];
 			if (gpe_block) {
 				if ((gpe_number >= gpe_block->block_base_number) &&
-					(gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) {
-					return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]);
+					(gpe_number < gpe_block->block_base_number +
+						(gpe_block->register_count * 8))) {
+					return (&gpe_block->event_info[gpe_number -
+						gpe_block->block_base_number]);
 				}
 			}
 		}
@@ -437,7 +445,7 @@ acpi_ev_gpe_detect (
 				"Read GPE Register at GPE%X: Status=%02X, Enable=%02X\n",
 				gpe_register_info->base_gpe_number, status_reg, enable_reg));
 
-			/* First check if there is anything active at all in this register */
+			/* Check if there is anything active at all in this register */
 
 			enabled_status_byte = (u8) (status_reg & enable_reg);
 			if (!enabled_status_byte) {
@@ -457,8 +465,8 @@ acpi_ev_gpe_detect (
 					 * or method.
 					 */
 					int_status |= acpi_ev_gpe_dispatch (
-							  &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j],
-							  (u32) j + gpe_register_info->base_gpe_number);
+						&gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j],
+						(u32) j + gpe_register_info->base_gpe_number);
 				}
 			}
 		}
@@ -523,7 +531,8 @@ acpi_ev_asynch_execute_gpe_method (
 	 * Take a snapshot of the GPE info for this level - we copy the
 	 * info to prevent a race condition with remove_handler/remove_block.
 	 */
-	ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info, sizeof (struct acpi_gpe_event_info));
+	ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info,
+		sizeof (struct acpi_gpe_event_info));
 
 	status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
 	if (ACPI_FAILURE (status)) {
@@ -534,7 +543,8 @@ acpi_ev_asynch_execute_gpe_method (
 	 * Must check for control method type dispatch one more
 	 * time to avoid race with ev_gpe_install_handler
 	 */
-	if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) {
+	if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) ==
+			ACPI_GPE_DISPATCH_METHOD) {
 		/*
 		 * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
 		 * control method that corresponds to this GPE
@@ -553,7 +563,8 @@ acpi_ev_asynch_execute_gpe_method (
 		}
 	}
 
-	if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) {
+	if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+			ACPI_GPE_LEVEL_TRIGGERED) {
 		/*
 		 * GPE is level-triggered, we clear the GPE status bit after
 		 * handling the event.
@@ -575,7 +586,7 @@ acpi_ev_asynch_execute_gpe_method (
  *
  * FUNCTION:    acpi_ev_gpe_dispatch
  *
- * PARAMETERS:  gpe_event_info  - info for this GPE
+ * PARAMETERS:  gpe_event_info  - Info for this GPE
  *              gpe_number      - Number relative to the parent GPE block
  *
  * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
@@ -602,10 +613,12 @@ acpi_ev_gpe_dispatch (
 	 * If edge-triggered, clear the GPE status bit now.  Note that
 	 * level-triggered events are cleared after the GPE is serviced.
 	 */
-	if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) {
+	if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+			ACPI_GPE_EDGE_TRIGGERED) {
 		status = acpi_hw_clear_gpe (gpe_event_info);
 		if (ACPI_FAILURE (status)) {
-			ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n",
+			ACPI_REPORT_ERROR ((
+				"acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n",
 				acpi_format_exception (status), gpe_number));
 			return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
 		}
@@ -639,7 +652,8 @@ acpi_ev_gpe_dispatch (
 
 		/* It is now safe to clear level-triggered events. */
 
-		if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) {
+		if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+				ACPI_GPE_LEVEL_TRIGGERED) {
 			status = acpi_hw_clear_gpe (gpe_event_info);
 			if (ACPI_FAILURE (status)) {
 				ACPI_REPORT_ERROR ((
@@ -704,7 +718,6 @@ acpi_ev_gpe_dispatch (
 
 
 #ifdef ACPI_GPE_NOTIFY_CHECK
-
 /*******************************************************************************
  * TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED
  *

drivers/acpi/events/evgpeblk.c

@@ -48,6 +48,39 @@
 #define _COMPONENT          ACPI_EVENTS
 	 ACPI_MODULE_NAME    ("evgpeblk")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ev_save_method_info (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *obj_desc,
+	void                            **return_value);
+
+static acpi_status
+acpi_ev_match_prw_and_gpe (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *info,
+	void                            **return_value);
+
+static struct acpi_gpe_xrupt_info *
+acpi_ev_get_gpe_xrupt_block (
+	u32                             interrupt_level);
+
+static acpi_status
+acpi_ev_delete_gpe_xrupt (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt);
+
+static acpi_status
+acpi_ev_install_gpe_block (
+	struct acpi_gpe_block_info      *gpe_block,
+	u32                             interrupt_level);
+
+static acpi_status
+acpi_ev_create_gpe_info_blocks (
+	struct acpi_gpe_block_info      *gpe_block);
+
 
 /*******************************************************************************
  *
@@ -155,7 +188,7 @@ unlock_and_exit:
 }
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ev_delete_gpe_handlers
  *
@@ -190,7 +223,8 @@ acpi_ev_delete_gpe_handlers (
 		for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
 			gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
 
-			if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) {
+			if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+					ACPI_GPE_DISPATCH_HANDLER) {
 				ACPI_MEM_FREE (gpe_event_info->dispatch.handler);
 				gpe_event_info->dispatch.handler = NULL;
 				gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK;
@@ -471,7 +505,7 @@ acpi_ev_get_gpe_xrupt_block (
 	ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
 
 
-	/* No need for spin lock since we are not changing any list elements here */
+	/* No need for lock since we are not changing any list elements here */
 
 	next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
 	while (next_gpe_xrupt) {
@@ -619,7 +653,7 @@ acpi_ev_install_gpe_block (
 		goto unlock_and_exit;
 	}
 
-	/* Install the new block at the end of the list for this interrupt with lock */
+	/* Install the new block at the end of the list with lock */
 
 	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
 	if (gpe_xrupt_block->gpe_block_list_head) {
@@ -756,10 +790,12 @@ acpi_ev_create_gpe_info_blocks (
 	 * per register.  Initialization to zeros is sufficient.
 	 */
 	gpe_event_info = ACPI_MEM_CALLOCATE (
-			   ((acpi_size) gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) *
+			   ((acpi_size) gpe_block->register_count *
+			   ACPI_GPE_REGISTER_WIDTH) *
 			   sizeof (struct acpi_gpe_event_info));
 	if (!gpe_event_info) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the gpe_event_info table\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Could not allocate the gpe_event_info table\n"));
 		status = AE_NO_MEMORY;
 		goto error_exit;
 	}
@@ -899,7 +935,8 @@ acpi_ev_create_gpe_block (
 	gpe_block->block_base_number = gpe_block_base_number;
 	gpe_block->node           = gpe_device;
 
-	ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, sizeof (struct acpi_generic_address));
+	ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address,
+		sizeof (struct acpi_generic_address));
 
 	/* Create the register_info and event_info sub-structures */
 
@@ -1061,8 +1098,9 @@ acpi_ev_gpe_initialize (
 
 		/* Install GPE Block 0 */
 
-		status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, &acpi_gbl_FADT->xgpe0_blk,
-				 register_count0, 0, acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]);
+		status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device,
+				 &acpi_gbl_FADT->xgpe0_blk, register_count0, 0,
+				 acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]);
 
 		if (ACPI_FAILURE (status)) {
 			ACPI_REPORT_ERROR ((
@@ -1094,8 +1132,9 @@ acpi_ev_gpe_initialize (
 		else {
 			/* Install GPE Block 1 */
 
-			status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, &acpi_gbl_FADT->xgpe1_blk,
-					 register_count1, acpi_gbl_FADT->gpe1_base,
+			status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device,
+					 &acpi_gbl_FADT->xgpe1_blk, register_count1,
+					 acpi_gbl_FADT->gpe1_base,
 					 acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[1]);
 
 			if (ACPI_FAILURE (status)) {
@@ -1109,7 +1148,7 @@ acpi_ev_gpe_initialize (
 			 * space. However, GPE0 always starts at GPE number zero.
 			 */
 			gpe_number_max = acpi_gbl_FADT->gpe1_base +
-					   ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
+					  ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
 		}
 	}
 

drivers/acpi/events/evmisc.c

@@ -50,6 +50,35 @@
 	 ACPI_MODULE_NAME    ("evmisc")
 
 
+#ifdef ACPI_DEBUG_OUTPUT
+static const char                *acpi_notify_value_names[] =
+{
+	"Bus Check",
+	"Device Check",
+	"Device Wake",
+	"Eject request",
+	"Device Check Light",
+	"Frequency Mismatch",
+	"Bus Mode Mismatch",
+	"Power Fault"
+};
+#endif
+
+/* Local prototypes */
+
+static void ACPI_SYSTEM_XFACE
+acpi_ev_notify_dispatch (
+	void                            *context);
+
+static void ACPI_SYSTEM_XFACE
+acpi_ev_global_lock_thread (
+	void                            *context);
+
+static u32
+acpi_ev_global_lock_handler (
+	void                            *context);
+
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ev_is_notify_object
@@ -98,20 +127,6 @@ acpi_ev_is_notify_object (
  *
  ******************************************************************************/
 
-#ifdef ACPI_DEBUG_OUTPUT
-static const char                *acpi_notify_value_names[] =
-{
-	"Bus Check",
-	"Device Check",
-	"Device Wake",
-	"Eject request",
-	"Device Check Light",
-	"Frequency Mismatch",
-	"Bus Mode Mismatch",
-	"Power Fault"
-};
-#endif
-
 acpi_status
 acpi_ev_queue_notify_request (
 	struct acpi_namespace_node      *node,
@@ -128,9 +143,10 @@ acpi_ev_queue_notify_request (
 
 	/*
 	 * For value 3 (Ejection Request), some device method may need to be run.
-	 * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need to be run.
+	 * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need
+	 *   to be run.
 	 * For value 0x80 (Status Change) on the power button or sleep button,
-	 * initiate soft-off or sleep operation?
+	 *   initiate soft-off or sleep operation?
 	 */
 	ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
 		"Dispatching Notify(%X) on node %p\n", notify_value, node));
@@ -140,8 +156,9 @@ acpi_ev_queue_notify_request (
 				acpi_notify_value_names[notify_value]));
 	}
 	else {
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: 0x%2.2X **Device Specific**\n",
-				notify_value));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+			"Notify value: 0x%2.2X **Device Specific**\n",
+			notify_value));
 	}
 
 	/* Get the notify object attached to the NS Node */
@@ -210,7 +227,7 @@ acpi_ev_queue_notify_request (
  *
  * FUNCTION:    acpi_ev_notify_dispatch
  *
- * PARAMETERS:  Context         - To be passsed to the notify handler
+ * PARAMETERS:  Context         - To be passed to the notify handler
  *
  * RETURN:      None.
  *
@@ -219,7 +236,7 @@ acpi_ev_queue_notify_request (
  *
  ******************************************************************************/
 
-void ACPI_SYSTEM_XFACE
+static void ACPI_SYSTEM_XFACE
 acpi_ev_notify_dispatch (
 	void                            *context)
 {
@@ -234,7 +251,8 @@ acpi_ev_notify_dispatch (
 
 	/*
 	 * We will invoke a global notify handler if installed.
-	 * This is done _before_ we invoke the per-device handler attached to the device.
+	 * This is done _before_ we invoke the per-device handler attached
+	 * to the device.
 	 */
 	if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) {
 		/* Global system notification handler */
@@ -256,15 +274,17 @@ acpi_ev_notify_dispatch (
 	/* Invoke the system handler first, if present */
 
 	if (global_handler) {
-		global_handler (notify_info->notify.node, notify_info->notify.value, global_context);
+		global_handler (notify_info->notify.node, notify_info->notify.value,
+			global_context);
 	}
 
 	/* Now invoke the per-device handler, if present */
 
 	handler_obj = notify_info->notify.handler_obj;
 	if (handler_obj) {
-		handler_obj->notify.handler (notify_info->notify.node, notify_info->notify.value,
-				  handler_obj->notify.context);
+		handler_obj->notify.handler (notify_info->notify.node,
+			notify_info->notify.value,
+			handler_obj->notify.context);
 	}
 
 	/* All done with the info object */
@@ -370,7 +390,8 @@ acpi_ev_global_lock_handler (
  ******************************************************************************/
 
 acpi_status
-acpi_ev_init_global_lock_handler (void)
+acpi_ev_init_global_lock_handler (
+	void)
 {
 	acpi_status                     status;
 
@@ -380,7 +401,7 @@ acpi_ev_init_global_lock_handler (void)
 
 	acpi_gbl_global_lock_present = TRUE;
 	status = acpi_install_fixed_event_handler (ACPI_EVENT_GLOBAL,
-			  acpi_ev_global_lock_handler, NULL);
+			 acpi_ev_global_lock_handler, NULL);
 
 	/*
 	 * If the global lock does not exist on this platform, the attempt
@@ -433,8 +454,10 @@ acpi_ev_acquire_global_lock (
 
 	acpi_gbl_global_lock_thread_count++;
 
-	/* If we (OS side vs. BIOS side) have the hardware lock already, we are done */
-
+	/*
+	 * If we (OS side vs. BIOS side) have the hardware lock already,
+	 * we are done
+	 */
 	if (acpi_gbl_global_lock_acquired) {
 		return_ACPI_STATUS (AE_OK);
 	}
@@ -480,7 +503,8 @@ acpi_ev_acquire_global_lock (
  ******************************************************************************/
 
 acpi_status
-acpi_ev_release_global_lock (void)
+acpi_ev_release_global_lock (
+	void)
 {
 	u8                              pending = FALSE;
 	acpi_status                     status = AE_OK;
@@ -490,7 +514,8 @@ acpi_ev_release_global_lock (void)
 
 
 	if (!acpi_gbl_global_lock_thread_count) {
-		ACPI_REPORT_WARNING(("Cannot release HW Global Lock, it has not been acquired\n"));
+		ACPI_REPORT_WARNING((
+			"Cannot release HW Global Lock, it has not been acquired\n"));
 		return_ACPI_STATUS (AE_NOT_ACQUIRED);
 	}
 
@@ -515,7 +540,8 @@ acpi_ev_release_global_lock (void)
 	 * register
 	 */
 	if (pending) {
-		status = acpi_set_register (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1, ACPI_MTX_LOCK);
+		status = acpi_set_register (ACPI_BITREG_GLOBAL_LOCK_RELEASE,
+				 1, ACPI_MTX_LOCK);
 	}
 
 	return_ACPI_STATUS (status);
@@ -535,7 +561,8 @@ acpi_ev_release_global_lock (void)
  ******************************************************************************/
 
 void
-acpi_ev_terminate (void)
+acpi_ev_terminate (
+	void)
 {
 	acpi_native_uint                i;
 	acpi_status                     status;
@@ -555,7 +582,8 @@ acpi_ev_terminate (void)
 		for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
 			status = acpi_disable_event ((u32) i, 0);
 			if (ACPI_FAILURE (status)) {
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable fixed event %d\n", (u32) i));
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Could not disable fixed event %d\n", (u32) i));
 			}
 		}
 
@@ -567,7 +595,8 @@ acpi_ev_terminate (void)
 
 		status = acpi_ev_remove_sci_handler ();
 		if (ACPI_FAILURE(status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not remove SCI handler\n"));
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Could not remove SCI handler\n"));
 		}
 	}
 

drivers/acpi/events/evregion.c

@@ -58,6 +58,22 @@ static u8                   acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPA
 			 ACPI_ADR_SPACE_PCI_CONFIG,
 			 ACPI_ADR_SPACE_DATA_TABLE};
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ev_reg_run (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value);
+
+static acpi_status
+acpi_ev_install_handler (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value);
+
 
 /*******************************************************************************
  *
@@ -179,8 +195,8 @@ acpi_ev_initialize_op_regions (
  *
  * FUNCTION:    acpi_ev_execute_reg_method
  *
- * PARAMETERS:  region_obj          - Object structure
- *              Function            - Passed to _REG:  On (1) or Off (0)
+ * PARAMETERS:  region_obj          - Region object
+ *              Function            - Passed to _REG: On (1) or Off (0)
  *
  * RETURN:      Status
  *
@@ -323,14 +339,16 @@ acpi_ev_address_space_dispatch (
 		if (!region_setup) {
 			/* No initialization routine, exit with error */
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No init routine for region(%p) [%s]\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"No init routine for region(%p) [%s]\n",
 				region_obj, acpi_ut_get_region_name (region_obj->region.space_id)));
 			return_ACPI_STATUS (AE_NOT_EXIST);
 		}
 
 		/*
-		 * We must exit the interpreter because the region setup will potentially
-		 * execute control methods (e.g., _REG method for this region)
+		 * We must exit the interpreter because the region
+		 * setup will potentially execute control methods
+		 * (e.g., _REG method for this region)
 		 */
 		acpi_ex_exit_interpreter ();
 
@@ -621,7 +639,7 @@ acpi_ev_attach_region (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ev_install_handler (
 	acpi_handle                     obj_handle,
 	u32                             level,
@@ -848,7 +866,8 @@ acpi_ev_install_space_handler (
 				if (handler_obj->address_space.handler == handler) {
 					/*
 					 * It is (relatively) OK to attempt to install the SAME
-					 * handler twice. This can easily happen with PCI_Config space.
+					 * handler twice. This can easily happen
+					 * with PCI_Config space.
 					 */
 					status = AE_SAME_HANDLER;
 					goto unlock_and_exit;
@@ -1011,7 +1030,7 @@ acpi_ev_execute_reg_methods (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ev_reg_run (
 	acpi_handle                     obj_handle,
 	u32                             level,

drivers/acpi/events/evrgnini.c

@@ -61,7 +61,7 @@
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling, a nop for now
+ * DESCRIPTION: Setup a system_memory operation region
  *
  ******************************************************************************/
 
@@ -115,7 +115,7 @@ acpi_ev_system_memory_region_setup (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling
+ * DESCRIPTION: Setup a IO operation region
  *
  ******************************************************************************/
 
@@ -144,14 +144,14 @@ acpi_ev_io_space_region_setup (
  *
  * FUNCTION:    acpi_ev_pci_config_region_setup
  *
- * PARAMETERS:  Handle             - Region we are interested in
+ * PARAMETERS:  Handle              - Region we are interested in
  *              Function            - Start or stop
  *              handler_context     - Address space handler context
  *              region_context      - Region specific context
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling
+ * DESCRIPTION: Setup a PCI_Config operation region
  *
  * MUTEX:       Assumes namespace is not locked
  *
@@ -324,7 +324,7 @@ acpi_ev_pci_config_region_setup (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling
+ * DESCRIPTION: Setup a pci_bAR operation region
  *
  * MUTEX:       Assumes namespace is not locked
  *
@@ -355,7 +355,7 @@ acpi_ev_pci_bar_region_setup (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling
+ * DESCRIPTION: Setup a CMOS operation region
  *
  * MUTEX:       Assumes namespace is not locked
  *
@@ -386,7 +386,7 @@ acpi_ev_cmos_region_setup (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Do any prep work for region handling
+ * DESCRIPTION: Default region initialization
  *
  ******************************************************************************/
 

drivers/acpi/events/evsci.c

@@ -49,6 +49,12 @@
 #define _COMPONENT          ACPI_EVENTS
 	 ACPI_MODULE_NAME    ("evsci")
 
+/* Local prototypes */
+
+static u32 ACPI_SYSTEM_XFACE
+acpi_ev_sci_xrupt_handler (
+	void                            *context);
+
 
 /*******************************************************************************
  *
@@ -146,7 +152,8 @@ acpi_ev_gpe_xrupt_handler (
  ******************************************************************************/
 
 u32
-acpi_ev_install_sci_handler (void)
+acpi_ev_install_sci_handler (
+	void)
 {
 	u32                             status = AE_OK;
 
@@ -180,7 +187,8 @@ acpi_ev_install_sci_handler (void)
  ******************************************************************************/
 
 acpi_status
-acpi_ev_remove_sci_handler (void)
+acpi_ev_remove_sci_handler (
+	void)
 {
 	acpi_status                     status;
 

drivers/acpi/events/evxface.c

@@ -64,6 +64,7 @@
  * DESCRIPTION: Saves the pointer to the handler function
  *
  ******************************************************************************/
+
 #ifdef ACPI_FUTURE_USAGE
 acpi_status
 acpi_install_exception_handler (
@@ -457,7 +458,8 @@ acpi_remove_notify_handler (
 	/* Root Object */
 
 	if (device == ACPI_ROOT_OBJECT) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing notify handler for ROOT object.\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+			"Removing notify handler for ROOT object.\n"));
 
 		if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
 			  !acpi_gbl_system_notify.handler)      ||
@@ -564,8 +566,9 @@ EXPORT_SYMBOL(acpi_remove_notify_handler);
  *
  * FUNCTION:    acpi_install_gpe_handler
  *
- * PARAMETERS:  gpe_number      - The GPE number within the GPE block
- *              gpe_block       - GPE block (NULL == FADT GPEs)
+ * PARAMETERS:  gpe_device      - Namespace node for the GPE (NULL for FADT
+ *                                defined GPEs)
+ *              gpe_number      - The GPE number within the GPE block
  *              Type            - Whether this GPE should be treated as an
  *                                edge- or level-triggered interrupt.
  *              Address         - Address of the handler
@@ -662,8 +665,9 @@ EXPORT_SYMBOL(acpi_install_gpe_handler);
  *
  * FUNCTION:    acpi_remove_gpe_handler
  *
- * PARAMETERS:  gpe_number      - The event to remove a handler
- *              gpe_block       - GPE block (NULL == FADT GPEs)
+ * PARAMETERS:  gpe_device      - Namespace node for the GPE (NULL for FADT
+ *                                defined GPEs)
+ *              gpe_number      - The event to remove a handler
  *              Address         - Address of the handler
  *
  * RETURN:      Status
@@ -766,7 +770,8 @@ EXPORT_SYMBOL(acpi_remove_gpe_handler);
  * FUNCTION:    acpi_acquire_global_lock
  *
  * PARAMETERS:  Timeout         - How long the caller is willing to wait
- *              out_handle      - A handle to the lock if acquired
+ *              Handle          - Where the handle to the lock is returned
+ *                                (if acquired)
  *
  * RETURN:      Status
  *
@@ -812,7 +817,7 @@ EXPORT_SYMBOL(acpi_acquire_global_lock);
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Release the ACPI Global Lock
+ * DESCRIPTION: Release the ACPI Global Lock. The handle must be valid.
  *
  ******************************************************************************/
 

drivers/acpi/events/evxfevnt.c

@@ -64,7 +64,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_enable (void)
+acpi_enable (
+	void)
 {
 	acpi_status                     status = AE_OK;
 
@@ -91,7 +92,8 @@ acpi_enable (void)
 			return_ACPI_STATUS (status);
 		}
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "Transition to ACPI mode successful\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
+			"Transition to ACPI mode successful\n"));
 	}
 
 	return_ACPI_STATUS (status);
@@ -106,12 +108,13 @@ acpi_enable (void)
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Transfers the system into LEGACY mode.
+ * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.
  *
  ******************************************************************************/
 
 acpi_status
-acpi_disable (void)
+acpi_disable (
+	void)
 {
 	acpi_status                     status = AE_OK;
 
@@ -125,7 +128,8 @@ acpi_disable (void)
 	}
 
 	if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "System is already in legacy (non-ACPI) mode\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
+			"System is already in legacy (non-ACPI) mode\n"));
 	}
 	else {
 		/* Transition to LEGACY mode */
@@ -133,7 +137,8 @@ acpi_disable (void)
 		status = acpi_hw_set_mode (ACPI_SYS_MODE_LEGACY);
 
 		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not exit ACPI mode to legacy mode"));
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Could not exit ACPI mode to legacy mode"));
 			return_ACPI_STATUS (status);
 		}
 
@@ -214,7 +219,7 @@ EXPORT_SYMBOL(acpi_enable_event);
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable an ACPI event (general purpose)
+ * DESCRIPTION: Set the type of an individual GPE
  *
  ******************************************************************************/
 
@@ -519,13 +524,12 @@ unlock_and_exit:
 
 
 #ifdef ACPI_FUTURE_USAGE
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_get_event_status
  *
  * PARAMETERS:  Event           - The fixed event
- *              Event Status    - Where the current status of the event will
+ *              event_status    - Where the current status of the event will
  *                                be returned
  *
  * RETURN:      Status
@@ -571,7 +575,7 @@ acpi_get_event_status (
  * PARAMETERS:  gpe_device      - Parent GPE Device
  *              gpe_number      - GPE level within the GPE block
  *              Flags           - Called from an ISR or not
- *              Event Status    - Where the current status of the event will
+ *              event_status    - Where the current status of the event will
  *                                be returned
  *
  * RETURN:      Status
@@ -775,4 +779,5 @@ unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
 	return_ACPI_STATUS (status);
 }
+
 EXPORT_SYMBOL(acpi_remove_gpe_block);

drivers/acpi/executer/exconfig.c

@@ -54,6 +54,14 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exconfig")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ex_add_table (
+	struct acpi_table_header        *table,
+	struct acpi_namespace_node      *parent_node,
+	union acpi_operand_object       **ddb_handle);
+
 
 /*******************************************************************************
  *
@@ -70,7 +78,7 @@
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_add_table (
 	struct acpi_table_header        *table,
 	struct acpi_namespace_node      *parent_node,
@@ -95,10 +103,10 @@ acpi_ex_add_table (
 
 	ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
 
-	table_info.type        = ACPI_TABLE_SSDT;
-	table_info.pointer     = table;
-	table_info.length      = (acpi_size) table->length;
-	table_info.allocation  = ACPI_MEM_ALLOCATED;
+	table_info.type      = ACPI_TABLE_SSDT;
+	table_info.pointer   = table;
+	table_info.length    = (acpi_size) table->length;
+	table_info.allocation = ACPI_MEM_ALLOCATED;
 
 	status = acpi_tb_install_table (&table_info);
 	if (ACPI_FAILURE (status)) {
@@ -226,11 +234,10 @@ acpi_ex_load_table_op (
 			start_node = parent_node;
 		}
 
-		/*
-		 * Find the node referenced by the parameter_path_string
-		 */
+		/* Find the node referenced by the parameter_path_string */
+
 		status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node,
-				   ACPI_NS_SEARCH_PARENT, &parameter_node);
+				 ACPI_NS_SEARCH_PARENT, &parameter_node);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -248,7 +255,8 @@ acpi_ex_load_table_op (
 	if (parameter_node) {
 		/* Store the parameter data into the optional parameter object */
 
-		status = acpi_ex_store (operand[5], ACPI_CAST_PTR (union acpi_operand_object, parameter_node),
+		status = acpi_ex_store (operand[5],
+				 ACPI_CAST_PTR (union acpi_operand_object, parameter_node),
 				 walk_state);
 		if (ACPI_FAILURE (status)) {
 			(void) acpi_ex_unload_table (ddb_handle);
@@ -371,7 +379,8 @@ acpi_ex_load_op (
 			goto cleanup;
 		}
 
-		table_ptr = ACPI_CAST_PTR (struct acpi_table_header, buffer_desc->buffer.pointer);
+		table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
+				  buffer_desc->buffer.pointer);
 
 		 /* Sanity check the table length */
 

drivers/acpi/executer/exconvrt.c

@@ -50,6 +50,15 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exconvrt")
 
+/* Local prototypes */
+
+static u32
+acpi_ex_convert_to_ascii (
+	acpi_integer                    integer,
+	u16                             base,
+	u8                              *string,
+	u8                              max_length);
+
 
 /*******************************************************************************
  *
@@ -115,9 +124,8 @@ acpi_ex_convert_to_integer (
 	 */
 	result = 0;
 
-	/*
-	 * String conversion is different than Buffer conversion
-	 */
+	/* String conversion is different than Buffer conversion */
+
 	switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
 	case ACPI_TYPE_STRING:
 
@@ -168,9 +176,8 @@ acpi_ex_convert_to_integer (
 		break;
 	}
 
-	/*
-	 * Create a new integer
-	 */
+	/* Create a new integer */
+
 	return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
 	if (!return_desc) {
 		return_ACPI_STATUS (AE_NO_MEMORY);
@@ -251,7 +258,8 @@ acpi_ex_convert_to_buffer (
 		 * ASL/AML code that depends on the null being transferred to the new
 		 * buffer.
 		 */
-		return_desc = acpi_ut_create_buffer_object ((acpi_size) obj_desc->string.length + 1);
+		return_desc = acpi_ut_create_buffer_object (
+				  (acpi_size) obj_desc->string.length + 1);
 		if (!return_desc) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
 		}
@@ -291,7 +299,7 @@ acpi_ex_convert_to_buffer (
  *
  ******************************************************************************/
 
-u32
+static u32
 acpi_ex_convert_to_ascii (
 	acpi_integer                    integer,
 	u16                             base,
@@ -357,8 +365,9 @@ acpi_ex_convert_to_ascii (
 
 	case 16:
 
-		hex_length = ACPI_MUL_2 (data_width); /* 2 ascii hex chars per data byte */
+		/* hex_length: 2 ascii hex chars per data byte */
 
+		hex_length = ACPI_MUL_2 (data_width);
 		for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
 			/* Get one hex digit, most significant digits first */
 
@@ -475,7 +484,7 @@ acpi_ex_convert_to_string (
 		/* Setup string length, base, and separator */
 
 		switch (type) {
-		case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string operator */
+		case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */
 			/*
 			 * From ACPI: "If Data is a buffer, it is converted to a string of
 			 * decimal values separated by commas."
@@ -509,7 +518,7 @@ acpi_ex_convert_to_string (
 			string_length = (obj_desc->buffer.length * 3);
 			break;
 
-		case ACPI_EXPLICIT_CONVERT_HEX:     /* Used by to_hex_string operator */
+		case ACPI_EXPLICIT_CONVERT_HEX:     /* Used by to_hex_string */
 			/*
 			 * From ACPI: "If Data is a buffer, it is converted to a string of
 			 * hexadecimal values separated by commas."
@@ -530,9 +539,8 @@ acpi_ex_convert_to_string (
 			return_ACPI_STATUS (AE_AML_STRING_LIMIT);
 		}
 
-		/*
-		 * Create a new string object and string buffer
-		 */
+		/* Create a new string object and string buffer */
+
 		return_desc = acpi_ut_create_string_object ((acpi_size) string_length);
 		if (!return_desc) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
@@ -551,8 +559,10 @@ acpi_ex_convert_to_string (
 			*new_buf++ = separator; /* each separated by a comma or space */
 		}
 
-		/* Null terminate the string (overwrites final comma/space from above) */
-
+		/*
+		 * Null terminate the string
+		 * (overwrites final comma/space from above)
+		 */
 		new_buf--;
 		*new_buf = 0;
 		break;
@@ -645,7 +655,6 @@ acpi_ex_convert_to_target_type (
 
 
 		case ACPI_TYPE_STRING:
-
 			/*
 			 * The operand must be a String.  We can convert an
 			 * Integer or Buffer if necessary
@@ -656,7 +665,6 @@ acpi_ex_convert_to_target_type (
 
 
 		case ACPI_TYPE_BUFFER:
-
 			/*
 			 * The operand must be a Buffer.  We can convert an
 			 * Integer or String if necessary

drivers/acpi/executer/excreate.c

@@ -55,7 +55,7 @@
 
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_alias
  *
@@ -65,7 +65,7 @@
  *
  * DESCRIPTION: Create a new named alias
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_alias (
@@ -140,8 +140,7 @@ acpi_ex_create_alias (
 		 * target node or the alias Node
 		 */
 		status = acpi_ns_attach_object (alias_node,
-				 acpi_ns_get_attached_object (target_node),
-				 target_node->type);
+				 acpi_ns_get_attached_object (target_node), target_node->type);
 		break;
 	}
 
@@ -151,7 +150,7 @@ acpi_ex_create_alias (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_event
  *
@@ -161,7 +160,7 @@ acpi_ex_create_alias (
  *
  * DESCRIPTION: Create a new event object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_event (
@@ -185,7 +184,7 @@ acpi_ex_create_event (
 	 * that the event is created in an unsignalled state
 	 */
 	status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0,
-			   &obj_desc->event.semaphore);
+			 &obj_desc->event.semaphore);
 	if (ACPI_FAILURE (status)) {
 		goto cleanup;
 	}
@@ -193,7 +192,7 @@ acpi_ex_create_event (
 	/* Attach object to the Node */
 
 	status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0],
-			   obj_desc, ACPI_TYPE_EVENT);
+			 obj_desc, ACPI_TYPE_EVENT);
 
 cleanup:
 	/*
@@ -205,7 +204,7 @@ cleanup:
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_mutex
  *
@@ -217,7 +216,7 @@ cleanup:
  *
  *              Mutex (Name[0], sync_level[1])
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_mutex (
@@ -267,20 +266,20 @@ cleanup:
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_region
  *
  * PARAMETERS:  aml_start           - Pointer to the region declaration AML
  *              aml_length          - Max length of the declaration AML
- *              Operands            - List of operands for the opcode
+ *              region_space        - space_iD for the region
  *              walk_state          - Current state
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Create a new operation region object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_region (
@@ -321,7 +320,7 @@ acpi_ex_create_region (
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
-			  acpi_ut_get_region_name (region_space), region_space));
+		acpi_ut_get_region_name (region_space), region_space));
 
 	/* Create the region descriptor */
 
@@ -360,7 +359,7 @@ cleanup:
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_table_region
  *
@@ -370,7 +369,7 @@ cleanup:
  *
  * DESCRIPTION: Create a new data_table_region object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_table_region (
@@ -455,7 +454,7 @@ cleanup:
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_processor
  *
@@ -467,7 +466,7 @@ cleanup:
  *
  *              Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3])
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_processor (
@@ -488,9 +487,8 @@ acpi_ex_create_processor (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
-	/*
-	 * Initialize the processor object from the operands
-	 */
+	/* Initialize the processor object from the operands */
+
 	obj_desc->processor.proc_id = (u8)          operand[1]->integer.value;
 	obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value;
 	obj_desc->processor.length = (u8)           operand[3]->integer.value;
@@ -507,7 +505,7 @@ acpi_ex_create_processor (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_power_resource
  *
@@ -519,7 +517,7 @@ acpi_ex_create_processor (
  *
  *              power_resource (Name[0], system_level[1], resource_order[2])
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_power_resource (
@@ -555,10 +553,10 @@ acpi_ex_create_power_resource (
 	acpi_ut_remove_reference (obj_desc);
 	return_ACPI_STATUS (status);
 }
-
 #endif
 
-/*****************************************************************************
+
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_create_method
  *
@@ -570,7 +568,7 @@ acpi_ex_create_power_resource (
  *
  * DESCRIPTION: Create a new method object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 acpi_status
 acpi_ex_create_method (

drivers/acpi/executer/exdump.c

@@ -51,23 +51,48 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exdump")
 
+/* Local prototypes */
+
+#ifdef ACPI_FUTURE_USAGE
+static void
+acpi_ex_out_string (
+	char                            *title,
+	char                            *value);
+
+static void
+acpi_ex_out_pointer (
+	char                            *title,
+	void                            *value);
+
+static void
+acpi_ex_out_integer (
+	char                            *title,
+	u32                             value);
+
+static void
+acpi_ex_out_address (
+	char                            *title,
+	acpi_physical_address           value);
+#endif	/* ACPI_FUTURE_USAGE */
+
 
 /*
  * The following routines are used for debug output only
  */
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_dump_operand
  *
- * PARAMETERS:  *obj_desc         - Pointer to entry to be dumped
+ * PARAMETERS:  *obj_desc       - Pointer to entry to be dumped
+ *              Depth           - Current nesting depth
  *
  * RETURN:      None
  *
  * DESCRIPTION: Dump an operand object
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 void
 acpi_ex_dump_operand (
@@ -86,9 +111,8 @@ acpi_ex_dump_operand (
 	}
 
 	if (!obj_desc) {
-		/*
-		 * This could be a null element of a package
-		 */
+		/* This could be a null element of a package */
+
 		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Null Object Descriptor\n"));
 		return;
 	}
@@ -117,6 +141,8 @@ acpi_ex_dump_operand (
 		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", obj_desc));
 	}
 
+	/* Decode object type */
+
 	switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
@@ -274,7 +300,9 @@ acpi_ex_dump_operand (
 	case ACPI_TYPE_STRING:
 
 		acpi_os_printf ("String length %X @ %p ",
-			obj_desc->string.length, obj_desc->string.pointer);
+			obj_desc->string.length,
+			obj_desc->string.pointer);
+
 		acpi_ut_print_string (obj_desc->string.pointer, ACPI_UINT8_MAX);
 		acpi_os_printf ("\n");
 		break;
@@ -290,10 +318,13 @@ acpi_ex_dump_operand (
 
 		acpi_os_printf (
 			"region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
-			obj_desc->field.bit_length, obj_desc->field.access_byte_width,
+			obj_desc->field.bit_length,
+			obj_desc->field.access_byte_width,
 			obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
 			obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
-			obj_desc->field.base_byte_offset, obj_desc->field.start_field_bit_offset);
+			obj_desc->field.base_byte_offset,
+			obj_desc->field.start_field_bit_offset);
+
 		acpi_ex_dump_operand (obj_desc->field.region_obj, depth+1);
 		break;
 
@@ -308,13 +339,15 @@ acpi_ex_dump_operand (
 
 		acpi_os_printf (
 			"buffer_field: %X bits at byte %X bit %X of \n",
-			obj_desc->buffer_field.bit_length, obj_desc->buffer_field.base_byte_offset,
+			obj_desc->buffer_field.bit_length,
+			obj_desc->buffer_field.base_byte_offset,
 			obj_desc->buffer_field.start_field_bit_offset);
 
 		if (!obj_desc->buffer_field.buffer_obj) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n"));
 		}
-		else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != ACPI_TYPE_BUFFER) {
+		else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) !=
+				 ACPI_TYPE_BUFFER) {
 			acpi_os_printf ("*not a Buffer* \n");
 		}
 		else {
@@ -331,10 +364,10 @@ acpi_ex_dump_operand (
 
 	case ACPI_TYPE_METHOD:
 
-		acpi_os_printf (
-			"Method(%X) @ %p:%X\n",
+		acpi_os_printf ("Method(%X) @ %p:%X\n",
 			obj_desc->method.param_count,
-			obj_desc->method.aml_start, obj_desc->method.aml_length);
+			obj_desc->method.aml_start,
+			obj_desc->method.aml_length);
 		break;
 
 
@@ -379,7 +412,7 @@ acpi_ex_dump_operand (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_dump_operands
  *
@@ -393,7 +426,7 @@ acpi_ex_dump_operand (
  *
  * DESCRIPTION: Dump the object stack
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 void
 acpi_ex_dump_operands (
@@ -441,10 +474,9 @@ acpi_ex_dump_operands (
 
 
 #ifdef ACPI_FUTURE_USAGE
-
-/*****************************************************************************
+/*******************************************************************************
  *
- * FUNCTION:    acpi_ex_out*
+ * FUNCTION:    acpi_ex_out* functions
  *
  * PARAMETERS:  Title               - Descriptive text
  *              Value               - Value to be displayed
@@ -453,9 +485,9 @@ acpi_ex_dump_operands (
  *              reduce the number of format strings required and keeps them
  *              all in one place for easy modification.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
-void
+static void
 acpi_ex_out_string (
 	char                            *title,
 	char                            *value)
@@ -463,7 +495,7 @@ acpi_ex_out_string (
 	acpi_os_printf ("%20s : %s\n", title, value);
 }
 
-void
+static void
 acpi_ex_out_pointer (
 	char                            *title,
 	void                            *value)
@@ -471,7 +503,7 @@ acpi_ex_out_pointer (
 	acpi_os_printf ("%20s : %p\n", title, value);
 }
 
-void
+static void
 acpi_ex_out_integer (
 	char                            *title,
 	u32                             value)
@@ -479,7 +511,7 @@ acpi_ex_out_integer (
 	acpi_os_printf ("%20s : %X\n", title, value);
 }
 
-void
+static void
 acpi_ex_out_address (
 	char                            *title,
 	acpi_physical_address           value)
@@ -493,16 +525,16 @@ acpi_ex_out_address (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_dump_node
  *
  * PARAMETERS:  *Node               - Descriptor to dump
- *              Flags               - Force display
+ *              Flags               - Force display if TRUE
  *
  * DESCRIPTION: Dumps the members of the given.Node
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 void
 acpi_ex_dump_node (
@@ -531,16 +563,16 @@ acpi_ex_dump_node (
 }
 
 
-/*****************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_ex_dump_object_descriptor
  *
  * PARAMETERS:  *Object             - Descriptor to dump
- *              Flags               - Force display
+ *              Flags               - Force display if TRUE
  *
  * DESCRIPTION: Dumps the members of the object descriptor given.
  *
- ****************************************************************************/
+ ******************************************************************************/
 
 void
 acpi_ex_dump_object_descriptor (
@@ -553,6 +585,10 @@ acpi_ex_dump_object_descriptor (
 	ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
 
 
+	if (!obj_desc) {
+		return_VOID;
+	}
+
 	if (!flags) {
 		if (!((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) {
 			return_VOID;
@@ -747,11 +783,17 @@ acpi_ex_dump_object_descriptor (
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
 		acpi_ex_out_integer ("target_type", obj_desc->reference.target_type);
-		acpi_ex_out_string ("Opcode",       (acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name);
+		acpi_ex_out_string ("Opcode",       (acpi_ps_get_opcode_info (
+				  obj_desc->reference.opcode))->name);
 		acpi_ex_out_integer ("Offset",      obj_desc->reference.offset);
 		acpi_ex_out_pointer ("obj_desc",    obj_desc->reference.object);
 		acpi_ex_out_pointer ("Node",        obj_desc->reference.node);
 		acpi_ex_out_pointer ("Where",       obj_desc->reference.where);
+
+		if (obj_desc->reference.object) {
+			acpi_os_printf ("\nReferenced Object:\n");
+			acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
+		}
 		break;
 
 
@@ -788,6 +830,5 @@ acpi_ex_dump_object_descriptor (
 }
 
 #endif  /*  ACPI_FUTURE_USAGE  */
-
 #endif
 

drivers/acpi/executer/exfield.c

@@ -120,8 +120,8 @@ acpi_ex_read_data_from_field (
 		 * Note: Smbus protocol value is passed in upper 16-bits of Function
 		 */
 		status = acpi_ex_access_region (obj_desc, 0,
-				  ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
-				  ACPI_READ | (obj_desc->field.attribute << 16));
+				 ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
+				 ACPI_READ | (obj_desc->field.attribute << 16));
 		acpi_ex_release_global_lock (locked);
 		goto exit;
 	}
@@ -196,6 +196,7 @@ exit:
  *
  * PARAMETERS:  source_desc         - Contains data to write
  *              obj_desc            - The named field
+ *              result_desc         - Where the return value is returned, if any
  *
  * RETURN:      Status
  *
@@ -250,12 +251,15 @@ acpi_ex_write_data_to_field (
 		if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
 			ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n",
 				acpi_ut_get_object_type_name (source_desc)));
+
 			return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 		}
 
 		if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) {
-			ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n",
+			ACPI_REPORT_ERROR ((
+				"SMBus write requires Buffer of length %X, found length %X\n",
 				ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length));
+
 			return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
 		}
 
@@ -265,14 +269,16 @@ acpi_ex_write_data_to_field (
 		}
 
 		buffer = buffer_desc->buffer.pointer;
-		ACPI_MEMCPY (buffer, source_desc->buffer.pointer, ACPI_SMBUS_BUFFER_SIZE);
+		ACPI_MEMCPY (buffer, source_desc->buffer.pointer,
+			ACPI_SMBUS_BUFFER_SIZE);
 
 		/* Lock entire transaction if requested */
 
 		locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
 
 		/*
-		 * Perform the write (returns status and perhaps data in the same buffer)
+		 * Perform the write (returns status and perhaps data in the
+		 * same buffer)
 		 * Note: SMBus protocol type is passed in upper 16-bits of Function.
 		 */
 		status = acpi_ex_access_region (obj_desc, 0,
@@ -284,9 +290,8 @@ acpi_ex_write_data_to_field (
 		return_ACPI_STATUS (status);
 	}
 
-	/*
-	 * Get a pointer to the data to be written
-	 */
+	/* Get a pointer to the data to be written */
+
 	switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
 	case ACPI_TYPE_INTEGER:
 		buffer = &source_desc->integer.value;
@@ -314,7 +319,8 @@ acpi_ex_write_data_to_field (
 	 * the ACPI specification.
 	 */
 	new_buffer = NULL;
-	required_length = ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->common_field.bit_length);
+	required_length = ACPI_ROUND_BITS_UP_TO_BYTES (
+			   obj_desc->common_field.bit_length);
 
 	if (length < required_length) {
 		/* We need to create a new buffer */
@@ -338,6 +344,7 @@ acpi_ex_write_data_to_field (
 		"field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
 		source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)),
 		ACPI_GET_OBJECT_TYPE (source_desc), buffer, length));
+
 	ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 		"field_write [TO]:  Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
 		obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)),

drivers/acpi/executer/exfldio.c

@@ -52,12 +52,31 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exfldio")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ex_field_datum_io (
+	union acpi_operand_object       *obj_desc,
+	u32                             field_datum_byte_offset,
+	acpi_integer                    *value,
+	u32                             read_write);
+
+static u8
+acpi_ex_register_overflow (
+	union acpi_operand_object       *obj_desc,
+	acpi_integer                    value);
+
+static acpi_status
+acpi_ex_setup_region (
+	union acpi_operand_object       *obj_desc,
+	u32                             field_datum_byte_offset);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ex_setup_region
  *
- * PARAMETERS:  *obj_desc               - Field to be read or written
+ * PARAMETERS:  obj_desc                - Field to be read or written
  *              field_datum_byte_offset - Byte offset of this datum within the
  *                                        parent field
  *
@@ -69,7 +88,7 @@
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_setup_region (
 	union acpi_operand_object       *obj_desc,
 	u32                             field_datum_byte_offset)
@@ -127,9 +146,9 @@ acpi_ex_setup_region (
 	 * length of one field datum (access width) must fit within the region.
 	 * (Region length is specified in bytes)
 	 */
-	if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset
-			   + field_datum_byte_offset
-			   + obj_desc->common_field.access_byte_width)) {
+	if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset +
+			   field_datum_byte_offset +
+			   obj_desc->common_field.access_byte_width)) {
 		if (acpi_gbl_enable_interpreter_slack) {
 			/*
 			 * Slack mode only:  We will go ahead and allow access to this
@@ -155,7 +174,8 @@ acpi_ex_setup_region (
 				"Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n",
 				acpi_ut_get_node_name (obj_desc->common_field.node),
 				obj_desc->common_field.access_byte_width,
-				acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length));
+				acpi_ut_get_node_name (rgn_desc->region.node),
+				rgn_desc->region.length));
 		}
 
 		/*
@@ -167,7 +187,8 @@ acpi_ex_setup_region (
 			acpi_ut_get_node_name (obj_desc->common_field.node),
 			obj_desc->common_field.base_byte_offset,
 			field_datum_byte_offset, obj_desc->common_field.access_byte_width,
-			acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length));
+			acpi_ut_get_node_name (rgn_desc->region.node),
+			rgn_desc->region.length));
 
 		return_ACPI_STATUS (AE_AML_REGION_LIMIT);
 	}
@@ -180,10 +201,10 @@ acpi_ex_setup_region (
  *
  * FUNCTION:    acpi_ex_access_region
  *
- * PARAMETERS:  *obj_desc               - Field to be read
+ * PARAMETERS:  obj_desc                - Field to be read
  *              field_datum_byte_offset - Byte offset of this datum within the
  *                                        parent field
- *              *Value                  - Where to store value (must at least
+ *              Value                   - Where to store value (must at least
  *                                        the size of acpi_integer)
  *              Function                - Read or Write flag plus other region-
  *                                        dependent flags
@@ -226,9 +247,9 @@ acpi_ex_access_region (
 	 * 3) The current offset into the field
 	 */
 	rgn_desc = obj_desc->common_field.region_obj;
-	address = rgn_desc->region.address
-			 + obj_desc->common_field.base_byte_offset
-			 + field_datum_byte_offset;
+	address = rgn_desc->region.address +
+			 obj_desc->common_field.base_byte_offset +
+			 field_datum_byte_offset;
 
 	if ((function & ACPI_IO_MASK) == ACPI_READ) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[READ]"));
@@ -249,7 +270,8 @@ acpi_ex_access_region (
 	/* Invoke the appropriate address_space/op_region handler */
 
 	status = acpi_ev_address_space_dispatch (rgn_desc, function,
-			  address, ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value);
+			 address,
+			 ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value);
 
 	if (ACPI_FAILURE (status)) {
 		if (status == AE_NOT_IMPLEMENTED) {
@@ -274,7 +296,7 @@ acpi_ex_access_region (
  *
  * FUNCTION:    acpi_ex_register_overflow
  *
- * PARAMETERS:  *obj_desc               - Register(Field) to be written
+ * PARAMETERS:  obj_desc                - Register(Field) to be written
  *              Value                   - Value to be stored
  *
  * RETURN:      TRUE if value overflows the field, FALSE otherwise
@@ -287,7 +309,7 @@ acpi_ex_access_region (
  *
  ******************************************************************************/
 
-u8
+static u8
 acpi_ex_register_overflow (
 	union acpi_operand_object       *obj_desc,
 	acpi_integer                    value)
@@ -319,10 +341,10 @@ acpi_ex_register_overflow (
  *
  * FUNCTION:    acpi_ex_field_datum_io
  *
- * PARAMETERS:  *obj_desc               - Field to be read
+ * PARAMETERS:  obj_desc                - Field to be read
  *              field_datum_byte_offset - Byte offset of this datum within the
  *                                        parent field
- *              *Value                  - Where to store value (must be 64 bits)
+ *              Value                   - Where to store value (must be 64 bits)
  *              read_write              - Read or Write flag
  *
  * RETURN:      Status
@@ -333,7 +355,7 @@ acpi_ex_register_overflow (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_field_datum_io (
 	union acpi_operand_object       *obj_desc,
 	u32                             field_datum_byte_offset,
@@ -350,7 +372,9 @@ acpi_ex_field_datum_io (
 	if (read_write == ACPI_READ) {
 		if (!value) {
 			local_value = 0;
-			value = &local_value; /* To support reads without saving return value */
+
+			/* To support reads without saving return value */
+			value = &local_value;
 		}
 
 		/* Clear the entire return buffer first, [Very Important!] */
@@ -363,8 +387,10 @@ acpi_ex_field_datum_io (
 	 *
 	 * buffer_field - Read/write from/to a Buffer
 	 * region_field - Read/write from/to a Operation Region.
-	 * bank_field  - Write to a Bank Register, then read/write from/to an op_region
-	 * index_field - Write to an Index Register, then read/write from/to a Data Register
+	 * bank_field  - Write to a Bank Register, then read/write from/to an
+	 *               operation_region
+	 * index_field - Write to an Index Register, then read/write from/to a
+	 *               Data Register
 	 */
 	switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
 	case ACPI_TYPE_BUFFER_FIELD:
@@ -384,19 +410,20 @@ acpi_ex_field_datum_io (
 			 * Copy the data from the source buffer.
 			 * Length is the field width in bytes.
 			 */
-			ACPI_MEMCPY (value, (obj_desc->buffer_field.buffer_obj)->buffer.pointer
-					  + obj_desc->buffer_field.base_byte_offset
-					  + field_datum_byte_offset,
-					  obj_desc->common_field.access_byte_width);
+			ACPI_MEMCPY (value,
+				(obj_desc->buffer_field.buffer_obj)->buffer.pointer +
+					obj_desc->buffer_field.base_byte_offset +
+					field_datum_byte_offset,
+				obj_desc->common_field.access_byte_width);
 		}
 		else {
 			/*
 			 * Copy the data to the target buffer.
 			 * Length is the field width in bytes.
 			 */
-			ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer
-					+ obj_desc->buffer_field.base_byte_offset
-					+ field_datum_byte_offset,
+			ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer +
+					obj_desc->buffer_field.base_byte_offset +
+					field_datum_byte_offset,
 					value, obj_desc->common_field.access_byte_width);
 		}
 
@@ -406,8 +433,10 @@ acpi_ex_field_datum_io (
 
 	case ACPI_TYPE_LOCAL_BANK_FIELD:
 
-		/* Ensure that the bank_value is not beyond the capacity of the register */
-
+		/*
+		 * Ensure that the bank_value is not beyond the capacity of
+		 * the register
+		 */
 		if (acpi_ex_register_overflow (obj_desc->bank_field.bank_obj,
 				  (acpi_integer) obj_desc->bank_field.value)) {
 			return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
@@ -445,8 +474,10 @@ acpi_ex_field_datum_io (
 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
 
-		/* Ensure that the index_value is not beyond the capacity of the register */
-
+		/*
+		 * Ensure that the index_value is not beyond the capacity of
+		 * the register
+		 */
 		if (acpi_ex_register_overflow (obj_desc->index_field.index_obj,
 				  (acpi_integer) obj_desc->index_field.value)) {
 			return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
@@ -496,14 +527,16 @@ acpi_ex_field_datum_io (
 
 	if (ACPI_SUCCESS (status)) {
 		if (read_write == ACPI_READ) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Read %8.8X%8.8X, Width %d\n",
-					   ACPI_FORMAT_UINT64 (*value),
-					   obj_desc->common_field.access_byte_width));
+			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+				"Value Read %8.8X%8.8X, Width %d\n",
+				ACPI_FORMAT_UINT64 (*value),
+				obj_desc->common_field.access_byte_width));
 		}
 		else {
-			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Written %8.8X%8.8X, Width %d\n",
-					   ACPI_FORMAT_UINT64 (*value),
-					   obj_desc->common_field.access_byte_width));
+			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+				"Value Written %8.8X%8.8X, Width %d\n",
+				ACPI_FORMAT_UINT64 (*value),
+				obj_desc->common_field.access_byte_width));
 		}
 	}
 
@@ -515,8 +548,10 @@ acpi_ex_field_datum_io (
  *
  * FUNCTION:    acpi_ex_write_with_update_rule
  *
- * PARAMETERS:  *obj_desc           - Field to be set
- *              Value               - Value to store
+ * PARAMETERS:  obj_desc                - Field to be written
+ *              Mask                    - bitmask within field datum
+ *              field_value             - Value to write
+ *              field_datum_byte_offset - Offset of datum within field
  *
  * RETURN:      Status
  *
@@ -689,7 +724,8 @@ acpi_ex_extract_from_field (
 		/* Merge with previous datum if necessary */
 
 		merged_datum |= raw_datum <<
-			(obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset);
+			(obj_desc->common_field.access_bit_width -
+				obj_desc->common_field.start_field_bit_offset);
 
 		if (i == datum_count) {
 			break;
@@ -707,7 +743,8 @@ acpi_ex_extract_from_field (
 
 	/* Mask off any extra bits in the last datum */
 
-	buffer_tail_bits = obj_desc->common_field.bit_length % obj_desc->common_field.access_bit_width;
+	buffer_tail_bits = obj_desc->common_field.bit_length %
+			   obj_desc->common_field.access_bit_width;
 	if (buffer_tail_bits) {
 		merged_datum &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits);
 	}
@@ -791,7 +828,8 @@ acpi_ex_insert_into_field (
 		/* Write merged datum to the target field */
 
 		merged_datum &= mask;
-		status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset);
+		status = acpi_ex_write_with_update_rule (obj_desc, mask,
+				 merged_datum, field_offset);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -800,7 +838,8 @@ acpi_ex_insert_into_field (
 
 		field_offset += obj_desc->common_field.access_byte_width;
 		merged_datum = raw_datum >>
-			(obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset);
+			(obj_desc->common_field.access_bit_width -
+				obj_desc->common_field.start_field_bit_offset);
 		mask = ACPI_INTEGER_MAX;
 
 		if (i == datum_count) {
@@ -819,7 +858,8 @@ acpi_ex_insert_into_field (
 	/* Mask off any extra bits in the last datum */
 
 	buffer_tail_bits = (obj_desc->common_field.bit_length +
-			obj_desc->common_field.start_field_bit_offset) % obj_desc->common_field.access_bit_width;
+			obj_desc->common_field.start_field_bit_offset) %
+				obj_desc->common_field.access_bit_width;
 	if (buffer_tail_bits) {
 		mask &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits);
 	}
@@ -827,7 +867,8 @@ acpi_ex_insert_into_field (
 	/* Write the last datum to the field */
 
 	merged_datum &= mask;
-	status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset);
+	status = acpi_ex_write_with_update_rule (obj_desc,
+			 mask, merged_datum, field_offset);
 
 	return_ACPI_STATUS (status);
 }

drivers/acpi/executer/exmisc.c

@@ -139,8 +139,9 @@ acpi_ex_get_object_reference (
 	reference_obj->reference.object = referenced_obj;
 	*return_desc = reference_obj;
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p Type [%s], returning Reference %p\n",
-			obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc));
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+		"Object %p Type [%s], returning Reference %p\n",
+		obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc));
 
 	return_ACPI_STATUS (AE_OK);
 }
@@ -456,7 +457,7 @@ acpi_ex_do_math_op (
 		return (integer0 * integer1);
 
 
-	case AML_SHIFT_LEFT_OP:         /* shift_left (Operand, shift_count, Result) */
+	case AML_SHIFT_LEFT_OP:         /* shift_left (Operand, shift_count, Result)*/
 
 		return (integer0 << integer1);
 

drivers/acpi/executer/exmutex.c

@@ -49,6 +49,13 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exmutex")
 
+/* Local prototypes */
+
+static void
+acpi_ex_link_mutex (
+	union acpi_operand_object       *obj_desc,
+	struct acpi_thread_state        *thread);
+
 
 /*******************************************************************************
  *
@@ -56,7 +63,7 @@
  *
  * PARAMETERS:  obj_desc            - The mutex to be unlinked
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Remove a mutex from the "acquired_mutex" list
  *
@@ -92,16 +99,16 @@ acpi_ex_unlink_mutex (
  *
  * FUNCTION:    acpi_ex_link_mutex
  *
- * PARAMETERS:  obj_desc            - The mutex to be linked
- *              list_head           - head of the "acquired_mutex" list
+ * PARAMETERS:  obj_desc        - The mutex to be linked
+ *              Thread          - Current executing thread object
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk
  *
  ******************************************************************************/
 
-void
+static void
 acpi_ex_link_mutex (
 	union acpi_operand_object       *obj_desc,
 	struct acpi_thread_state        *thread)
@@ -132,8 +139,9 @@ acpi_ex_link_mutex (
  *
  * FUNCTION:    acpi_ex_acquire_mutex
  *
- * PARAMETERS:  time_desc           - The 'time to delay' object descriptor
- *              obj_desc            - The object descriptor for this op
+ * PARAMETERS:  time_desc           - Timeout integer
+ *              obj_desc            - Mutex object
+ *              walk_state          - Current method execution state
  *
  * RETURN:      Status
  *
@@ -161,7 +169,7 @@ acpi_ex_acquire_mutex (
 
 	if (!walk_state->thread) {
 		ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n",
-				acpi_ut_get_node_name (obj_desc->mutex.node)));
+			acpi_ut_get_node_name (obj_desc->mutex.node)));
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
@@ -170,8 +178,9 @@ acpi_ex_acquire_mutex (
 	 * mutex.  This mechanism provides some deadlock prevention
 	 */
 	if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
-		ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], incorrect sync_level\n",
-				acpi_ut_get_node_name (obj_desc->mutex.node)));
+		ACPI_REPORT_ERROR ((
+			"Cannot acquire Mutex [%4.4s], incorrect sync_level\n",
+			acpi_ut_get_node_name (obj_desc->mutex.node)));
 		return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
 	}
 
@@ -180,8 +189,10 @@ acpi_ex_acquire_mutex (
 	if (obj_desc->mutex.owner_thread) {
 		/* Special case for Global Lock, allow all threads */
 
-		if ((obj_desc->mutex.owner_thread->thread_id == walk_state->thread->thread_id) ||
-			(obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore)) {
+		if ((obj_desc->mutex.owner_thread->thread_id ==
+				walk_state->thread->thread_id)      ||
+			(obj_desc->mutex.semaphore ==
+				acpi_gbl_global_lock_semaphore)) {
 			/*
 			 * The mutex is already owned by this thread,
 			 * just increment the acquisition depth
@@ -221,6 +232,7 @@ acpi_ex_acquire_mutex (
  * FUNCTION:    acpi_ex_release_mutex
  *
  * PARAMETERS:  obj_desc            - The object descriptor for this op
+ *              walk_state          - Current method execution state
  *
  * RETURN:      Status
  *
@@ -278,8 +290,9 @@ acpi_ex_release_mutex (
 	 * equal to the current sync level
 	 */
 	if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
-		ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], incorrect sync_level\n",
-				acpi_ut_get_node_name (obj_desc->mutex.node)));
+		ACPI_REPORT_ERROR ((
+			"Cannot release Mutex [%4.4s], incorrect sync_level\n",
+			acpi_ut_get_node_name (obj_desc->mutex.node)));
 		return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
 	}
 
@@ -313,11 +326,11 @@ acpi_ex_release_mutex (
  *
  * FUNCTION:    acpi_ex_release_all_mutexes
  *
- * PARAMETERS:  mutex_list            - Head of the mutex list
+ * PARAMETERS:  Thread          - Current executing thread object
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Release all mutexes in the list
+ * DESCRIPTION: Release all mutexes held by this thread
  *
  ******************************************************************************/
 

drivers/acpi/executer/exnames.c

@@ -50,13 +50,17 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exnames")
 
+/* Local prototypes */
 
-/* AML Package Length encodings */
+static char *
+acpi_ex_allocate_name_string (
+	u32                             prefix_count,
+	u32                             num_name_segs);
 
-#define ACPI_AML_PACKAGE_TYPE1   0x40
-#define ACPI_AML_PACKAGE_TYPE2   0x4000
-#define ACPI_AML_PACKAGE_TYPE3   0x400000
-#define ACPI_AML_PACKAGE_TYPE4   0x40000000
+static acpi_status
+acpi_ex_name_segment (
+	u8                              **in_aml_address,
+	char                            *name_string);
 
 
 /*******************************************************************************
@@ -64,7 +68,7 @@
  * FUNCTION:    acpi_ex_allocate_name_string
  *
  * PARAMETERS:  prefix_count        - Count of parent levels. Special cases:
- *                                    (-1) = root,  0 = none
+ *                                    (-1)==root,  0==none
  *              num_name_segs       - count of 4-character name segments
  *
  * RETURN:      A pointer to the allocated string segment.  This segment must
@@ -75,7 +79,7 @@
  *
  ******************************************************************************/
 
-char *
+static char *
 acpi_ex_allocate_name_string (
 	u32                             prefix_count,
 	u32                             num_name_segs)
@@ -88,7 +92,7 @@ acpi_ex_allocate_name_string (
 
 
 	/*
-	 * Allow room for all \ and ^ prefixes, all segments, and a multi_name_prefix.
+	 * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
 	 * Also, one byte for the null terminator.
 	 * This may actually be somewhat longer than needed.
 	 */
@@ -107,7 +111,8 @@ acpi_ex_allocate_name_string (
 	 */
 	name_string = ACPI_MEM_ALLOCATE (size_needed);
 	if (!name_string) {
-		ACPI_REPORT_ERROR (("ex_allocate_name_string: Could not allocate size %d\n", size_needed));
+		ACPI_REPORT_ERROR ((
+			"ex_allocate_name_string: Could not allocate size %d\n", size_needed));
 		return_PTR (NULL);
 	}
 
@@ -152,15 +157,17 @@ acpi_ex_allocate_name_string (
  *
  * FUNCTION:    acpi_ex_name_segment
  *
- * PARAMETERS:  interpreter_mode    - Current running mode (load1/Load2/Exec)
+ * PARAMETERS:  in_aml_address  - Pointer to the name in the AML code
+ *              name_string     - Where to return the name. The name is appended
+ *                                to any existing string to form a namepath
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Execute a name segment (4 bytes)
+ * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_name_segment (
 	u8                              **in_aml_address,
 	char                            *name_string)
@@ -223,10 +230,13 @@ acpi_ex_name_segment (
 		status = AE_CTRL_PENDING;
 	}
 	else {
-		/* Segment started with one or more valid characters, but fewer than 4 */
-
+		/*
+		 * Segment started with one or more valid characters, but fewer than
+		 * the required 4
+		 */
 		status = AE_AML_BAD_NAME;
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad character %02x in name, at %p\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Bad character %02x in name, at %p\n",
 			*aml_address, aml_address));
 	}
 
@@ -239,11 +249,16 @@ acpi_ex_name_segment (
  *
  * FUNCTION:    acpi_ex_get_name_string
  *
- * PARAMETERS:  data_type           - Data type to be associated with this name
+ * PARAMETERS:  data_type           - Object type to be associated with this
+ *                                    name
+ *              in_aml_address      - Pointer to the namestring in the AML code
+ *              out_name_string     - Where the namestring is returned
+ *              out_name_length     - Length of the returned string
  *
- * RETURN:      Status
+ * RETURN:      Status, namestring and length
  *
- * DESCRIPTION: Get a name, including any prefixes.
+ * DESCRIPTION: Extract a full namepath from the AML byte stream,
+ *              including any prefixes.
  *
  ******************************************************************************/
 
@@ -286,7 +301,8 @@ acpi_ex_get_name_string (
 		switch (*aml_address) {
 		case AML_ROOT_PREFIX:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n", aml_address));
+			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n",
+				aml_address));
 
 			/*
 			 * Remember that we have a root_prefix --
@@ -303,7 +319,8 @@ acpi_ex_get_name_string (
 			/* Increment past possibly multiple parent prefixes */
 
 			do {
-				ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n", aml_address));
+				ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n",
+					aml_address));
 
 				aml_address++;
 				prefix_count++;
@@ -321,13 +338,13 @@ acpi_ex_get_name_string (
 			break;
 		}
 
-
 		/* Examine first character of name for name segment prefix operator */
 
 		switch (*aml_address) {
 		case AML_DUAL_NAME_PREFIX:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n", aml_address));
+			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n",
+				aml_address));
 
 			aml_address++;
 			name_string = acpi_ex_allocate_name_string (prefix_count, 2);
@@ -349,7 +366,8 @@ acpi_ex_get_name_string (
 
 		case AML_MULTI_NAME_PREFIX_OP:
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n", aml_address));
+			ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n",
+				aml_address));
 
 			/* Fetch count of segments remaining in name path */
 
@@ -368,7 +386,8 @@ acpi_ex_get_name_string (
 			has_prefix = TRUE;
 
 			while (num_segments &&
-					(status = acpi_ex_name_segment (&aml_address, name_string)) == AE_OK) {
+					(status = acpi_ex_name_segment (&aml_address, name_string)) ==
+						AE_OK) {
 				num_segments--;
 			}
 
@@ -380,7 +399,8 @@ acpi_ex_get_name_string (
 			/* null_name valid as of 8-12-98 ASL/AML Grammar Update */
 
 			if (prefix_count == ACPI_UINT32_MAX) {
-				ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "name_seg is \"\\\" followed by NULL\n"));
+				ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+					"name_seg is \"\\\" followed by NULL\n"));
 			}
 
 			/* Consume the NULL byte */

drivers/acpi/executer/exoparg1.c

@@ -97,7 +97,8 @@ acpi_ex_opcode_0A_0T_1R (
 	union acpi_operand_object       *return_desc = NULL;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	/* Examine the AML opcode */
@@ -161,7 +162,8 @@ acpi_ex_opcode_1A_0T_0R (
 	acpi_status                     status = AE_OK;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	/* Examine the AML opcode */
@@ -236,7 +238,8 @@ acpi_ex_opcode_1A_1T_0R (
 	union acpi_operand_object       **operand = &walk_state->operands[0];
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	/* Examine the AML opcode */
@@ -289,7 +292,8 @@ acpi_ex_opcode_1A_1T_1R (
 	acpi_integer                    digit;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	/* Examine the AML opcode */
@@ -409,8 +413,10 @@ acpi_ex_opcode_1A_1T_1R (
 			for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) {
 				(void) acpi_ut_short_divide (digit, 10, &digit, &temp32);
 
-				/* Insert the BCD digit that resides in the remainder from above */
-
+				/*
+				 * Insert the BCD digit that resides in the
+				 * remainder from above
+				 */
 				return_desc->integer.value |= (((acpi_integer) temp32) <<
 						   ACPI_MUL_4 (i));
 			}
@@ -445,7 +451,8 @@ acpi_ex_opcode_1A_1T_1R (
 
 			/* Get the object reference, store it, and remove our reference */
 
-			status = acpi_ex_get_object_reference (operand[0], &return_desc2, walk_state);
+			status = acpi_ex_get_object_reference (operand[0],
+					 &return_desc2, walk_state);
 			if (ACPI_FAILURE (status)) {
 				goto cleanup;
 			}
@@ -482,10 +489,10 @@ acpi_ex_opcode_1A_1T_1R (
 
 		if (!walk_state->result_obj) {
 			/*
-			 * Normally, we would remove a reference on the Operand[0] parameter;
-			 * But since it is being used as the internal return object
-			 * (meaning we would normally increment it), the two cancel out,
-			 * and we simply don't do anything.
+			 * Normally, we would remove a reference on the Operand[0]
+			 * parameter; But since it is being used as the internal return
+			 * object (meaning we would normally increment it), the two
+			 * cancel out, and we simply don't do anything.
 			 */
 			walk_state->result_obj = operand[0];
 			walk_state->operands[0] = NULL; /* Prevent deletion */
@@ -549,9 +556,8 @@ acpi_ex_opcode_1A_1T_1R (
 	case AML_SHIFT_LEFT_BIT_OP:     /* shift_left_bit (Source, bit_num) */
 	case AML_SHIFT_RIGHT_BIT_OP:    /* shift_right_bit (Source, bit_num) */
 
-		/*
-		 * These are two obsolete opcodes
-		 */
+		/* These are two obsolete opcodes */
+
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 			"%s is obsolete and not implemented\n",
 			acpi_ps_get_opcode_name (walk_state->opcode)));
@@ -568,9 +574,8 @@ acpi_ex_opcode_1A_1T_1R (
 	}
 
 	if (ACPI_SUCCESS (status)) {
-		/*
-		 * Store the return value computed above into the target object
-		 */
+		/* Store the return value computed above into the target object */
+
 		status = acpi_ex_store (return_desc, operand[1], walk_state);
 	}
 
@@ -615,7 +620,8 @@ acpi_ex_opcode_1A_0T_1R (
 	acpi_integer                    value;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	/* Examine the AML opcode */
@@ -706,9 +712,9 @@ acpi_ex_opcode_1A_0T_1R (
 
 		/*
 		 * Note: The operand is not resolved at this point because we want to
-		 * get the associated object, not its value.  For example, we don't want
-		 * to resolve a field_unit to its value, we want the actual field_unit
-		 * object.
+		 * get the associated object, not its value.  For example, we don't
+		 * want to resolve a field_unit to its value, we want the actual
+		 * field_unit object.
 		 */
 
 		/* Get the type of the base object */
@@ -738,7 +744,8 @@ acpi_ex_opcode_1A_0T_1R (
 
 		/* Get the base object */
 
-		status = acpi_ex_resolve_multiple (walk_state, operand[0], &type, &temp_desc);
+		status = acpi_ex_resolve_multiple (walk_state,
+				 operand[0], &type, &temp_desc);
 		if (ACPI_FAILURE (status)) {
 			goto cleanup;
 		}
@@ -818,8 +825,10 @@ acpi_ex_opcode_1A_0T_1R (
 
 					/* Set Operand[0] to the value of the local/arg */
 
-					status = acpi_ds_method_data_get_value (operand[0]->reference.opcode,
-							 operand[0]->reference.offset, walk_state, &temp_desc);
+					status = acpi_ds_method_data_get_value (
+							 operand[0]->reference.opcode,
+							 operand[0]->reference.offset,
+							 walk_state, &temp_desc);
 					if (ACPI_FAILURE (status)) {
 						goto cleanup;
 					}
@@ -852,21 +861,26 @@ acpi_ex_opcode_1A_0T_1R (
 			case ACPI_TYPE_STRING:
 
 				/*
-				 * This is a deref_of (String). The string is a reference to a named ACPI object.
+				 * This is a deref_of (String). The string is a reference
+				 * to a named ACPI object.
 				 *
 				 * 1) Find the owning Node
-				 * 2) Dereference the node to an actual object.  Could be a Field, so we nee
-				 *    to resolve the node to a value.
+				 * 2) Dereference the node to an actual object.  Could be a
+				 *    Field, so we need to resolve the node to a value.
 				 */
 				status = acpi_ns_get_node_by_path (operand[0]->string.pointer,
-						  walk_state->scope_info->scope.node, ACPI_NS_SEARCH_PARENT,
-						  ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc));
+						 walk_state->scope_info->scope.node,
+						 ACPI_NS_SEARCH_PARENT,
+						 ACPI_CAST_INDIRECT_PTR (
+								struct acpi_namespace_node, &return_desc));
 				if (ACPI_FAILURE (status)) {
 					goto cleanup;
 				}
 
 				status = acpi_ex_resolve_node_to_value (
-						  ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc), walk_state);
+						  ACPI_CAST_INDIRECT_PTR (
+								 struct acpi_namespace_node, &return_desc),
+								walk_state);
 				goto cleanup;
 
 
@@ -883,14 +897,16 @@ acpi_ex_opcode_1A_0T_1R (
 			/*
 			 * This is a deref_of (object_reference)
 			 * Get the actual object from the Node (This is the dereference).
-			 * -- This case may only happen when a local_x or arg_x is dereferenced above.
+			 * This case may only happen when a local_x or arg_x is
+			 * dereferenced above.
 			 */
-			return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) operand[0]);
+			return_desc = acpi_ns_get_attached_object (
+					  (struct acpi_namespace_node *) operand[0]);
 		}
 		else {
 			/*
-			 * This must be a reference object produced by either the Index() or
-			 * ref_of() operator
+			 * This must be a reference object produced by either the
+			 * Index() or ref_of() operator
 			 */
 			switch (operand[0]->reference.opcode) {
 			case AML_INDEX_OP:
@@ -931,8 +947,8 @@ acpi_ex_opcode_1A_0T_1R (
 				case ACPI_TYPE_PACKAGE:
 
 					/*
-					 * Return the referenced element of the package.  We must add
-					 * another reference to the referenced object, however.
+					 * Return the referenced element of the package.  We must
+					 * add another reference to the referenced object, however.
 					 */
 					return_desc = *(operand[0]->reference.where);
 					if (!return_desc) {
@@ -967,9 +983,11 @@ acpi_ex_opcode_1A_0T_1R (
 
 				return_desc = operand[0]->reference.object;
 
-				if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) == ACPI_DESC_TYPE_NAMED) {
+				if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) ==
+						ACPI_DESC_TYPE_NAMED) {
 
-					return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) return_desc);
+					return_desc = acpi_ns_get_attached_object (
+							  (struct acpi_namespace_node *) return_desc);
 				}
 
 				/* Add another reference to the object! */

drivers/acpi/executer/exoparg2.c

@@ -118,7 +118,7 @@ acpi_ex_opcode_2A_0T_0R (
 
 		value = (u32) operand[1]->integer.value;
 
-		/* Notifies allowed on this object? */
+		/* Are notifies allowed on this object? */
 
 		if (!acpi_ev_is_notify_object (node)) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
@@ -203,11 +203,12 @@ acpi_ex_opcode_2A_2T_1R (
 		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
-	/*
-	 * Execute the opcode
-	 */
+	/* Execute the opcode */
+
 	switch (walk_state->opcode) {
-	case AML_DIVIDE_OP:             /* Divide (Dividend, Divisor, remainder_result quotient_result) */
+	case AML_DIVIDE_OP:
+
+		/* Divide (Dividend, Divisor, remainder_result quotient_result) */
 
 		return_desc1 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
 		if (!return_desc1) {
@@ -241,7 +242,6 @@ acpi_ex_opcode_2A_2T_1R (
 		goto cleanup;
 	}
 
-
 	/* Store the results to the target reference operands */
 
 	status = acpi_ex_store (return_desc2, operand[2], walk_state);
@@ -295,7 +295,7 @@ acpi_ex_opcode_2A_1T_1R (
 {
 	union acpi_operand_object       **operand = &walk_state->operands[0];
 	union acpi_operand_object       *return_desc = NULL;
-	u32                             index;
+	acpi_integer                    index;
 	acpi_status                     status = AE_OK;
 	acpi_size                       length;
 
@@ -304,9 +304,8 @@ acpi_ex_opcode_2A_1T_1R (
 		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
-	/*
-	 * Execute the opcode
-	 */
+	/* Execute the opcode */
+
 	if (walk_state->op_info->flags & AML_MATH) {
 		/* All simple math opcodes (add, etc.) */
 
@@ -322,9 +321,8 @@ acpi_ex_opcode_2A_1T_1R (
 		goto store_result_to_target;
 	}
 
-
 	switch (walk_state->opcode) {
-	case AML_MOD_OP:                /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
+	case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
 
 		return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
 		if (!return_desc) {
@@ -341,18 +339,19 @@ acpi_ex_opcode_2A_1T_1R (
 		break;
 
 
-	case AML_CONCAT_OP:             /* Concatenate (Data1, Data2, Result) */
+	case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
 
 		status = acpi_ex_do_concatenate (operand[0], operand[1],
 				 &return_desc, walk_state);
 		break;
 
 
-	case AML_TO_STRING_OP:          /* to_string (Buffer, Length, Result) (ACPI 2.0) */
+	case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
 
 		/*
 		 * Input object is guaranteed to be a buffer at this point (it may have
-		 * been converted.)  Copy the raw buffer data to a new object of type String.
+		 * been converted.)  Copy the raw buffer data to a new object of
+		 * type String.
 		 */
 
 		/*
@@ -383,14 +382,16 @@ acpi_ex_opcode_2A_1T_1R (
 			goto cleanup;
 		}
 
-		/* Copy the raw buffer data with no transform. NULL terminated already. */
+		/* Copy the raw buffer data with no transform. NULL terminated already*/
 
 		ACPI_MEMCPY (return_desc->string.pointer,
 			operand[0]->buffer.pointer, length);
 		break;
 
 
-	case AML_CONCAT_RES_OP:         /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */
+	case AML_CONCAT_RES_OP:
+
+		/* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */
 
 		status = acpi_ex_concat_template (operand[0], operand[1],
 				 &return_desc, walk_state);
@@ -407,33 +408,33 @@ acpi_ex_opcode_2A_1T_1R (
 			goto cleanup;
 		}
 
-		index = (u32) operand[1]->integer.value;
+		index = operand[1]->integer.value;
+
+		/* At this point, the Source operand is a Package, Buffer, or String */
 
-		/*
-		 * At this point, the Source operand is a Package, Buffer, or String
-		 */
 		if (ACPI_GET_OBJECT_TYPE (operand[0]) == ACPI_TYPE_PACKAGE) {
 			/* Object to be indexed is a Package */
 
 			if (index >= operand[0]->package.count) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"Index value (%X) beyond package end (%X)\n",
-					index, operand[0]->package.count));
+					"Index value (%X%8.8X) beyond package end (%X)\n",
+					ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
 				status = AE_AML_PACKAGE_LIMIT;
 				goto cleanup;
 			}
 
 			return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
 			return_desc->reference.object    = operand[0];
-			return_desc->reference.where     = &operand[0]->package.elements [index];
+			return_desc->reference.where     = &operand[0]->package.elements [
+					  index];
 		}
 		else {
 			/* Object to be indexed is a Buffer/String */
 
 			if (index >= operand[0]->buffer.length) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"Index value (%X) beyond end of buffer (%X)\n",
-					index, operand[0]->buffer.length));
+					"Index value (%X%8.8X) beyond end of buffer (%X)\n",
+					ACPI_FORMAT_UINT64 (index), operand[0]->buffer.length));
 				status = AE_AML_BUFFER_LIMIT;
 				goto cleanup;
 			}
@@ -451,7 +452,7 @@ acpi_ex_opcode_2A_1T_1R (
 		/* Complete the Index reference object */
 
 		return_desc->reference.opcode    = AML_INDEX_OP;
-		return_desc->reference.offset    = index;
+		return_desc->reference.offset    = (u32) index;
 
 		/* Store the reference to the Target */
 
@@ -536,22 +537,24 @@ acpi_ex_opcode_2A_0T_1R (
 		goto cleanup;
 	}
 
-	/*
-	 * Execute the Opcode
-	 */
-	if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) /* logical_op (Operand0, Operand1) */ {
+	/* Execute the Opcode */
+
+	if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
+		/* logical_op (Operand0, Operand1) */
+
 		status = acpi_ex_do_logical_numeric_op (walk_state->opcode,
 				  operand[0]->integer.value, operand[1]->integer.value,
 				  &logical_result);
 		goto store_logical_result;
 	}
-	else if (walk_state->op_info->flags & AML_LOGICAL)  /* logical_op (Operand0, Operand1) */ {
+	else if (walk_state->op_info->flags & AML_LOGICAL) {
+		/* logical_op (Operand0, Operand1) */
+
 		status = acpi_ex_do_logical_op (walk_state->opcode, operand[0],
 				 operand[1], &logical_result);
 		goto store_logical_result;
 	}
 
-
 	switch (walk_state->opcode) {
 	case AML_ACQUIRE_OP:            /* Acquire (mutex_object, Timeout) */
 

drivers/acpi/executer/exoparg3.c

@@ -97,11 +97,12 @@ acpi_ex_opcode_3A_0T_0R (
 	acpi_status                     status = AE_OK;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	switch (walk_state->opcode) {
-	case AML_FATAL_OP:          /* Fatal (fatal_type fatal_code fatal_arg)   */
+	case AML_FATAL_OP:          /* Fatal (fatal_type fatal_code fatal_arg) */
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
 			"fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
@@ -116,9 +117,8 @@ acpi_ex_opcode_3A_0T_0R (
 			fatal->argument = (u32) operand[2]->integer.value;
 		}
 
-		/*
-		 * Always signal the OS!
-		 */
+		/* Always signal the OS! */
+
 		status = acpi_os_signal (ACPI_SIGNAL_FATAL, fatal);
 
 		/* Might return while OS is shutting down, just continue */
@@ -162,21 +162,23 @@ acpi_ex_opcode_3A_1T_1R (
 	union acpi_operand_object       *return_desc = NULL;
 	char                            *buffer;
 	acpi_status                     status = AE_OK;
-	acpi_native_uint                index;
+	acpi_integer                    index;
 	acpi_size                       length;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	switch (walk_state->opcode) {
-	case AML_MID_OP:        /* Mid  (Source[0], Index[1], Length[2], Result[3]) */
+	case AML_MID_OP:    /* Mid (Source[0], Index[1], Length[2], Result[3]) */
 
 		/*
 		 * Create the return object.  The Source operand is guaranteed to be
 		 * either a String or a Buffer, so just use its type.
 		 */
-		return_desc = acpi_ut_create_internal_object (ACPI_GET_OBJECT_TYPE (operand[0]));
+		return_desc = acpi_ut_create_internal_object (
+				  ACPI_GET_OBJECT_TYPE (operand[0]));
 		if (!return_desc) {
 			status = AE_NO_MEMORY;
 			goto cleanup;
@@ -184,7 +186,7 @@ acpi_ex_opcode_3A_1T_1R (
 
 		/* Get the Integer values from the objects */
 
-		index = (acpi_native_uint) operand[1]->integer.value;
+		index = operand[1]->integer.value;
 		length = (acpi_size) operand[2]->integer.value;
 
 		/*
@@ -197,7 +199,8 @@ acpi_ex_opcode_3A_1T_1R (
 
 			if ((index + length) >
 				operand[0]->string.length) {
-				length = (acpi_size) operand[0]->string.length - index;
+				length = (acpi_size) operand[0]->string.length -
+						 (acpi_size) index;
 			}
 
 			/* Allocate a new buffer for the String/Buffer */

drivers/acpi/executer/exoparg6.c

@@ -75,6 +75,14 @@
  * fully resolved operands.
 !*/
 
+/* Local prototypes */
+
+static u8
+acpi_ex_do_match (
+	u32                             match_op,
+	union acpi_operand_object       *package_obj,
+	union acpi_operand_object       *match_obj);
+
 
 /*******************************************************************************
  *
@@ -92,7 +100,7 @@
  *
  ******************************************************************************/
 
-u8
+static u8
 acpi_ex_do_match (
 	u32                             match_op,
 	union acpi_operand_object       *package_obj,
@@ -216,11 +224,12 @@ acpi_ex_opcode_6A_0T_1R (
 	union acpi_operand_object       **operand = &walk_state->operands[0];
 	union acpi_operand_object       *return_desc = NULL;
 	acpi_status                     status = AE_OK;
-	u32                             index;
+	acpi_integer                    index;
 	union acpi_operand_object       *this_element;
 
 
-	ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode));
+	ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R",
+		acpi_ps_get_opcode_name (walk_state->opcode));
 
 
 	switch (walk_state->opcode) {
@@ -241,9 +250,11 @@ acpi_ex_opcode_6A_0T_1R (
 
 		/* Get the package start_index, validate against the package length */
 
-		index = (u32) operand[5]->integer.value;
-		if (index >= (u32) operand[0]->package.count) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index beyond package end\n"));
+		index = operand[5]->integer.value;
+		if (index >= operand[0]->package.count) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Index (%X%8.8X) beyond package end (%X)\n",
+				ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
 			status = AE_AML_PACKAGE_LIMIT;
 			goto cleanup;
 		}
@@ -314,13 +325,12 @@ acpi_ex_opcode_6A_0T_1R (
 
 	default:
 
-		ACPI_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n",
+		ACPI_REPORT_ERROR (("acpi_ex_opcode_6A_0T_1R: Unknown opcode %X\n",
 				walk_state->opcode));
 		status = AE_AML_BAD_OPCODE;
 		goto cleanup;
 	}
 
-
 	walk_state->result_obj = return_desc;
 
 

drivers/acpi/executer/exprep.c

@@ -52,8 +52,23 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exprep")
 
+/* Local prototypes */
+
+static u32
+acpi_ex_decode_field_access (
+	union acpi_operand_object       *obj_desc,
+	u8                              field_flags,
+	u32                             *return_byte_alignment);
+
 
 #ifdef ACPI_UNDER_DEVELOPMENT
+
+static u32
+acpi_ex_generate_access (
+	u32                             field_bit_offset,
+	u32                             field_bit_length,
+	u32                             region_length);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ex_generate_access
@@ -99,12 +114,14 @@ acpi_ex_generate_access (
 	/* Round Field start offset and length to "minimal" byte boundaries */
 
 	field_byte_offset  = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8));
-	field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length + field_bit_offset, 8));
+	field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length +
+			   field_bit_offset, 8));
 	field_byte_length  = field_byte_end_offset - field_byte_offset;
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 			"Bit length %d, Bit offset %d\n",
 			field_bit_length, field_bit_offset));
+
 	ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 			"Byte Length %d, Byte Offset %d, End Offset %d\n",
 			field_byte_length, field_byte_offset, field_byte_end_offset));
@@ -117,20 +134,26 @@ acpi_ex_generate_access (
 	 */
 	for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) {
 		/*
-		 * 1) Round end offset up to next access boundary and make sure that this
-		 *    does not go beyond the end of the parent region.
-		 * 2) When the Access width is greater than the field_byte_length, we are done.
-		 *    (This does not optimize for the perfectly aligned case yet).
+		 * 1) Round end offset up to next access boundary and make sure that
+		 *    this does not go beyond the end of the parent region.
+		 * 2) When the Access width is greater than the field_byte_length, we
+		 *    are done. (This does not optimize for the perfectly aligned
+		 *    case yet).
 		 */
 		if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) {
-			field_start_offset = ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) /
-					  access_byte_width;
-			field_end_offset = ACPI_ROUND_UP   ((field_byte_length + field_byte_offset),
-					  access_byte_width) / access_byte_width;
-			accesses         = field_end_offset - field_start_offset;
+			field_start_offset =
+				ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) /
+				access_byte_width;
+
+			field_end_offset =
+				ACPI_ROUND_UP ((field_byte_length + field_byte_offset),
+					access_byte_width) / access_byte_width;
+
+			accesses = field_end_offset - field_start_offset;
 
 			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 					"access_width %d end is within region\n", access_byte_width));
+
 			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 					"Field Start %d, Field End %d -- requires %d accesses\n",
 					field_start_offset, field_end_offset, accesses));
@@ -139,8 +162,8 @@ acpi_ex_generate_access (
 
 			if (accesses <= 1) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
-						"Entire field can be accessed with one operation of size %d\n",
-						access_byte_width));
+					"Entire field can be accessed with one operation of size %d\n",
+					access_byte_width));
 				return_VALUE (access_byte_width);
 			}
 
@@ -155,15 +178,20 @@ acpi_ex_generate_access (
 		}
 		else {
 			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
-					"access_width %d end is NOT within region\n", access_byte_width));
+				"access_width %d end is NOT within region\n", access_byte_width));
 			if (access_byte_width == 1) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 						"Field goes beyond end-of-region!\n"));
-				return_VALUE (0);     /* Field does not fit in the region at all */
-			}
 
-			/* This width goes beyond the end-of-region, back off to previous access */
+				/* Field does not fit in the region at all */
 
+				return_VALUE (0);
+			}
+
+			/*
+			 * This width goes beyond the end-of-region, back off to
+			 * previous access
+			 */
 			ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 					"Backing off to previous optimal access width of %d\n",
 					minimum_access_width));
@@ -171,8 +199,10 @@ acpi_ex_generate_access (
 		}
 	}
 
-	/* Could not read/write field with one operation, just use max access width */
-
+	/*
+	 * Could not read/write field with one operation,
+	 * just use max access width
+	 */
 	ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
 			"Cannot access field in one operation, using width 8\n"));
 	return_VALUE (8);
@@ -184,8 +214,9 @@ acpi_ex_generate_access (
  *
  * FUNCTION:    acpi_ex_decode_field_access
  *
- * PARAMETERS:  Access          - Encoded field access bits
- *              Length          - Field length.
+ * PARAMETERS:  obj_desc            - Field object
+ *              field_flags         - Encoded fieldflags (contains access bits)
+ *              return_byte_alignment - Where the byte alignment is returned
  *
  * RETURN:      Field granularity (8, 16, 32 or 64) and
  *              byte_alignment (1, 2, 3, or 4)
@@ -214,9 +245,10 @@ acpi_ex_decode_field_access (
 	case AML_FIELD_ACCESS_ANY:
 
 #ifdef ACPI_UNDER_DEVELOPMENT
-		byte_alignment = acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset,
-				 obj_desc->common_field.bit_length,
-				 0xFFFFFFFF /* Temp until we pass region_length as param */);
+		byte_alignment =
+			acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset,
+				obj_desc->common_field.bit_length,
+				0xFFFFFFFF /* Temp until we pass region_length as parameter */);
 		bit_length = byte_alignment * 8;
 #endif
 
@@ -276,6 +308,7 @@ acpi_ex_decode_field_access (
  *              field_flags         - Access, lock_rule, and update_rule.
  *                                    The format of a field_flag is described
  *                                    in the ACPI specification
+ *              field_attribute     - Special attributes (not used)
  *              field_bit_position  - Field start position
  *              field_bit_length    - Field length in number of bits
  *
@@ -337,7 +370,7 @@ acpi_ex_prep_common_field_object (
 	/* Setup width (access granularity) fields */
 
 	obj_desc->common_field.access_byte_width = (u8)
-			ACPI_DIV_8 (access_bit_width); /* 1, 2, 4,  8 */
+			ACPI_DIV_8 (access_bit_width);          /* 1,  2,  4,  8 */
 
 	obj_desc->common_field.access_bit_width = (u8) access_bit_width;
 
@@ -380,11 +413,7 @@ acpi_ex_prep_common_field_object (
  *
  * FUNCTION:    acpi_ex_prep_field_value
  *
- * PARAMETERS:  Node                - Owning Node
- *              region_node         - Region in which field is being defined
- *              field_flags         - Access, lock_rule, and update_rule.
- *              field_bit_position  - Field start position
- *              field_bit_length    - Field length in number of bits
+ * PARAMETERS:  Info    - Contains all field creation info
  *
  * RETURN:      Status
  *
@@ -445,7 +474,7 @@ acpi_ex_prep_field_value (
 	switch (info->field_type) {
 	case ACPI_TYPE_LOCAL_REGION_FIELD:
 
-		obj_desc->field.region_obj   = acpi_ns_get_attached_object (info->region_node);
+		obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node);
 
 		/* An additional reference for the container */
 
@@ -461,8 +490,10 @@ acpi_ex_prep_field_value (
 	case ACPI_TYPE_LOCAL_BANK_FIELD:
 
 		obj_desc->bank_field.value   = info->bank_value;
-		obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (info->region_node);
-		obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (info->register_node);
+		obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (
+				 info->region_node);
+		obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (
+				 info->register_node);
 
 		/* An additional reference for the attached objects */
 
@@ -481,10 +512,13 @@ acpi_ex_prep_field_value (
 
 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-		obj_desc->index_field.index_obj = acpi_ns_get_attached_object (info->register_node);
-		obj_desc->index_field.data_obj = acpi_ns_get_attached_object (info->data_register_node);
+		obj_desc->index_field.index_obj = acpi_ns_get_attached_object (
+				 info->register_node);
+		obj_desc->index_field.data_obj = acpi_ns_get_attached_object (
+				 info->data_register_node);
 		obj_desc->index_field.value  = (u32)
-			(info->field_bit_position / ACPI_MUL_8 (obj_desc->field.access_byte_width));
+			(info->field_bit_position / ACPI_MUL_8 (
+					  obj_desc->field.access_byte_width));
 
 		if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) {
 			ACPI_REPORT_ERROR (("Null Index Object during field prep\n"));

drivers/acpi/executer/exregion.c

@@ -115,7 +115,6 @@ acpi_ex_system_memory_space_handler (
 		return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
 	}
 
-
 #ifndef ACPI_MISALIGNED_TRANSFERS
 	/*
 	 * Hardware does not support non-aligned data transfers, we must verify
@@ -134,7 +133,8 @@ acpi_ex_system_memory_space_handler (
 	 */
 	if ((address < mem_info->mapped_physical_address) ||
 		(((acpi_integer) address + length) >
-			((acpi_integer) mem_info->mapped_physical_address + mem_info->mapped_length))) {
+			((acpi_integer)
+			mem_info->mapped_physical_address + mem_info->mapped_length))) {
 		/*
 		 * The request cannot be resolved by the current memory mapping;
 		 * Delete the existing mapping and create a new one.
@@ -150,7 +150,9 @@ acpi_ex_system_memory_space_handler (
 		 * Don't attempt to map memory beyond the end of the region, and
 		 * constrain the maximum mapping size to something reasonable.
 		 */
-		window_size = (acpi_size) ((mem_info->address + mem_info->length) - address);
+		window_size = (acpi_size)
+			((mem_info->address + mem_info->length) - address);
+
 		if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) {
 			window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE;
 		}
@@ -160,8 +162,9 @@ acpi_ex_system_memory_space_handler (
 		status = acpi_os_map_memory (address, window_size,
 				  (void **) &mem_info->mapped_logical_address);
 		if (ACPI_FAILURE (status)) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X%8.8X, size %X\n",
-					ACPI_FORMAT_UINT64 (address), (u32) window_size));
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Could not map memory at %8.8X%8.8X, size %X\n",
+				ACPI_FORMAT_UINT64 (address), (u32) window_size));
 			mem_info->mapped_length = 0;
 			return_ACPI_STATUS (status);
 		}
@@ -177,10 +180,12 @@ acpi_ex_system_memory_space_handler (
 	 * access
 	 */
 	logical_addr_ptr = mem_info->mapped_logical_address +
-			  ((acpi_integer) address - (acpi_integer) mem_info->mapped_physical_address);
+			   ((acpi_integer) address -
+					  (acpi_integer) mem_info->mapped_physical_address);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-			"system_memory %d (%d width) Address=%8.8X%8.8X\n", function, bit_width,
+			"system_memory %d (%d width) Address=%8.8X%8.8X\n",
+			function, bit_width,
 			ACPI_FORMAT_UINT64 (address)));
 
    /*
@@ -298,13 +303,15 @@ acpi_ex_system_io_space_handler (
 	switch (function) {
 	case ACPI_READ:
 
-		status = acpi_os_read_port ((acpi_io_address) address, &value32, bit_width);
+		status = acpi_os_read_port ((acpi_io_address) address,
+				 &value32, bit_width);
 		*value = value32;
 		break;
 
 	case ACPI_WRITE:
 
-		status = acpi_os_write_port ((acpi_io_address) address, (u32) *value, bit_width);
+		status = acpi_os_write_port ((acpi_io_address) address,
+				 (u32) *value, bit_width);
 		break;
 
 	default:
@@ -375,12 +382,14 @@ acpi_ex_pci_config_space_handler (
 	case ACPI_READ:
 
 		*value = 0;
-		status = acpi_os_read_pci_configuration (pci_id, pci_register, value, bit_width);
+		status = acpi_os_read_pci_configuration (pci_id, pci_register,
+				 value, bit_width);
 		break;
 
 	case ACPI_WRITE:
 
-		status = acpi_os_write_pci_configuration (pci_id, pci_register, *value, bit_width);
+		status = acpi_os_write_pci_configuration (pci_id, pci_register,
+				 *value, bit_width);
 		break;
 
 	default:
@@ -505,8 +514,7 @@ acpi_ex_data_table_space_handler (
 
 	logical_addr_ptr = ACPI_PHYSADDR_TO_PTR (address);
 
-
-   /* Perform the memory read or write */
+	/* Perform the memory read or write */
 
 	switch (function) {
 	case ACPI_READ:

drivers/acpi/executer/exresnte.c

@@ -210,15 +210,15 @@ acpi_ex_resolve_node_to_value (
 	case ACPI_TYPE_LOCAL_BANK_FIELD:
 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "field_read Node=%p source_desc=%p Type=%X\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"field_read Node=%p source_desc=%p Type=%X\n",
 			node, source_desc, entry_type));
 
 		status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc);
 		break;
 
-	/*
-	 * For these objects, just return the object attached to the Node
-	 */
+	/* For these objects, just return the object attached to the Node */
+
 	case ACPI_TYPE_MUTEX:
 	case ACPI_TYPE_METHOD:
 	case ACPI_TYPE_POWER:
@@ -233,12 +233,12 @@ acpi_ex_resolve_node_to_value (
 		acpi_ut_add_reference (obj_desc);
 		break;
 
-
 	/* TYPE_ANY is untyped, and thus there is no object associated with it */
 
 	case ACPI_TYPE_ANY:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Untyped entry %p, no attached object!\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Untyped entry %p, no attached object!\n",
 			node));
 
 		return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */
@@ -259,7 +259,8 @@ acpi_ex_resolve_node_to_value (
 		default:
 			/* No named references are allowed here */
 
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported Reference opcode %X (%s)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Unsupported Reference opcode %X (%s)\n",
 				source_desc->reference.opcode,
 				acpi_ps_get_opcode_name (source_desc->reference.opcode)));
 
@@ -268,11 +269,12 @@ acpi_ex_resolve_node_to_value (
 		break;
 
 
-	/* Default case is for unknown types */
-
 	default:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Node %p - Unknown object type %X\n",
+		/* Default case is for unknown types */
+
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Node %p - Unknown object type %X\n",
 			node, entry_type));
 
 		return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
@@ -280,7 +282,7 @@ acpi_ex_resolve_node_to_value (
 	} /* switch (entry_type) */
 
 
-	/* Put the object descriptor on the stack */
+	/* Return the object descriptor */
 
 	*object_ptr = (void *) obj_desc;
 	return_ACPI_STATUS (status);

drivers/acpi/executer/exresolv.c

@@ -54,6 +54,13 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exresolv")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ex_resolve_object_to_value (
+	union acpi_operand_object       **stack_ptr,
+	struct acpi_walk_state          *walk_state);
+
 
 /*******************************************************************************
  *
@@ -96,6 +103,11 @@ acpi_ex_resolve_to_value (
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
+
+		if (!*stack_ptr) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n"));
+			return_ACPI_STATUS (AE_AML_NO_OPERAND);
+		}
 	}
 
 	/*
@@ -120,18 +132,17 @@ acpi_ex_resolve_to_value (
  *
  * FUNCTION:    acpi_ex_resolve_object_to_value
  *
- * PARAMETERS:  stack_ptr       - Pointer to a stack location that contains a
- *                                ptr to an internal object.
+ * PARAMETERS:  stack_ptr       - Pointer to an internal object
  *              walk_state      - Current method state
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Retrieve the value from an internal object.  The Reference type
+ * DESCRIPTION: Retrieve the value from an internal object. The Reference type
  *              uses the associated AML opcode to determine the value.
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_resolve_object_to_value (
 	union acpi_operand_object       **stack_ptr,
 	struct acpi_walk_state          *walk_state)
@@ -159,7 +170,7 @@ acpi_ex_resolve_object_to_value (
 		case AML_NAME_OP:
 
 			/*
-			 * Convert indirect name ptr to a direct name ptr.
+			 * Convert name reference to a namespace node
 			 * Then, acpi_ex_resolve_node_to_value can be used to get the value
 			 */
 			temp_node = stack_desc->reference.object;
@@ -168,7 +179,7 @@ acpi_ex_resolve_object_to_value (
 
 			acpi_ut_remove_reference (stack_desc);
 
-			/* Put direct name pointer onto stack and exit */
+			/* Return the namespace node */
 
 			(*stack_ptr) = temp_node;
 			break;
@@ -255,10 +266,19 @@ acpi_ex_resolve_object_to_value (
 
 			break;
 
+		case AML_INT_NAMEPATH_OP:   /* Reference to a named object */
+
+			/* Get the object pointed to by the namespace node */
+
+			*stack_ptr = (stack_desc->reference.node)->object;
+			acpi_ut_add_reference (*stack_ptr);
+			acpi_ut_remove_reference (stack_desc);
+			break;
 
 		default:
 
-			ACPI_REPORT_ERROR (("During resolve, Unknown Reference opcode %X (%s) in %p\n",
+			ACPI_REPORT_ERROR ((
+				"During resolve, Unknown Reference opcode %X (%s) in %p\n",
 				opcode, acpi_ps_get_opcode_name (opcode), stack_desc));
 			status = AE_AML_INTERNAL;
 			break;
@@ -278,9 +298,8 @@ acpi_ex_resolve_object_to_value (
 		break;
 
 
-	/*
-	 * These cases may never happen here, but just in case..
-	 */
+	/* These cases may never happen here, but just in case.. */
+
 	case ACPI_TYPE_BUFFER_FIELD:
 	case ACPI_TYPE_LOCAL_REGION_FIELD:
 	case ACPI_TYPE_LOCAL_BANK_FIELD:
@@ -333,9 +352,8 @@ acpi_ex_resolve_multiple (
 	ACPI_FUNCTION_TRACE ("acpi_ex_resolve_multiple");
 
 
-	/*
-	 * Operand can be either a namespace node or an operand descriptor
-	 */
+	/* Operand can be either a namespace node or an operand descriptor */
+
 	switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
 	case ACPI_DESC_TYPE_OPERAND:
 		type = obj_desc->common.type;
@@ -357,10 +375,8 @@ acpi_ex_resolve_multiple (
 		return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 	}
 
+	/* If type is anything other than a reference, we are done */
 
-	/*
-	 * If type is anything other than a reference, we are done
-	 */
 	if (type != ACPI_TYPE_LOCAL_REFERENCE) {
 		goto exit;
 	}
@@ -382,8 +398,9 @@ acpi_ex_resolve_multiple (
 			/* All "References" point to a NS node */
 
 			if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
-				ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
-						node, acpi_ut_get_descriptor_name (node)));
+				ACPI_REPORT_ERROR ((
+					"acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
+					node, acpi_ut_get_descriptor_name (node)));
 				return_ACPI_STATUS (AE_AML_INTERNAL);
 			}
 
@@ -440,8 +457,9 @@ acpi_ex_resolve_multiple (
 			/* All "References" point to a NS node */
 
 			if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
-				ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
-						node, acpi_ut_get_descriptor_name (node)));
+				ACPI_REPORT_ERROR ((
+					"acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
+					node, acpi_ut_get_descriptor_name (node)));
 			   return_ACPI_STATUS (AE_AML_INTERNAL);
 			}
 
@@ -468,7 +486,7 @@ acpi_ex_resolve_multiple (
 
 			if (return_desc) {
 				status = acpi_ds_method_data_get_value (obj_desc->reference.opcode,
-						  obj_desc->reference.offset, walk_state, &obj_desc);
+						 obj_desc->reference.offset, walk_state, &obj_desc);
 				if (ACPI_FAILURE (status)) {
 					return_ACPI_STATUS (status);
 				}
@@ -500,7 +518,8 @@ acpi_ex_resolve_multiple (
 
 		default:
 
-			ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Unknown Reference subtype %X\n",
+			ACPI_REPORT_ERROR ((
+				"acpi_ex_resolve_multiple: Unknown Reference subtype %X\n",
 				obj_desc->reference.opcode));
 			return_ACPI_STATUS (AE_AML_INTERNAL);
 		}

drivers/acpi/executer/exresop.c

@@ -52,6 +52,14 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exresop")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ex_check_object_type (
+	acpi_object_type                type_needed,
+	acpi_object_type                this_type,
+	void                            *object);
+
 
 /*******************************************************************************
  *
@@ -67,7 +75,7 @@
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_check_object_type (
 	acpi_object_type                type_needed,
 	acpi_object_type                this_type,
@@ -142,6 +150,7 @@ acpi_ex_resolve_operands (
 	const struct acpi_opcode_info   *op_info;
 	u32                             this_arg_type;
 	acpi_object_type                type_needed;
+	u16                             target_op = 0;
 
 
 	ACPI_FUNCTION_TRACE_U32 ("ex_resolve_operands", opcode);
@@ -160,7 +169,8 @@ acpi_ex_resolve_operands (
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode %X [%s] required_operand_types=%8.8X \n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+		"Opcode %X [%s] required_operand_types=%8.8X \n",
 		opcode, op_info->name, arg_types));
 
 	/*
@@ -187,7 +197,7 @@ acpi_ex_resolve_operands (
 		switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
 		case ACPI_DESC_TYPE_NAMED:
 
-			/* Node */
+			/* Namespace Node */
 
 			object_type = ((struct acpi_namespace_node *) obj_desc)->type;
 			break;
@@ -202,16 +212,16 @@ acpi_ex_resolve_operands (
 			/* Check for bad acpi_object_type */
 
 			if (!acpi_ut_valid_object_type (object_type)) {
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad operand object type [%X]\n",
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Bad operand object type [%X]\n",
 					object_type));
 
 				return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 			}
 
 			if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
-				/*
-				 * Decode the Reference
-				 */
+				/* Decode the Reference */
+
 				op_info = acpi_ps_get_opcode_info (opcode);
 				if (op_info->class == AML_CLASS_UNKNOWN) {
 					return_ACPI_STATUS (AE_AML_BAD_OPCODE);
@@ -219,12 +229,17 @@ acpi_ex_resolve_operands (
 
 				switch (obj_desc->reference.opcode) {
 				case AML_DEBUG_OP:
+					target_op = AML_DEBUG_OP;
+
+					/*lint -fallthrough */
+
 				case AML_NAME_OP:
 				case AML_INDEX_OP:
 				case AML_REF_OF_OP:
 				case AML_ARG_OP:
 				case AML_LOCAL_OP:
-				case AML_LOAD_OP:   /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
+				case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
+				case AML_INT_NAMEPATH_OP: /* Reference to a named object */
 
 					ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 						"Operand is a Reference, ref_opcode [%s]\n",
@@ -254,10 +269,8 @@ acpi_ex_resolve_operands (
 			return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 		}
 
+		/* Get one argument type, point to the next */
 
-		/*
-		 * Get one argument type, point to the next
-		 */
 		this_arg_type = GET_CURRENT_ARG_TYPE (arg_types);
 		INCREMENT_ARG_LIST (arg_types);
 
@@ -271,26 +284,31 @@ acpi_ex_resolve_operands (
 			if ((ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
 				(ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_STRING)) {
 				/*
-				 * String found - the string references a named object and must be
-				 * resolved to a node
+				 * String found - the string references a named object and
+				 * must be resolved to a node
 				 */
 				goto next_operand;
 			}
 
-			/* Else not a string - fall through to the normal Reference case below */
+			/*
+			 * Else not a string - fall through to the normal Reference
+			 * case below
+			 */
 			/*lint -fallthrough */
 
 		case ARGI_REFERENCE:            /* References: */
 		case ARGI_INTEGER_REF:
 		case ARGI_OBJECT_REF:
 		case ARGI_DEVICE_REF:
-		case ARGI_TARGETREF:            /* Allows implicit conversion rules before store */
-		case ARGI_FIXED_TARGET:         /* No implicit conversion before store to target */
-		case ARGI_SIMPLE_TARGET:        /* Name, Local, or Arg - no implicit conversion  */
-
-			/* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE */
+		case ARGI_TARGETREF:     /* Allows implicit conversion rules before store */
+		case ARGI_FIXED_TARGET:  /* No implicit conversion before store to target */
+		case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion  */
 
-			if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) /* Node (name) ptr OK as-is */ {
+			/*
+			 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
+			 * A Namespace Node is OK as-is
+			 */
+			if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
 				goto next_operand;
 			}
 
@@ -300,11 +318,9 @@ acpi_ex_resolve_operands (
 				return_ACPI_STATUS (status);
 			}
 
-			if (AML_NAME_OP == obj_desc->reference.opcode) {
-				/*
-				 * Convert an indirect name ptr to direct name ptr and put
-				 * it on the stack
-				 */
+			if (obj_desc->reference.opcode == AML_NAME_OP) {
+				/* Convert a named reference to the actual named object */
+
 				temp_node = obj_desc->reference.object;
 				acpi_ut_remove_reference (obj_desc);
 				(*stack_ptr) = temp_node;
@@ -332,7 +348,6 @@ acpi_ex_resolve_operands (
 			break;
 		}
 
-
 		/*
 		 * Resolve this object to a value
 		 */
@@ -392,7 +407,7 @@ acpi_ex_resolve_operands (
 		/*
 		 * The more complex cases allow multiple resolved object types
 		 */
-		case ARGI_INTEGER:   /* Number */
+		case ARGI_INTEGER:
 
 			/*
 			 * Need an operand of type ACPI_TYPE_INTEGER,
@@ -563,7 +578,7 @@ acpi_ex_resolve_operands (
 
 		case ARGI_REGION_OR_FIELD:
 
-			/* Need an operand of type ACPI_TYPE_REGION or a FIELD in a region */
+			/* Need an operand of type REGION or a FIELD in a region */
 
 			switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
 			case ACPI_TYPE_REGION:
@@ -614,6 +629,12 @@ acpi_ex_resolve_operands (
 					break;
 				}
 
+				if (target_op == AML_DEBUG_OP) {
+					/* Allow store of any object to the Debug object */
+
+					break;
+				}
+
 				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 					"Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n",
 					acpi_ut_get_object_type_name (obj_desc), obj_desc));
@@ -652,8 +673,7 @@ next_operand:
 		if (GET_CURRENT_ARG_TYPE (arg_types)) {
 			stack_ptr--;
 		}
-
-	}   /* while (*Types) */
+	}
 
 	return_ACPI_STATUS (status);
 }

drivers/acpi/executer/exstore.c

@@ -48,11 +48,171 @@
 #include <acpi/acinterp.h>
 #include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
+#include <acpi/acparser.h>
 
 
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exstore")
 
+/* Local prototypes */
+
+static void
+acpi_ex_do_debug_object (
+	union acpi_operand_object       *source_desc,
+	u32                             level,
+	u32                             index);
+
+static acpi_status
+acpi_ex_store_object_to_index (
+	union acpi_operand_object       *val_desc,
+	union acpi_operand_object       *dest_desc,
+	struct acpi_walk_state          *walk_state);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_do_debug_object
+ *
+ * PARAMETERS:  source_desc         - Value to be stored
+ *              Level               - Indentation level (used for packages)
+ *              Index               - Current package element, zero if not pkg
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Handles stores to the Debug Object.
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_do_debug_object (
+	union acpi_operand_object       *source_desc,
+	u32                             level,
+	u32                             index)
+{
+	u32                             i;
+
+
+	ACPI_FUNCTION_TRACE_PTR ("ex_do_debug_object", source_desc);
+
+
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
+		level, " "));
+
+	/* Display index for package output only */
+
+	if (index > 0) {
+	   ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
+		   "(%.2u) ", index -1));
+	}
+
+	if (!source_desc) {
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
+		return_VOID;
+	}
+
+	if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_OPERAND) {
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ",
+			acpi_ut_get_object_type_name (source_desc)));
+
+		if (!acpi_ut_valid_internal_object (source_desc)) {
+		   ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
+			   "%p, Invalid Internal Object!\n", source_desc));
+		   return_VOID;
+		}
+	}
+	else if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_NAMED) {
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
+			acpi_ut_get_type_name (((struct acpi_namespace_node *) source_desc)->type),
+			source_desc));
+		return_VOID;
+	}
+	else {
+		return_VOID;
+	}
+
+	switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
+	case ACPI_TYPE_INTEGER:
+
+		/* Output correct integer width */
+
+		if (acpi_gbl_integer_byte_width == 4) {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
+				(u32) source_desc->integer.value));
+		}
+		else {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
+				ACPI_FORMAT_UINT64 (source_desc->integer.value)));
+		}
+		break;
+
+	case ACPI_TYPE_BUFFER:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
+			(u32) source_desc->buffer.length));
+		ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
+			(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
+		break;
+
+	case ACPI_TYPE_STRING:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
+			source_desc->string.length, source_desc->string.pointer));
+		break;
+
+	case ACPI_TYPE_PACKAGE:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n",
+			source_desc->package.count));
+
+		/* Output the entire contents of the package */
+
+		for (i = 0; i < source_desc->package.count; i++) {
+			acpi_ex_do_debug_object (source_desc->package.elements[i],
+				level+4, i+1);
+		}
+		break;
+
+	case ACPI_TYPE_LOCAL_REFERENCE:
+
+		if (source_desc->reference.opcode == AML_INDEX_OP) {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n",
+				acpi_ps_get_opcode_name (source_desc->reference.opcode),
+				source_desc->reference.offset));
+		}
+		else {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
+				acpi_ps_get_opcode_name (source_desc->reference.opcode)));
+		}
+
+
+		if (source_desc->reference.object) {
+			if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) ==
+					ACPI_DESC_TYPE_NAMED) {
+				acpi_ex_do_debug_object (((struct acpi_namespace_node *)
+					source_desc->reference.object)->object,
+					level+4, 0);
+			}
+			else {
+				acpi_ex_do_debug_object (source_desc->reference.object, level+4, 0);
+			}
+		}
+		else if (source_desc->reference.node) {
+			acpi_ex_do_debug_object ((source_desc->reference.node)->object,
+				level+4, 0);
+		}
+		break;
+
+	default:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
+			source_desc, acpi_ut_get_object_type_name (source_desc)));
+		break;
+	}
+
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
+	return_VOID;
+}
+
 
 /*******************************************************************************
  *
@@ -154,8 +314,9 @@ acpi_ex_store (
 
 		/* Storing an object into a Name "container" */
 
-		status = acpi_ex_store_object_to_node (source_desc, ref_desc->reference.object,
-				  walk_state, ACPI_IMPLICIT_CONVERSION);
+		status = acpi_ex_store_object_to_node (source_desc,
+				 ref_desc->reference.object,
+				 walk_state, ACPI_IMPLICIT_CONVERSION);
 		break;
 
 
@@ -173,7 +334,7 @@ acpi_ex_store (
 		/* Store to a method local/arg  */
 
 		status = acpi_ds_store_object_to_local (ref_desc->reference.opcode,
-				  ref_desc->reference.offset, source_desc, walk_state);
+				 ref_desc->reference.offset, source_desc, walk_state);
 		break;
 
 
@@ -187,60 +348,7 @@ acpi_ex_store (
 			"**** Write to Debug Object: Object %p %s ****:\n\n",
 			source_desc, acpi_ut_get_object_type_name (source_desc)));
 
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ",
-			acpi_ut_get_object_type_name (source_desc)));
-
-		if (!acpi_ut_valid_internal_object (source_desc)) {
-		   ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
-			   "%p, Invalid Internal Object!\n", source_desc));
-		   break;
-		}
-
-		switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
-		case ACPI_TYPE_INTEGER:
-
-			if (acpi_gbl_integer_byte_width == 4) {
-				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
-					(u32) source_desc->integer.value));
-			}
-			else {
-				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
-					ACPI_FORMAT_UINT64 (source_desc->integer.value)));
-			}
-			break;
-
-
-		case ACPI_TYPE_BUFFER:
-
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
-				(u32) source_desc->buffer.length));
-			ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
-				(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
-			break;
-
-
-		case ACPI_TYPE_STRING:
-
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
-				source_desc->string.length, source_desc->string.pointer));
-			break;
-
-
-		case ACPI_TYPE_PACKAGE:
-
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] Elements Ptr - %p\n",
-				source_desc->package.count, source_desc->package.elements));
-			break;
-
-
-		default:
-
-			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n",
-				source_desc));
-			break;
-		}
-
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
+		acpi_ex_do_debug_object (source_desc, 0, 0);
 		break;
 
 
@@ -272,7 +380,7 @@ acpi_ex_store (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ex_store_object_to_index (
 	union acpi_operand_object       *source_desc,
 	union acpi_operand_object       *index_desc,
@@ -313,16 +421,22 @@ acpi_ex_store_object_to_index (
 		if (obj_desc) {
 			/* Decrement reference count by the ref count of the parent package */
 
-			for (i = 0; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) {
+			for (i = 0;
+				 i < ((union acpi_operand_object *)
+						index_desc->reference.object)->common.reference_count;
+				 i++) {
 				acpi_ut_remove_reference (obj_desc);
 			}
 		}
 
 		*(index_desc->reference.where) = new_desc;
 
-		/* Increment reference count by the ref count of the parent package -1 */
+		/* Increment ref count by the ref count of the parent package-1 */
 
-		for (i = 1; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) {
+		for (i = 1;
+			 i < ((union acpi_operand_object *)
+					index_desc->reference.object)->common.reference_count;
+			 i++) {
 			acpi_ut_add_reference (new_desc);
 		}
 
@@ -440,9 +554,8 @@ acpi_ex_store_object_to_node (
 	ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc);
 
 
-	/*
-	 * Get current type of the node, and object attached to Node
-	 */
+	/* Get current type of the node, and object attached to Node */
+
 	target_type = acpi_ns_get_type (node);
 	target_desc = acpi_ns_get_attached_object (node);
 
@@ -467,19 +580,18 @@ acpi_ex_store_object_to_node (
 		target_type = ACPI_TYPE_ANY;
 	}
 
-	/*
-	 * Do the actual store operation
-	 */
+	/* Do the actual store operation */
+
 	switch (target_type) {
 	case ACPI_TYPE_BUFFER_FIELD:
 	case ACPI_TYPE_LOCAL_REGION_FIELD:
 	case ACPI_TYPE_LOCAL_BANK_FIELD:
 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-		/*
-		 * For fields, copy the source data to the target field.
-		 */
-		status = acpi_ex_write_data_to_field (source_desc, target_desc, &walk_state->result_obj);
+		/* For fields, copy the source data to the target field. */
+
+		status = acpi_ex_write_data_to_field (source_desc, target_desc,
+				 &walk_state->result_obj);
 		break;
 
 
@@ -493,7 +605,8 @@ acpi_ex_store_object_to_node (
 		 *
 		 * Copy and/or convert the source object to a new target object
 		 */
-		status = acpi_ex_store_object_to_object (source_desc, target_desc, &new_desc, walk_state);
+		status = acpi_ex_store_object_to_object (source_desc, target_desc,
+				 &new_desc, walk_state);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -526,7 +639,8 @@ acpi_ex_store_object_to_node (
 
 		/* No conversions for all other types.  Just attach the source object */
 
-		status = acpi_ns_attach_object (node, source_desc, ACPI_GET_OBJECT_TYPE (source_desc));
+		status = acpi_ns_attach_object (node, source_desc,
+				 ACPI_GET_OBJECT_TYPE (source_desc));
 		break;
 	}
 

drivers/acpi/executer/exstoren.c

@@ -81,9 +81,8 @@ acpi_ex_resolve_object (
 	ACPI_FUNCTION_TRACE ("ex_resolve_object");
 
 
-	/*
-	 * Ensure we have a Target that can be stored to
-	 */
+	/* Ensure we have a Target that can be stored to */
+
 	switch (target_type) {
 	case ACPI_TYPE_BUFFER_FIELD:
 	case ACPI_TYPE_LOCAL_REGION_FIELD:
@@ -118,16 +117,14 @@ acpi_ex_resolve_object (
 			break;
 		}
 
-		/*
-		 * Must have a Integer, Buffer, or String
-		 */
+		/* Must have a Integer, Buffer, or String */
+
 		if ((ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER)   &&
 			(ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER)    &&
 			(ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING)    &&
 			!((ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) && (source_desc->reference.opcode == AML_LOAD_OP))) {
-			/*
-			 * Conversion successful but still not a valid type
-			 */
+			/* Conversion successful but still not a valid type */
+
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 				"Cannot assign type %s to %s (must be type Int/Str/Buf)\n",
 				acpi_ut_get_object_type_name (source_desc),
@@ -140,9 +137,8 @@ acpi_ex_resolve_object (
 	case ACPI_TYPE_LOCAL_ALIAS:
 	case ACPI_TYPE_LOCAL_METHOD_ALIAS:
 
-		/*
-		 * Aliases are resolved by acpi_ex_prep_operands
-		 */
+		/* Aliases are resolved by acpi_ex_prep_operands */
+
 		ACPI_REPORT_ERROR (("Store into Alias - should never happen\n"));
 		status = AE_AML_INTERNAL;
 		break;

drivers/acpi/executer/exstorob.c

@@ -128,7 +128,8 @@ acpi_ex_store_buffer_to_buffer (
 	else {
 		/* Truncate the source, copy only what will fit */
 
-		ACPI_MEMCPY (target_desc->buffer.pointer, buffer, target_desc->buffer.length);
+		ACPI_MEMCPY (target_desc->buffer.pointer, buffer,
+			target_desc->buffer.length);
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
 			"Truncating source buffer from %X to %X\n",
@@ -183,7 +184,8 @@ acpi_ex_store_string_to_string (
 		 * String will fit in existing non-static buffer.
 		 * Clear old string and copy in the new one
 		 */
-		ACPI_MEMSET (target_desc->string.pointer, 0, (acpi_size) target_desc->string.length + 1);
+		ACPI_MEMSET (target_desc->string.pointer, 0,
+			(acpi_size) target_desc->string.length + 1);
 		ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
 	}
 	else {
@@ -198,7 +200,8 @@ acpi_ex_store_string_to_string (
 			ACPI_MEM_FREE (target_desc->string.pointer);
 		}
 
-		target_desc->string.pointer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
+		target_desc->string.pointer = ACPI_MEM_CALLOCATE (
+				   (acpi_size) length + 1);
 		if (!target_desc->string.pointer) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
 		}

drivers/acpi/executer/exsystem.c

@@ -55,8 +55,8 @@
  *
  * FUNCTION:    acpi_ex_system_wait_semaphore
  *
- * PARAMETERS:  Semaphore           - OSD semaphore to wait on
- *              Timeout             - Max time to wait
+ * PARAMETERS:  Semaphore       - Semaphore to wait on
+ *              Timeout         - Max time to wait
  *
  * RETURN:      Status
  *
@@ -90,7 +90,8 @@ acpi_ex_system_wait_semaphore (
 
 		status = acpi_os_wait_semaphore (semaphore, 1, timeout);
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*** Thread awake after blocking, %s\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"*** Thread awake after blocking, %s\n",
 			acpi_format_exception (status)));
 
 		/* Reacquire the interpreter */
@@ -111,8 +112,8 @@ acpi_ex_system_wait_semaphore (
  *
  * FUNCTION:    acpi_ex_system_do_stall
  *
- * PARAMETERS:  how_long            - The amount of time to stall,
- *                                    in microseconds
+ * PARAMETERS:  how_long        - The amount of time to stall,
+ *                                in microseconds
  *
  * RETURN:      Status
  *
@@ -141,7 +142,8 @@ acpi_ex_system_do_stall (
 		 * (ACPI specifies 100 usec as max, but this gives some slack in
 		 * order to support existing BIOSs)
 		 */
-		ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n", how_long));
+		ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n",
+			how_long));
 		status = AE_AML_OPERAND_VALUE;
 	}
 	else {
@@ -156,8 +158,8 @@ acpi_ex_system_do_stall (
  *
  * FUNCTION:    acpi_ex_system_do_suspend
  *
- * PARAMETERS:  how_long            - The amount of time to suspend,
- *                                    in milliseconds
+ * PARAMETERS:  how_long        - The amount of time to suspend,
+ *                                in milliseconds
  *
  * RETURN:      None
  *
@@ -192,8 +194,8 @@ acpi_ex_system_do_suspend (
  *
  * FUNCTION:    acpi_ex_system_acquire_mutex
  *
- * PARAMETERS:  *time_desc          - The 'time to delay' object descriptor
- *              *obj_desc           - The object descriptor for this op
+ * PARAMETERS:  time_desc       - The 'time to delay' object descriptor
+ *              obj_desc        - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -218,16 +220,15 @@ acpi_ex_system_acquire_mutex (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	/*
-	 * Support for the _GL_ Mutex object -- go get the global lock
-	 */
+	/* Support for the _GL_ Mutex object -- go get the global lock */
+
 	if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
 		status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
 		return_ACPI_STATUS (status);
 	}
 
 	status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
-			  (u16) time_desc->integer.value);
+			 (u16) time_desc->integer.value);
 	return_ACPI_STATUS (status);
 }
 
@@ -236,7 +237,7 @@ acpi_ex_system_acquire_mutex (
  *
  * FUNCTION:    acpi_ex_system_release_mutex
  *
- * PARAMETERS:  *obj_desc           - The object descriptor for this op
+ * PARAMETERS:  obj_desc        - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -261,9 +262,8 @@ acpi_ex_system_release_mutex (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	/*
-	 * Support for the _GL_ Mutex object -- release the global lock
-	 */
+	/* Support for the _GL_ Mutex object -- release the global lock */
+
 	if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
 		status = acpi_ev_release_global_lock ();
 		return_ACPI_STATUS (status);
@@ -278,9 +278,9 @@ acpi_ex_system_release_mutex (
  *
  * FUNCTION:    acpi_ex_system_signal_event
  *
- * PARAMETERS:  *obj_desc           - The object descriptor for this op
+ * PARAMETERS:  obj_desc        - The object descriptor for this op
  *
- * RETURN:      AE_OK
+ * RETURN:      Status
  *
  * DESCRIPTION: Provides an access point to perform synchronization operations
  *              within the AML.
@@ -309,8 +309,8 @@ acpi_ex_system_signal_event (
  *
  * FUNCTION:    acpi_ex_system_wait_event
  *
- * PARAMETERS:  *time_desc          - The 'time to delay' object descriptor
- *              *obj_desc           - The object descriptor for this op
+ * PARAMETERS:  time_desc       - The 'time to delay' object descriptor
+ *              obj_desc        - The object descriptor for this op
  *
  * RETURN:      Status
  *
@@ -333,7 +333,7 @@ acpi_ex_system_wait_event (
 
 	if (obj_desc) {
 		status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
-				  (u16) time_desc->integer.value);
+				 (u16) time_desc->integer.value);
 	}
 
 	return_ACPI_STATUS (status);
@@ -344,7 +344,7 @@ acpi_ex_system_wait_event (
  *
  * FUNCTION:    acpi_ex_system_reset_event
  *
- * PARAMETERS:  *obj_desc           - The object descriptor for this op
+ * PARAMETERS:  obj_desc        - The object descriptor for this op
  *
  * RETURN:      Status
  *

drivers/acpi/executer/exutils.c

@@ -67,22 +67,31 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exutils")
 
+/* Local prototypes */
 
-#ifndef ACPI_NO_METHOD_EXECUTION
+static u32
+acpi_ex_digits_needed (
+	acpi_integer                    value,
+	u32                             base);
 
+
+#ifndef ACPI_NO_METHOD_EXECUTION
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ex_enter_interpreter
  *
  * PARAMETERS:  None
  *
+ * RETURN:      Status
+ *
  * DESCRIPTION: Enter the interpreter execution region.  Failure to enter
  *              the interpreter region is a fatal system error
  *
  ******************************************************************************/
 
 acpi_status
-acpi_ex_enter_interpreter (void)
+acpi_ex_enter_interpreter (
+	void)
 {
 	acpi_status                     status;
 
@@ -104,6 +113,8 @@ acpi_ex_enter_interpreter (void)
  *
  * PARAMETERS:  None
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Exit the interpreter execution region
  *
  * Cases where the interpreter is unlocked:
@@ -119,7 +130,8 @@ acpi_ex_enter_interpreter (void)
  ******************************************************************************/
 
 void
-acpi_ex_exit_interpreter (void)
+acpi_ex_exit_interpreter (
+	void)
 {
 	acpi_status                     status;
 
@@ -212,7 +224,8 @@ acpi_ex_acquire_global_lock (
 			locked = TRUE;
 		}
 		else {
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not acquire Global Lock, %s\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+				"Could not acquire Global Lock, %s\n",
 				acpi_format_exception (status)));
 		}
 	}
@@ -228,7 +241,7 @@ acpi_ex_acquire_global_lock (
  * PARAMETERS:  locked_by_me    - Return value from corresponding call to
  *                                acquire_global_lock.
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Release the global lock if it is locked.
  *
@@ -269,11 +282,14 @@ acpi_ex_release_global_lock (
  * PARAMETERS:  Value           - Value to be represented
  *              Base            - Base of representation
  *
- * RETURN:      the number of digits needed to represent Value in Base
+ * RETURN:      The number of digits.
+ *
+ * DESCRIPTION: Calculate the number of digits needed to represent the Value
+ *              in the given Base (Radix)
  *
  ******************************************************************************/
 
-u32
+static u32
 acpi_ex_digits_needed (
 	acpi_integer                    value,
 	u32                             base)
@@ -312,6 +328,8 @@ acpi_ex_digits_needed (
  * PARAMETERS:  numeric_id      - EISA ID to be converted
  *              out_string      - Where to put the converted string (8 bytes)
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Convert a numeric EISA ID to string representation
  *
  ******************************************************************************/
@@ -349,7 +367,10 @@ acpi_ex_eisa_id_to_string (
  * PARAMETERS:  Value           - Value to be converted
  *              out_string      - Where to put the converted string (8 bytes)
  *
- * RETURN:      Convert a number to string representation
+ * RETURN:      None, string
+ *
+ * DESCRIPTOIN: Convert a number to string representation. Assumes string
+ *              buffer is large enough to hold the string.
  *
  ******************************************************************************/
 

drivers/acpi/glue.c

@@ -0,0 +1,360 @@
+/*
+ * Link physical devices with ACPI devices support
+ *
+ * Copyright (c) 2005 David Shaohua Li <shaohua.li@intel.com>
+ * Copyright (c) 2005 Intel Corp.
+ *
+ * This file is released under the GPLv2.
+ */
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/device.h>
+#include <linux/rwsem.h>
+#include <linux/acpi.h>
+
+#define ACPI_GLUE_DEBUG	0
+#if ACPI_GLUE_DEBUG
+#define DBG(x...) printk(PREFIX x)
+#else
+#define DBG(x...)
+#endif
+static LIST_HEAD(bus_type_list);
+static DECLARE_RWSEM(bus_type_sem);
+
+int register_acpi_bus_type(struct acpi_bus_type *type)
+{
+	if (acpi_disabled)
+		return -ENODEV;
+	if (type && type->bus && type->find_device) {
+		down_write(&bus_type_sem);
+		list_add_tail(&type->list, &bus_type_list);
+		up_write(&bus_type_sem);
+		printk(KERN_INFO PREFIX "bus type %s registered\n", type->bus->name);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+EXPORT_SYMBOL(register_acpi_bus_type);
+
+int unregister_acpi_bus_type(struct acpi_bus_type *type)
+{
+	if (acpi_disabled)
+		return 0;
+	if (type) {
+		down_write(&bus_type_sem);
+		list_del_init(&type->list);
+		up_write(&bus_type_sem);
+		printk(KERN_INFO PREFIX "ACPI bus type %s unregistered\n", type->bus->name);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+EXPORT_SYMBOL(unregister_acpi_bus_type);
+
+static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type)
+{
+	struct acpi_bus_type *tmp, *ret = NULL;
+
+	down_read(&bus_type_sem);
+	list_for_each_entry(tmp, &bus_type_list, list) {
+		if (tmp->bus == type) {
+			ret = tmp;
+			break;
+		}
+	}
+	up_read(&bus_type_sem);
+	return ret;
+}
+
+static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle)
+{
+	struct acpi_bus_type *tmp;
+	int ret = -ENODEV;
+
+	down_read(&bus_type_sem);
+	list_for_each_entry(tmp, &bus_type_list, list) {
+		if (tmp->find_bridge && !tmp->find_bridge(dev, handle)) {
+			ret = 0;
+			break;
+		}
+	}
+	up_read(&bus_type_sem);
+	return ret;
+}
+
+/* Get PCI root bridge's handle from its segment and bus number */
+struct acpi_find_pci_root {
+	unsigned int seg;
+	unsigned int bus;
+	acpi_handle handle;
+};
+
+static acpi_status
+do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
+{
+	int *busnr = (int *)data;
+	struct acpi_resource_address64 address;
+
+	if (resource->id != ACPI_RSTYPE_ADDRESS16 &&
+	    resource->id != ACPI_RSTYPE_ADDRESS32 &&
+	    resource->id != ACPI_RSTYPE_ADDRESS64)
+		return AE_OK;
+
+	acpi_resource_to_address64(resource, &address);
+	if ((address.address_length > 0) &&
+	    (address.resource_type == ACPI_BUS_NUMBER_RANGE))
+		*busnr = address.min_address_range;
+
+	return AE_OK;
+}
+
+static int get_root_bridge_busnr(acpi_handle handle)
+{
+	acpi_status status;
+	int bus, bbn;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+
+	status = acpi_evaluate_integer(handle, METHOD_NAME__BBN, NULL,
+				       (unsigned long *)&bbn);
+	if (status == AE_NOT_FOUND) {
+		/* Assume bus = 0 */
+		printk(KERN_INFO PREFIX
+		       "Assume root bridge [%s] bus is 0\n",
+		       (char *)buffer.pointer);
+		status = AE_OK;
+		bbn = 0;
+	}
+	if (ACPI_FAILURE(status)) {
+		bbn = -ENODEV;
+		goto exit;
+	}
+	if (bbn > 0)
+		goto exit;
+
+	/* _BBN in some systems return 0 for all root bridges */
+	bus = -1;
+	status = acpi_walk_resources(handle, METHOD_NAME__CRS,
+				     do_root_bridge_busnr_callback, &bus);
+	/* If _CRS failed, we just use _BBN */
+	if (ACPI_FAILURE(status) || (bus == -1))
+		goto exit;
+	/* We select _CRS */
+	if (bbn != bus) {
+		printk(KERN_INFO PREFIX
+		       "_BBN and _CRS returns different value for %s. Select _CRS\n",
+		       (char *)buffer.pointer);
+		bbn = bus;
+	}
+      exit:
+	acpi_os_free(buffer.pointer);
+	return bbn;
+}
+
+static acpi_status
+find_pci_rootbridge(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+	struct acpi_find_pci_root *find = (struct acpi_find_pci_root *)context;
+	unsigned long seg, bus;
+	acpi_status status;
+	int tmp;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+
+	status = acpi_evaluate_integer(handle, METHOD_NAME__SEG, NULL, &seg);
+	if (status == AE_NOT_FOUND) {
+		/* Assume seg = 0 */
+		printk(KERN_INFO PREFIX
+		       "Assume root bridge [%s] segment is 0\n",
+		       (char *)buffer.pointer);
+		status = AE_OK;
+		seg = 0;
+	}
+	if (ACPI_FAILURE(status)) {
+		status = AE_CTRL_DEPTH;
+		goto exit;
+	}
+
+	tmp = get_root_bridge_busnr(handle);
+	if (tmp < 0) {
+		printk(KERN_ERR PREFIX
+		       "Find root bridge failed for %s\n",
+		       (char *)buffer.pointer);
+		status = AE_CTRL_DEPTH;
+		goto exit;
+	}
+	bus = tmp;
+
+	if (seg == find->seg && bus == find->bus)
+		find->handle = handle;
+	status = AE_OK;
+      exit:
+	acpi_os_free(buffer.pointer);
+	return status;
+}
+
+acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus)
+{
+	struct acpi_find_pci_root find = { seg, bus, NULL };
+
+	acpi_get_devices(PCI_ROOT_HID_STRING, find_pci_rootbridge, &find, NULL);
+	return find.handle;
+}
+
+/* Get device's handler per its address under its parent */
+struct acpi_find_child {
+	acpi_handle handle;
+	acpi_integer address;
+};
+
+static acpi_status
+do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+	acpi_status status;
+	struct acpi_device_info *info;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_find_child *find = (struct acpi_find_child *)context;
+
+	status = acpi_get_object_info(handle, &buffer);
+	if (ACPI_SUCCESS(status)) {
+		info = buffer.pointer;
+		if (info->address == find->address)
+			find->handle = handle;
+		acpi_os_free(buffer.pointer);
+	}
+	return AE_OK;
+}
+
+acpi_handle acpi_get_child(acpi_handle parent, acpi_integer address)
+{
+	struct acpi_find_child find = { NULL, address };
+
+	if (!parent)
+		return NULL;
+	acpi_walk_namespace(ACPI_TYPE_DEVICE, parent,
+			    1, do_acpi_find_child, &find, NULL);
+	return find.handle;
+}
+
+EXPORT_SYMBOL(acpi_get_child);
+
+/* Link ACPI devices with physical devices */
+static void acpi_glue_data_handler(acpi_handle handle,
+				   u32 function, void *context)
+{
+	/* we provide an empty handler */
+}
+
+/* Note: a success call will increase reference count by one */
+struct device *acpi_get_physical_device(acpi_handle handle)
+{
+	acpi_status status;
+	struct device *dev;
+
+	status = acpi_get_data(handle, acpi_glue_data_handler, (void **)&dev);
+	if (ACPI_SUCCESS(status))
+		return get_device(dev);
+	return NULL;
+}
+
+EXPORT_SYMBOL(acpi_get_physical_device);
+
+static int acpi_bind_one(struct device *dev, acpi_handle handle)
+{
+	acpi_status status;
+
+	if (dev->firmware_data) {
+		printk(KERN_WARNING PREFIX
+		       "Drivers changed 'firmware_data' for %s\n", dev->bus_id);
+		return -EINVAL;
+	}
+	get_device(dev);
+	status = acpi_attach_data(handle, acpi_glue_data_handler, dev);
+	if (ACPI_FAILURE(status)) {
+		put_device(dev);
+		return -EINVAL;
+	}
+	dev->firmware_data = handle;
+
+	return 0;
+}
+
+static int acpi_unbind_one(struct device *dev)
+{
+	if (!dev->firmware_data)
+		return 0;
+	if (dev == acpi_get_physical_device(dev->firmware_data)) {
+		/* acpi_get_physical_device increase refcnt by one */
+		put_device(dev);
+		acpi_detach_data(dev->firmware_data, acpi_glue_data_handler);
+		dev->firmware_data = NULL;
+		/* acpi_bind_one increase refcnt by one */
+		put_device(dev);
+	} else {
+		printk(KERN_ERR PREFIX
+		       "Oops, 'firmware_data' corrupt for %s\n", dev->bus_id);
+	}
+	return 0;
+}
+
+static int acpi_platform_notify(struct device *dev)
+{
+	struct acpi_bus_type *type;
+	acpi_handle handle;
+	int ret = -EINVAL;
+
+	if (!dev->bus || !dev->parent) {
+		/* bridge devices genernally haven't bus or parent */
+		ret = acpi_find_bridge_device(dev, &handle);
+		goto end;
+	}
+	type = acpi_get_bus_type(dev->bus);
+	if (!type) {
+		DBG("No ACPI bus support for %s\n", dev->bus_id);
+		ret = -EINVAL;
+		goto end;
+	}
+	if ((ret = type->find_device(dev, &handle)) != 0)
+		DBG("Can't get handler for %s\n", dev->bus_id);
+      end:
+	if (!ret)
+		acpi_bind_one(dev, handle);
+
+#if ACPI_GLUE_DEBUG
+	if (!ret) {
+		struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+		acpi_get_name(dev->firmware_data, ACPI_FULL_PATHNAME, &buffer);
+		DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer);
+		acpi_os_free(buffer.pointer);
+	} else
+		DBG("Device %s -> No ACPI support\n", dev->bus_id);
+#endif
+
+	return ret;
+}
+
+static int acpi_platform_notify_remove(struct device *dev)
+{
+	acpi_unbind_one(dev);
+	return 0;
+}
+
+static int __init init_acpi_device_notify(void)
+{
+	if (acpi_disabled)
+		return 0;
+	if (platform_notify || platform_notify_remove) {
+		printk(KERN_ERR PREFIX "Can't use platform_notify\n");
+		return 0;
+	}
+	platform_notify = acpi_platform_notify;
+	platform_notify_remove = acpi_platform_notify_remove;
+	return 0;
+}
+
+arch_initcall(init_acpi_device_notify);

drivers/acpi/hardware/hwacpi.c

@@ -58,7 +58,8 @@
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Initialize and validate various ACPI registers
+ * DESCRIPTION: Initialize and validate the various ACPI registers defined in
+ *              the FADT.
  *
  ******************************************************************************/
 
@@ -75,7 +76,7 @@ acpi_hw_initialize (
 	/* We must have the ACPI tables by the time we get here */
 
 	if (!acpi_gbl_FADT) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "A FADT is not loaded\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No FADT is present\n"));
 
 		return_ACPI_STATUS (AE_NO_ACPI_TABLES);
 	}
@@ -131,7 +132,8 @@ acpi_hw_set_mode (
 	 * transitions are not supported.
 	 */
 	if (!acpi_gbl_FADT->acpi_enable && !acpi_gbl_FADT->acpi_disable) {
-		ACPI_REPORT_ERROR (("No ACPI mode transition supported in this system (enable/disable both zero)\n"));
+		ACPI_REPORT_ERROR ((
+			"No ACPI mode transition supported in this system (enable/disable both zero)\n"));
 		return_ACPI_STATUS (AE_OK);
 	}
 
@@ -162,7 +164,8 @@ acpi_hw_set_mode (
 	}
 
 	if (ACPI_FAILURE (status)) {
-		ACPI_REPORT_ERROR (("Could not write mode change, %s\n", acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Could not write mode change, %s\n",
+			acpi_format_exception (status)));
 		return_ACPI_STATUS (status);
 	}
 
@@ -173,7 +176,8 @@ acpi_hw_set_mode (
 	retry = 3000;
 	while (retry) {
 		if (acpi_hw_get_mode() == mode) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n", mode));
+			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n",
+				mode));
 			return_ACPI_STATUS (AE_OK);
 		}
 		acpi_os_stall(1000);
@@ -185,7 +189,7 @@ acpi_hw_set_mode (
 }
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_hw_get_mode
  *
@@ -199,7 +203,8 @@ acpi_hw_set_mode (
  ******************************************************************************/
 
 u32
-acpi_hw_get_mode (void)
+acpi_hw_get_mode (
+	void)
 {
 	acpi_status                     status;
 	u32                             value;

drivers/acpi/hardware/hwgpe.c

@@ -48,6 +48,13 @@
 #define _COMPONENT          ACPI_HARDWARE
 	 ACPI_MODULE_NAME    ("hwgpe")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_hw_enable_wakeup_gpe_block (
+	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
+	struct acpi_gpe_block_info      *gpe_block);
+
 
 /******************************************************************************
  *
@@ -135,6 +142,7 @@ acpi_hw_clear_gpe (
  * DESCRIPTION: Return the status of a single GPE.
  *
  ******************************************************************************/
+
 #ifdef ACPI_FUTURE_USAGE
 acpi_status
 acpi_hw_get_gpe_status (
@@ -206,7 +214,7 @@ unlock_and_exit:
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Disable all GPEs within a GPE block
+ * DESCRIPTION: Disable all GPEs within a single GPE block
  *
  ******************************************************************************/
 
@@ -244,7 +252,7 @@ acpi_hw_disable_gpe_block (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Clear status bits for all GPEs within a GPE block
+ * DESCRIPTION: Clear status bits for all GPEs within a single GPE block
  *
  ******************************************************************************/
 
@@ -282,8 +290,8 @@ acpi_hw_clear_gpe_block (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable all "runtime" GPEs within a GPE block. (Includes
- *              combination wake/run GPEs.)
+ * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes
+ *              combination wake/run GPEs.
  *
  ******************************************************************************/
 
@@ -327,12 +335,12 @@ acpi_hw_enable_runtime_gpe_block (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable all "wake" GPEs within a GPE block.  (Includes
- *              combination wake/run GPEs.)
+ * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes
+ *              combination wake/run GPEs.
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_hw_enable_wakeup_gpe_block (
 	struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
 	struct acpi_gpe_block_info      *gpe_block)
@@ -350,7 +358,8 @@ acpi_hw_enable_wakeup_gpe_block (
 
 		/* Enable all "wake" GPEs in this register */
 
-		status = acpi_hw_low_level_write (8, gpe_block->register_info[i].enable_for_wake,
+		status = acpi_hw_low_level_write (8,
+				 gpe_block->register_info[i].enable_for_wake,
 				 &gpe_block->register_info[i].enable_address);
 		if (ACPI_FAILURE (status)) {
 			return (status);
@@ -369,7 +378,7 @@ acpi_hw_enable_wakeup_gpe_block (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Disable and clear all GPEs
+ * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
  *
  ******************************************************************************/
 
@@ -397,7 +406,7 @@ acpi_hw_disable_all_gpes (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable all GPEs of the given type
+ * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
  *
  ******************************************************************************/
 
@@ -424,7 +433,7 @@ acpi_hw_enable_all_runtime_gpes (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable all GPEs of the given type
+ * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks
  *
  ******************************************************************************/
 

drivers/acpi/hardware/hwregs.c

@@ -87,8 +87,9 @@ acpi_hw_clear_acpi_status (
 		}
 	}
 
-	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
-			  ACPI_BITMASK_ALL_FIXED_STATUS);
+	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1_STATUS,
+			 ACPI_BITMASK_ALL_FIXED_STATUS);
 	if (ACPI_FAILURE (status)) {
 		goto unlock_and_exit;
 	}
@@ -138,28 +139,30 @@ acpi_get_sleep_type_data (
 {
 	acpi_status                     status = AE_OK;
 	struct acpi_parameter_info      info;
+	char                            *sleep_state_name;
 
 
 	ACPI_FUNCTION_TRACE ("acpi_get_sleep_type_data");
 
 
-	/*
-	 * Validate parameters
-	 */
+	/* Validate parameters */
+
 	if ((sleep_state > ACPI_S_STATES_MAX) ||
 		!sleep_type_a || !sleep_type_b) {
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	/*
-	 * Evaluate the namespace object containing the values for this state
-	 */
+	/* Evaluate the namespace object containing the values for this state */
+
 	info.parameters = NULL;
-	status = acpi_ns_evaluate_by_name ((char *) acpi_gbl_sleep_state_names[sleep_state],
-			  &info);
+	info.return_object = NULL;
+	sleep_state_name = (char *) acpi_gbl_sleep_state_names[sleep_state];
+
+	status = acpi_ns_evaluate_by_name (sleep_state_name, &info);
 	if (ACPI_FAILURE (status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s while evaluating sleep_state [%s]\n",
-			acpi_format_exception (status), acpi_gbl_sleep_state_names[sleep_state]));
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"%s while evaluating sleep_state [%s]\n",
+			acpi_format_exception (status), sleep_state_name));
 
 		return_ACPI_STATUS (status);
 	}
@@ -167,45 +170,57 @@ acpi_get_sleep_type_data (
 	/* Must have a return object */
 
 	if (!info.return_object) {
-		ACPI_REPORT_ERROR (("Missing Sleep State object\n"));
+		ACPI_REPORT_ERROR (("No Sleep State object returned from [%s]\n",
+			sleep_state_name));
 		status = AE_NOT_EXIST;
 	}
 
 	/* It must be of type Package */
 
 	else if (ACPI_GET_OBJECT_TYPE (info.return_object) != ACPI_TYPE_PACKAGE) {
-		ACPI_REPORT_ERROR (("Sleep State object not a Package\n"));
+		ACPI_REPORT_ERROR (("Sleep State return object is not a Package\n"));
 		status = AE_AML_OPERAND_TYPE;
 	}
 
-	/* The package must have at least two elements */
-
+	/*
+	 * The package must have at least two elements.  NOTE (March 2005): This
+	 * goes against the current ACPI spec which defines this object as a
+	 * package with one encoded DWORD element.  However, existing practice
+	 * by BIOS vendors seems to be to have 2 or more elements, at least
+	 * one per sleep type (A/B).
+	 */
 	else if (info.return_object->package.count < 2) {
-		ACPI_REPORT_ERROR (("Sleep State package does not have at least two elements\n"));
+		ACPI_REPORT_ERROR ((
+			"Sleep State return package does not have at least two elements\n"));
 		status = AE_AML_NO_OPERAND;
 	}
 
 	/* The first two elements must both be of type Integer */
 
-	else if ((ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[0]) != ACPI_TYPE_INTEGER) ||
-			 (ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[1]) != ACPI_TYPE_INTEGER)) {
-		ACPI_REPORT_ERROR (("Sleep State package elements are not both Integers (%s, %s)\n",
+	else if ((ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[0])
+			 != ACPI_TYPE_INTEGER) ||
+			 (ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[1])
+				!= ACPI_TYPE_INTEGER)) {
+		ACPI_REPORT_ERROR ((
+			"Sleep State return package elements are not both Integers (%s, %s)\n",
 			acpi_ut_get_object_type_name (info.return_object->package.elements[0]),
 			acpi_ut_get_object_type_name (info.return_object->package.elements[1])));
 		status = AE_AML_OPERAND_TYPE;
 	}
 	else {
-		/*
-		 * Valid _Sx_ package size, type, and value
-		 */
-		*sleep_type_a = (u8) (info.return_object->package.elements[0])->integer.value;
-		*sleep_type_b = (u8) (info.return_object->package.elements[1])->integer.value;
+		/* Valid _Sx_ package size, type, and value */
+
+		*sleep_type_a = (u8)
+			(info.return_object->package.elements[0])->integer.value;
+		*sleep_type_b = (u8)
+			(info.return_object->package.elements[1])->integer.value;
 	}
 
 	if (ACPI_FAILURE (status)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"While evaluating sleep_state [%s], bad Sleep object %p type %s\n",
-			acpi_gbl_sleep_state_names[sleep_state], info.return_object,
+			"%s While evaluating sleep_state [%s], bad Sleep object %p type %s\n",
+			acpi_format_exception (status),
+			sleep_state_name, info.return_object,
 			acpi_ut_get_object_type_name (info.return_object)));
 	}
 
@@ -221,9 +236,9 @@ EXPORT_SYMBOL(acpi_get_sleep_type_data);
  *
  * PARAMETERS:  register_id         - Index of ACPI Register to access
  *
- * RETURN:      The bit mask to be used when accessing the register
+ * RETURN:      The bitmask to be used when accessing the register
  *
- * DESCRIPTION: Map register_id into a register bit mask.
+ * DESCRIPTION: Map register_id into a register bitmask.
  *
  ******************************************************************************/
 
@@ -359,7 +374,7 @@ acpi_set_register (
 	/* Always do a register read first so we can insert the new bits  */
 
 	status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK,
-			  bit_reg_info->parent_register, &register_value);
+			 bit_reg_info->parent_register, &register_value);
 	if (ACPI_FAILURE (status)) {
 		goto unlock_and_exit;
 	}
@@ -396,7 +411,7 @@ acpi_set_register (
 				bit_reg_info->access_bit_mask, value);
 
 		status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
-				  ACPI_REGISTER_PM1_ENABLE, (u16) register_value);
+				 ACPI_REGISTER_PM1_ENABLE, (u16) register_value);
 		break;
 
 
@@ -413,7 +428,7 @@ acpi_set_register (
 				bit_reg_info->access_bit_mask, value);
 
 		status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
-				  ACPI_REGISTER_PM1_CONTROL, (u16) register_value);
+				 ACPI_REGISTER_PM1_CONTROL, (u16) register_value);
 		break;
 
 
@@ -427,17 +442,19 @@ acpi_set_register (
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM2 control: Read %X from %8.8X%8.8X\n",
 			register_value,
-			ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address)));
+			ACPI_FORMAT_UINT64 (
+				acpi_gbl_FADT->xpm2_cnt_blk.address)));
 
 		ACPI_REGISTER_INSERT_VALUE (register_value, bit_reg_info->bit_position,
 				bit_reg_info->access_bit_mask, value);
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %4.4X to %8.8X%8.8X\n",
 			register_value,
-			ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address)));
+			ACPI_FORMAT_UINT64 (
+				acpi_gbl_FADT->xpm2_cnt_blk.address)));
 
 		status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
-				   ACPI_REGISTER_PM2_CONTROL, (u8) (register_value));
+				 ACPI_REGISTER_PM2_CONTROL, (u8) (register_value));
 		break;
 
 
@@ -454,7 +471,9 @@ unlock_and_exit:
 
 	/* Normalize the value that was read */
 
-	ACPI_DEBUG_EXEC (register_value = ((register_value & bit_reg_info->access_bit_mask) >> bit_reg_info->bit_position));
+	ACPI_DEBUG_EXEC (register_value =
+		((register_value & bit_reg_info->access_bit_mask) >>
+			bit_reg_info->bit_position));
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Set bits: %8.8X actual %8.8X register %X\n",
 			value, register_value, bit_reg_info->parent_register));
@@ -469,7 +488,7 @@ EXPORT_SYMBOL(acpi_set_register);
  *
  * PARAMETERS:  use_lock            - Mutex hw access
  *              register_id         - register_iD + Offset
- *              return_value        - Value that was read from the register
+ *              return_value        - Where the register value is returned
  *
  * RETURN:      Status and the value read.
  *
@@ -557,7 +576,8 @@ acpi_hw_register_read (
 		break;
 
 	default:
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n", register_id));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n",
+			register_id));
 		status = AE_BAD_PARAMETER;
 		break;
 	}
@@ -763,10 +783,11 @@ acpi_hw_low_level_read (
 		return (AE_BAD_PARAMETER);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Read:  %8.8X width %2d from %8.8X%8.8X (%s)\n",
-			*value, width,
-			ACPI_FORMAT_UINT64 (address),
-			acpi_ut_get_region_name (reg->address_space_id)));
+	ACPI_DEBUG_PRINT ((ACPI_DB_IO,
+		"Read:  %8.8X width %2d from %8.8X%8.8X (%s)\n",
+		*value, width,
+		ACPI_FORMAT_UINT64 (address),
+		acpi_ut_get_region_name (reg->address_space_id)));
 
 	return (status);
 }
@@ -841,10 +862,11 @@ acpi_hw_low_level_write (
 		return (AE_BAD_PARAMETER);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Wrote: %8.8X width %2d   to %8.8X%8.8X (%s)\n",
-			value, width,
-			ACPI_FORMAT_UINT64 (address),
-			acpi_ut_get_region_name (reg->address_space_id)));
+	ACPI_DEBUG_PRINT ((ACPI_DB_IO,
+		"Wrote: %8.8X width %2d   to %8.8X%8.8X (%s)\n",
+		value, width,
+		ACPI_FORMAT_UINT64 (address),
+		acpi_ut_get_region_name (reg->address_space_id)));
 
 	return (status);
 }

drivers/acpi/hardware/hwsleep.c

@@ -43,27 +43,13 @@
  */
 
 #include <linux/module.h>
-
 #include <acpi/acpi.h>
 
 #define _COMPONENT          ACPI_HARDWARE
 	 ACPI_MODULE_NAME    ("hwsleep")
 
 
-#define METHOD_NAME__BFS        "\\_BFS"
-#define METHOD_NAME__GTS        "\\_GTS"
-#define METHOD_NAME__PTS        "\\_PTS"
-#define METHOD_NAME__SST        "\\_SI._SST"
-#define METHOD_NAME__WAK        "\\_WAK"
-
-#define ACPI_SST_INDICATOR_OFF  0
-#define ACPI_SST_WORKING        1
-#define ACPI_SST_WAKING         2
-#define ACPI_SST_SLEEPING       3
-#define ACPI_SST_SLEEP_CONTEXT  4
-
-
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_set_firmware_waking_vector
  *
@@ -72,7 +58,7 @@
  *
  * RETURN:      Status
  *
- * DESCRIPTION: access function for d_firmware_waking_vector field in FACS
+ * DESCRIPTION: Access function for the firmware_waking_vector field in FACS
  *
  ******************************************************************************/
 
@@ -99,19 +85,20 @@ acpi_set_firmware_waking_vector (
 }
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_get_firmware_waking_vector
  *
- * PARAMETERS:  *physical_address   - Output buffer where contents of
+ * PARAMETERS:  *physical_address   - Where the contents of
  *                                    the firmware_waking_vector field of
- *                                    the FACS will be stored.
+ *                                    the FACS will be returned.
  *
- * RETURN:      Status
+ * RETURN:      Status, vector
  *
- * DESCRIPTION: Access function for firmware_waking_vector field in FACS
+ * DESCRIPTION: Access function for the firmware_waking_vector field in FACS
  *
  ******************************************************************************/
+
 #ifdef ACPI_FUTURE_USAGE
 acpi_status
 acpi_get_firmware_waking_vector (
@@ -141,7 +128,7 @@ acpi_get_firmware_waking_vector (
 #endif
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_enter_sleep_state_prep
  *
@@ -215,7 +202,7 @@ acpi_enter_sleep_state_prep (
 		break;
 
 	default:
-		arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is indicator off */
+		arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is off */
 		break;
 	}
 
@@ -223,14 +210,15 @@ acpi_enter_sleep_state_prep (
 
 	status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL);
 	if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) {
-		 ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status)));
+		 ACPI_REPORT_ERROR (("Method _SST failed, %s\n",
+			acpi_format_exception (status)));
 	}
 
 	return_ACPI_STATUS (AE_OK);
 }
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_enter_sleep_state
  *
@@ -299,15 +287,18 @@ acpi_enter_sleep_state (
 
 	/* Get current value of PM1A control */
 
-	status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
+	status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
-	ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "Entering sleep state [S%d]\n", sleep_state));
+	ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
+		"Entering sleep state [S%d]\n", sleep_state));
 
 	/* Clear SLP_EN and SLP_TYP fields */
 
-	PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask | sleep_enable_reg_info->access_bit_mask);
+	PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask |
+			   sleep_enable_reg_info->access_bit_mask);
 	PM1Bcontrol = PM1Acontrol;
 
 	/* Insert SLP_TYP bits */
@@ -322,12 +313,14 @@ acpi_enter_sleep_state (
 
 	/* Write #1: fill in SLP_TYP data */
 
-	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
+	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 
-	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
+	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -341,22 +334,25 @@ acpi_enter_sleep_state (
 
 	ACPI_FLUSH_CPU_CACHE ();
 
-	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
+	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 
-	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
+	status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+			 ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 
 	if (sleep_state > ACPI_STATE_S3) {
 		/*
-		 * We wanted to sleep > S3, but it didn't happen (by virtue of the fact that
-		 * we are still executing!)
+		 * We wanted to sleep > S3, but it didn't happen (by virtue of the
+		 * fact that we are still executing!)
 		 *
-		 * Wait ten seconds, then try again. This is to get S4/S5 to work on all machines.
+		 * Wait ten seconds, then try again. This is to get S4/S5 to work on
+		 * all machines.
 		 *
 		 * We wait so long to allow chipsets that poll this reg very slowly to
 		 * still read the right value. Ideally, this block would go
@@ -364,7 +360,8 @@ acpi_enter_sleep_state (
 		 */
 		acpi_os_stall (10000000);
 
-		status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL,
+		status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
+				 ACPI_REGISTER_PM1_CONTROL,
 				 sleep_enable_reg_info->access_bit_mask);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
@@ -374,7 +371,8 @@ acpi_enter_sleep_state (
 	/* Wait until we enter sleep state */
 
 	do {
-		status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK);
+		status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value,
+			ACPI_MTX_DO_NOT_LOCK);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -388,7 +386,7 @@ acpi_enter_sleep_state (
 EXPORT_SYMBOL(acpi_enter_sleep_state);
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_enter_sleep_state_s4bios
  *
@@ -439,11 +437,13 @@ acpi_enter_sleep_state_s4bios (
 
 	ACPI_FLUSH_CPU_CACHE ();
 
-	status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, (u32) acpi_gbl_FADT->S4bios_req, 8);
+	status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd,
+			 (u32) acpi_gbl_FADT->S4bios_req, 8);
 
 	do {
 		acpi_os_stall(1000);
-		status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK);
+		status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value,
+			ACPI_MTX_DO_NOT_LOCK);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
@@ -454,7 +454,7 @@ acpi_enter_sleep_state_s4bios (
 EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
 
 
-/******************************************************************************
+/*******************************************************************************
  *
  * FUNCTION:    acpi_leave_sleep_state
  *
@@ -534,18 +534,21 @@ acpi_leave_sleep_state (
 	arg.integer.value = ACPI_SST_WAKING;
 	status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL);
 	if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) {
-		ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Method _SST failed, %s\n",
+			acpi_format_exception (status)));
 	}
 
 	arg.integer.value = sleep_state;
 	status = acpi_evaluate_object (NULL, METHOD_NAME__BFS, &arg_list, NULL);
 	if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) {
-		ACPI_REPORT_ERROR (("Method _BFS failed, %s\n", acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Method _BFS failed, %s\n",
+			acpi_format_exception (status)));
 	}
 
 	status = acpi_evaluate_object (NULL, METHOD_NAME__WAK, &arg_list, NULL);
 	if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) {
-		ACPI_REPORT_ERROR (("Method _WAK failed, %s\n", acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Method _WAK failed, %s\n",
+			acpi_format_exception (status)));
 	}
 	/* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
 
@@ -567,15 +570,19 @@ acpi_leave_sleep_state (
 
 	/* Enable power button */
 
-	(void) acpi_set_register(acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].enable_register_id,
+	(void) acpi_set_register(
+			acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].enable_register_id,
 			1, ACPI_MTX_DO_NOT_LOCK);
-	(void) acpi_set_register(acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].status_register_id,
+
+	(void) acpi_set_register(
+			acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].status_register_id,
 			1, ACPI_MTX_DO_NOT_LOCK);
 
 	arg.integer.value = ACPI_SST_WORKING;
 	status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL);
 	if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) {
-		ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Method _SST failed, %s\n",
+			acpi_format_exception (status)));
 	}
 
 	return_ACPI_STATUS (status);

drivers/acpi/hardware/hwtimer.c

@@ -43,7 +43,6 @@
  */
 
 #include <linux/module.h>
-
 #include <acpi/acpi.h>
 
 #define _COMPONENT          ACPI_HARDWARE
@@ -90,7 +89,7 @@ acpi_get_timer_resolution (
  *
  * PARAMETERS:  Ticks               - Where the timer value is returned
  *
- * RETURN:      Status and current ticks
+ * RETURN:      Status and current timer value (ticks)
  *
  * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks).
  *
@@ -199,5 +198,6 @@ acpi_get_timer_duration (
 	*time_elapsed = (u32) quotient;
 	return_ACPI_STATUS (status);
 }
+
 EXPORT_SYMBOL(acpi_get_timer_duration);
 

drivers/acpi/hotkey.c

@@ -0,0 +1,1019 @@
+/* 
+ *  hotkey.c - ACPI Hotkey Driver ($Revision:$)
+ *
+ *  Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/kmod.h>
+#include <linux/seq_file.h>
+#include <acpi/acpi_drivers.h>
+#include <acpi/acpi_bus.h>
+#include <asm/uaccess.h>
+
+#define HOTKEY_ACPI_VERSION "0.1"
+
+#define HOTKEY_PROC "hotkey"
+#define HOTKEY_EV_CONFIG    "event_config"
+#define HOTKEY_PL_CONFIG    "poll_config"
+#define HOTKEY_ACTION   "action"
+#define HOTKEY_INFO "info"
+
+#define ACPI_HOTK_NAME          "Generic Hotkey Driver"
+#define ACPI_HOTK_CLASS         "Hotkey"
+#define ACPI_HOTK_DEVICE_NAME   "Hotkey"
+#define ACPI_HOTK_HID           "Unknown?"
+#define ACPI_HOTKEY_COMPONENT   0x20000000
+
+#define ACPI_HOTKEY_EVENT   0x1
+#define ACPI_HOTKEY_POLLING 0x2
+#define ACPI_UNDEFINED_EVENT    0xf
+
+#define MAX_CONFIG_RECORD_LEN   80
+#define MAX_NAME_PATH_LEN   80
+#define MAX_CALL_PARM       80
+
+#define IS_EVENT(e)       0xff	/* ((e) & 0x40000000)  */
+#define IS_POLL(e)      0xff	/* (~((e) & 0x40000000))  */
+
+#define _COMPONENT              ACPI_HOTKEY_COMPONENT
+ACPI_MODULE_NAME("acpi_hotkey")
+
+    MODULE_AUTHOR("luming.yu@intel.com");
+MODULE_DESCRIPTION(ACPI_HOTK_NAME);
+MODULE_LICENSE("GPL");
+
+/*  standardized internal hotkey number/event  */
+enum {
+	/* Video Extension event */
+	HK_EVENT_CYCLE_OUTPUT_DEVICE = 0x80,
+	HK_EVENT_OUTPUT_DEVICE_STATUS_CHANGE,
+	HK_EVENT_CYCLE_DISPLAY_OUTPUT,
+	HK_EVENT_NEXT_DISPLAY_OUTPUT,
+	HK_EVENT_PREVIOUS_DISPLAY_OUTPUT,
+	HK_EVENT_CYCLE_BRIGHTNESS,
+	HK_EVENT_INCREASE_BRIGHTNESS,
+	HK_EVENT_DECREASE_BRIGHTNESS,
+	HK_EVENT_ZERO_BRIGHTNESS,
+	HK_EVENT_DISPLAY_DEVICE_OFF,
+
+	/* Snd Card event */
+	HK_EVENT_VOLUME_MUTE,
+	HK_EVENT_VOLUME_INCLREASE,
+	HK_EVENT_VOLUME_DECREASE,
+
+	/* running state control */
+	HK_EVENT_ENTERRING_S3,
+	HK_EVENT_ENTERRING_S4,
+	HK_EVENT_ENTERRING_S5,
+};
+
+/*  procdir we use */
+static struct proc_dir_entry *hotkey_proc_dir;
+static struct proc_dir_entry *hotkey_config;
+static struct proc_dir_entry *hotkey_poll_config;
+static struct proc_dir_entry *hotkey_action;
+static struct proc_dir_entry *hotkey_info;
+
+/* linkage for all type of hotkey */
+struct acpi_hotkey_link {
+	struct list_head entries;
+	int hotkey_type;	/* event or polling based hotkey  */
+	int hotkey_standard_num;	/* standardized hotkey(event) number */
+};
+
+/* event based hotkey */
+struct acpi_event_hotkey {
+	struct acpi_hotkey_link hotkey_link;
+	int flag;
+	acpi_handle bus_handle;	/* bus to install notify handler */
+	int external_hotkey_num;	/* external hotkey/event number */
+	acpi_handle action_handle;	/* acpi handle attached aml action method */
+	char *action_method;	/* action method */
+};
+
+/* 
+ * There are two ways to poll status
+ * 1. directy call read_xxx method, without any arguments passed in
+ * 2. call write_xxx method, with arguments passed in, you need
+ * the result is saved in acpi_polling_hotkey.poll_result.
+ * anthoer read command through polling interface.
+ *
+ */
+
+/* polling based hotkey */
+struct acpi_polling_hotkey {
+	struct acpi_hotkey_link hotkey_link;
+	int flag;
+	acpi_handle poll_handle;	/* acpi handle attached polling method */
+	char *poll_method;	/* poll method */
+	acpi_handle action_handle;	/* acpi handle attached action method */
+	char *action_method;	/* action method */
+	void *poll_result;	/* polling_result */
+	struct proc_dir_entry *proc;
+};
+
+/* hotkey object union */
+union acpi_hotkey {
+	struct list_head entries;
+	struct acpi_hotkey_link link;
+	struct acpi_event_hotkey event_hotkey;
+	struct acpi_polling_hotkey poll_hotkey;
+};
+
+/* hotkey object list */
+struct acpi_hotkey_list {
+	struct list_head *entries;
+	int count;
+};
+
+static int auto_hotkey_add(struct acpi_device *device);
+static int auto_hotkey_remove(struct acpi_device *device, int type);
+
+static struct acpi_driver hotkey_driver = {
+	.name = ACPI_HOTK_NAME,
+	.class = ACPI_HOTK_CLASS,
+	.ids = ACPI_HOTK_HID,
+	.ops = {
+		.add = auto_hotkey_add,
+		.remove = auto_hotkey_remove,
+		},
+};
+
+static int hotkey_open_config(struct inode *inode, struct file *file);
+static ssize_t hotkey_write_config(struct file *file,
+				   const char __user * buffer,
+				   size_t count, loff_t * data);
+static ssize_t hotkey_write_poll_config(struct file *file,
+					const char __user * buffer,
+					size_t count, loff_t * data);
+static int hotkey_info_open_fs(struct inode *inode, struct file *file);
+static int hotkey_action_open_fs(struct inode *inode, struct file *file);
+static ssize_t hotkey_execute_aml_method(struct file *file,
+					 const char __user * buffer,
+					 size_t count, loff_t * data);
+static int hotkey_config_seq_show(struct seq_file *seq, void *offset);
+static int hotkey_polling_open_fs(struct inode *inode, struct file *file);
+
+/* event based config */
+static struct file_operations hotkey_config_fops = {
+	.open = hotkey_open_config,
+	.read = seq_read,
+	.write = hotkey_write_config,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+/* polling based config */
+static struct file_operations hotkey_poll_config_fops = {
+	.open = hotkey_open_config,
+	.read = seq_read,
+	.write = hotkey_write_poll_config,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+/* hotkey driver info */
+static struct file_operations hotkey_info_fops = {
+	.open = hotkey_info_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+/* action */
+static struct file_operations hotkey_action_fops = {
+	.open = hotkey_action_open_fs,
+	.read = seq_read,
+	.write = hotkey_execute_aml_method,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+/* polling results */
+static struct file_operations hotkey_polling_fops = {
+	.open = hotkey_polling_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+struct acpi_hotkey_list global_hotkey_list;	/* link all ev or pl hotkey  */
+struct list_head hotkey_entries;	/* head of the list of hotkey_list */
+
+static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
+{
+	ACPI_FUNCTION_TRACE("hotkey_info_seq_show");
+
+	seq_printf(seq, "Hotkey generic driver ver: %s", HOTKEY_ACPI_VERSION);
+
+	return_VALUE(0);
+}
+
+static int hotkey_info_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, hotkey_info_seq_show, PDE(inode)->data);
+}
+
+static char *format_result(union acpi_object *object)
+{
+	char *buf = (char *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+
+	memset(buf, 0, sizeof(union acpi_object));
+
+	/* Now, just support integer type */
+	if (object->type == ACPI_TYPE_INTEGER)
+		sprintf(buf, "%d", (u32) object->integer.value);
+
+	return buf;
+}
+
+static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_polling_hotkey *poll_hotkey =
+	    (struct acpi_polling_hotkey *)seq->private;
+
+	ACPI_FUNCTION_TRACE("hotkey_polling_seq_show");
+
+	if (poll_hotkey->poll_result)
+		seq_printf(seq, "%s", format_result(poll_hotkey->poll_result));
+
+	return_VALUE(0);
+}
+
+static int hotkey_polling_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, hotkey_polling_seq_show, PDE(inode)->data);
+}
+
+static int hotkey_action_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, hotkey_info_seq_show, PDE(inode)->data);
+}
+
+/* Mapping external hotkey number to standardized hotkey event num */
+static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
+{
+	struct list_head *entries, *next;
+	int val = 0;
+
+	ACPI_FUNCTION_TRACE("hotkey_get_internal_event");
+
+	list_for_each_safe(entries, next, list->entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
+		    && key->event_hotkey.external_hotkey_num == event)
+			val = key->link.hotkey_standard_num;
+		else
+			val = -1;
+	}
+
+	return_VALUE(val);
+}
+
+static void
+acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data)
+{
+	struct acpi_device *device = NULL;
+	u32 internal_event;
+
+	ACPI_FUNCTION_TRACE("acpi_hotkey_notify_handler");
+
+	if (acpi_bus_get_device(handle, &device))
+		return_VOID;
+
+	internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
+	acpi_bus_generate_event(device, event, 0);
+
+	return_VOID;
+}
+
+/* Need to invent automatically hotkey add method */
+static int auto_hotkey_add(struct acpi_device *device)
+{
+	/* Implement me */
+	return 0;
+}
+
+/* Need to invent automatically hotkey remove method */
+static int auto_hotkey_remove(struct acpi_device *device, int type)
+{
+	/* Implement me */
+	return 0;
+}
+
+/* Create a proc file for each polling method */
+static int create_polling_proc(union acpi_hotkey *device)
+{
+	struct proc_dir_entry *proc;
+	mode_t mode;
+
+	ACPI_FUNCTION_TRACE("create_polling_proc");
+	mode = S_IFREG | S_IRUGO | S_IWUGO;
+
+	proc = create_proc_entry(device->poll_hotkey.action_method,
+				 mode, hotkey_proc_dir);
+
+	if (!proc) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  device->poll_hotkey.poll_method));
+		return_VALUE(-ENODEV);
+	} else {
+		proc->proc_fops = &hotkey_polling_fops;
+		proc->owner = THIS_MODULE;
+		proc->data = device;
+		proc->uid = 0;
+		proc->gid = 0;
+		device->poll_hotkey.proc = proc;
+	}
+	return_VALUE(0);
+}
+
+static int is_valid_acpi_path(const char *pathname)
+{
+	acpi_handle handle;
+	acpi_status status;
+	ACPI_FUNCTION_TRACE("is_valid_acpi_path");
+
+	status = acpi_get_handle(NULL, (char *)pathname, &handle);
+	return_VALUE(!ACPI_FAILURE(status));
+}
+
+static int is_valid_hotkey(union acpi_hotkey *device)
+{
+	ACPI_FUNCTION_TRACE("is_valid_hotkey");
+	/* Implement valid check */
+	return_VALUE(1);
+}
+
+static int hotkey_add(union acpi_hotkey *device)
+{
+	int status = 0;
+	struct acpi_device *dev = NULL;
+
+	ACPI_FUNCTION_TRACE("hotkey_add");
+
+	if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
+		status =
+		    acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
+		if (status)
+			return_VALUE(status);
+
+		status = acpi_install_notify_handler(dev->handle,
+						     ACPI_SYSTEM_NOTIFY,
+						     acpi_hotkey_notify_handler,
+						     device);
+	} else			/* Add polling hotkey */
+		create_polling_proc(device);
+
+	global_hotkey_list.count++;
+
+	list_add_tail(&device->link.entries, global_hotkey_list.entries);
+
+	return_VALUE(status);
+}
+
+static int hotkey_remove(union acpi_hotkey *device)
+{
+	struct list_head *entries, *next;
+
+	ACPI_FUNCTION_TRACE("hotkey_remove");
+
+	list_for_each_safe(entries, next, global_hotkey_list.entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_standard_num ==
+		    device->link.hotkey_standard_num) {
+			list_del(&key->link.entries);
+			remove_proc_entry(key->poll_hotkey.action_method,
+					  hotkey_proc_dir);
+			global_hotkey_list.count--;
+			break;
+		}
+	}
+	return_VALUE(0);
+}
+
+static void hotkey_update(union acpi_hotkey *key)
+{
+	struct list_head *entries, *next;
+
+	ACPI_FUNCTION_TRACE("hotkey_update");
+
+	list_for_each_safe(entries, next, global_hotkey_list.entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_standard_num ==
+		    key->link.hotkey_standard_num) {
+			key->event_hotkey.bus_handle =
+			    key->event_hotkey.bus_handle;
+			key->event_hotkey.external_hotkey_num =
+			    key->event_hotkey.external_hotkey_num;
+			key->event_hotkey.action_handle =
+			    key->event_hotkey.action_handle;
+			key->event_hotkey.action_method =
+			    key->event_hotkey.action_method;
+			break;
+		}
+	}
+
+	return_VOID;
+}
+
+static void free_hotkey_device(union acpi_hotkey *key)
+{
+	struct acpi_device *dev;
+	int status;
+
+	ACPI_FUNCTION_TRACE("free_hotkey_device");
+
+	if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
+		status =
+		    acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
+		if (dev->handle)
+			acpi_remove_notify_handler(dev->handle,
+						   ACPI_SYSTEM_NOTIFY,
+						   acpi_hotkey_notify_handler);
+	} else
+		remove_proc_entry(key->poll_hotkey.action_method,
+				  hotkey_proc_dir);
+	kfree(key);
+	return_VOID;
+}
+
+static int
+init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str,
+		   char *method, int std_num, int external_num)
+{
+	ACPI_FUNCTION_TRACE("init_hotkey_device");
+
+	key->link.hotkey_type = ACPI_HOTKEY_EVENT;
+	key->link.hotkey_standard_num = std_num;
+	key->event_hotkey.flag = 0;
+	if (is_valid_acpi_path(bus_str))
+		acpi_get_handle((acpi_handle) 0,
+				bus_str, &(key->event_hotkey.bus_handle));
+	else
+		return_VALUE(-ENODEV);
+	key->event_hotkey.external_hotkey_num = external_num;
+	if (is_valid_acpi_path(action_str))
+		acpi_get_handle((acpi_handle) 0,
+				action_str, &(key->event_hotkey.action_handle));
+	key->event_hotkey.action_method = kmalloc(sizeof(method), GFP_KERNEL);
+	strcpy(key->event_hotkey.action_method, method);
+
+	return_VALUE(!is_valid_hotkey(key));
+}
+
+static int
+init_poll_hotkey_device(union acpi_hotkey *key,
+			char *poll_str,
+			char *poll_method,
+			char *action_str, char *action_method, int std_num)
+{
+	ACPI_FUNCTION_TRACE("init_poll_hotkey_device");
+
+	key->link.hotkey_type = ACPI_HOTKEY_POLLING;
+	key->link.hotkey_standard_num = std_num;
+	key->poll_hotkey.flag = 0;
+	if (is_valid_acpi_path(poll_str))
+		acpi_get_handle((acpi_handle) 0,
+				poll_str, &(key->poll_hotkey.poll_handle));
+	else
+		return_VALUE(-ENODEV);
+	key->poll_hotkey.poll_method = poll_method;
+	if (is_valid_acpi_path(action_str))
+		acpi_get_handle((acpi_handle) 0,
+				action_str, &(key->poll_hotkey.action_handle));
+	key->poll_hotkey.action_method =
+	    kmalloc(sizeof(action_method), GFP_KERNEL);
+	strcpy(key->poll_hotkey.action_method, action_method);
+	key->poll_hotkey.poll_result =
+	    (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+	return_VALUE(is_valid_hotkey(key));
+}
+
+static int check_hotkey_valid(union acpi_hotkey *key,
+			      struct acpi_hotkey_list *list)
+{
+	ACPI_FUNCTION_TRACE("check_hotkey_valid");
+	return_VALUE(0);
+}
+
+static int hotkey_open_config(struct inode *inode, struct file *file)
+{
+	ACPI_FUNCTION_TRACE("hotkey_open_config");
+	return_VALUE(single_open
+		     (file, hotkey_config_seq_show, PDE(inode)->data));
+}
+
+static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
+	struct list_head *entries, *next;
+	char bus_name[ACPI_PATHNAME_MAX] = { 0 };
+	char action_name[ACPI_PATHNAME_MAX] = { 0 };
+	struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
+	struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
+
+	ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
+
+	if (!hotkey_list)
+		goto end;
+
+	list_for_each_safe(entries, next, hotkey_list->entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
+			acpi_get_name(key->event_hotkey.bus_handle,
+				      ACPI_NAME_TYPE_MAX, &bus);
+			acpi_get_name(key->event_hotkey.action_handle,
+				      ACPI_NAME_TYPE_MAX, &act);
+			seq_printf(seq, "%s:%s:%s:%d:%d", bus_name,
+				   action_name,
+				   key->event_hotkey.action_method,
+				   key->link.hotkey_standard_num,
+				   key->event_hotkey.external_hotkey_num);
+		} /* ACPI_HOTKEY_POLLING */
+		else {
+			acpi_get_name(key->poll_hotkey.poll_handle,
+				      ACPI_NAME_TYPE_MAX, &bus);
+			acpi_get_name(key->poll_hotkey.action_handle,
+				      ACPI_NAME_TYPE_MAX, &act);
+			seq_printf(seq, "%s:%s:%s:%s:%d", bus_name,
+				   key->poll_hotkey.poll_method,
+				   action_name,
+				   key->poll_hotkey.action_method,
+				   key->link.hotkey_standard_num);
+		}
+	}
+	seq_puts(seq, "\n");
+      end:
+	return_VALUE(0);
+}
+
+static int
+get_parms(char *config_record,
+	  int *cmd,
+	  char *bus_handle,
+	  char *bus_method,
+	  char *action_handle,
+	  char *method, int *internal_event_num, int *external_event_num)
+{
+	char *tmp, *tmp1;
+	ACPI_FUNCTION_TRACE(("get_parms"));
+
+	sscanf(config_record, "%d", cmd);
+
+	tmp = strchr(config_record, ':');
+	tmp++;
+	tmp1 = strchr(tmp, ':');
+	strncpy(bus_handle, tmp, tmp1 - tmp);
+	bus_handle[tmp1 - tmp] = 0;
+
+	tmp = tmp1;
+	tmp++;
+	tmp1 = strchr(tmp, ':');
+	strncpy(bus_method, tmp, tmp1 - tmp);
+	bus_method[tmp1 - tmp] = 0;
+
+	tmp = tmp1;
+	tmp++;
+	tmp1 = strchr(tmp, ':');
+	strncpy(action_handle, tmp, tmp1 - tmp);
+	action_handle[tmp1 - tmp] = 0;
+
+	tmp = tmp1;
+	tmp++;
+	tmp1 = strchr(tmp, ':');
+	strncpy(method, tmp, tmp1 - tmp);
+	method[tmp1 - tmp] = 0;
+
+	sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num);
+	return_VALUE(6);
+}
+
+/*  count is length for one input record */
+static ssize_t hotkey_write_config(struct file *file,
+				   const char __user * buffer,
+				   size_t count, loff_t * data)
+{
+	struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
+	char config_record[MAX_CONFIG_RECORD_LEN];
+	char bus_handle[MAX_NAME_PATH_LEN];
+	char bus_method[MAX_NAME_PATH_LEN];
+	char action_handle[MAX_NAME_PATH_LEN];
+	char method[20];
+	int cmd, internal_event_num, external_event_num;
+	int ret = 0;
+	union acpi_hotkey *key = NULL;
+
+	ACPI_FUNCTION_TRACE(("hotkey_write_config"));
+
+	if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n"));
+		return_VALUE(-EINVAL);
+	}
+
+	if (copy_from_user(config_record, buffer, count)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
+		return_VALUE(-EINVAL);
+	}
+	config_record[count] = '\0';
+
+	ret = get_parms(config_record,
+			&cmd,
+			bus_handle,
+			bus_method,
+			action_handle,
+			method, &internal_event_num, &external_event_num);
+	if (ret != 6) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Invalid data format ret=%d\n", ret));
+		return_VALUE(-EINVAL);
+	}
+
+	key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
+	ret = init_hotkey_device(key, bus_handle, action_handle, method,
+				 internal_event_num, external_event_num);
+
+	if (ret || check_hotkey_valid(key, hotkey_list)) {
+		kfree(key);
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
+		return_VALUE(-EINVAL);
+	}
+	switch (cmd) {
+	case 0:
+		hotkey_add(key);
+		break;
+	case 1:
+		hotkey_remove(key);
+		free_hotkey_device(key);
+		break;
+	case 2:
+		hotkey_update(key);
+		break;
+	default:
+		break;
+	}
+	return_VALUE(count);
+}
+
+/*  count is length for one input record */
+static ssize_t hotkey_write_poll_config(struct file *file,
+					const char __user * buffer,
+					size_t count, loff_t * data)
+{
+	struct seq_file *m = (struct seq_file *)file->private_data;
+	struct acpi_hotkey_list *hotkey_list =
+	    (struct acpi_hotkey_list *)m->private;
+
+	char config_record[MAX_CONFIG_RECORD_LEN];
+	char polling_handle[MAX_NAME_PATH_LEN];
+	char action_handle[MAX_NAME_PATH_LEN];
+	char poll_method[20], action_method[20];
+	int ret, internal_event_num, cmd, external_event_num;
+	union acpi_hotkey *key = NULL;
+
+	ACPI_FUNCTION_TRACE("hotkey_write_poll_config");
+
+	if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n"));
+		return_VALUE(-EINVAL);
+	}
+
+	if (copy_from_user(config_record, buffer, count)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
+		return_VALUE(-EINVAL);
+	}
+	config_record[count] = '\0';
+
+	ret = get_parms(config_record,
+			&cmd,
+			polling_handle,
+			poll_method,
+			action_handle,
+			action_method,
+			&internal_event_num, &external_event_num);
+
+	if (ret != 6) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
+		return_VALUE(-EINVAL);
+	}
+
+	key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
+	ret = init_poll_hotkey_device(key, polling_handle, poll_method,
+				      action_handle, action_method,
+				      internal_event_num);
+	if (ret || check_hotkey_valid(key, hotkey_list)) {
+		kfree(key);
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
+		return_VALUE(-EINVAL);
+	}
+	switch (cmd) {
+	case 0:
+		hotkey_add(key);
+		break;
+	case 1:
+		hotkey_remove(key);
+		break;
+	case 2:
+		hotkey_update(key);
+		break;
+	default:
+		break;
+	}
+	return_VALUE(count);
+}
+
+/*  
+ * This function evaluates an ACPI method, given an int as parameter, the
+ * method is searched within the scope of the handle, can be NULL. The output
+ * of the method is written is output, which can also be NULL
+ *
+ * returns 1 if write is successful, 0 else.
+ */
+static int write_acpi_int(acpi_handle handle, const char *method, int val,
+			  struct acpi_buffer *output)
+{
+	struct acpi_object_list params;	/* list of input parameters (an int here) */
+	union acpi_object in_obj;	/* the only param we use */
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE("write_acpi_int");
+	params.count = 1;
+	params.pointer = &in_obj;
+	in_obj.type = ACPI_TYPE_INTEGER;
+	in_obj.integer.value = val;
+
+	status = acpi_evaluate_object(handle, (char *)method, &params, output);
+
+	return_VALUE(status == AE_OK);
+}
+
+static int read_acpi_int(acpi_handle handle, const char *method, int *val)
+{
+	struct acpi_buffer output;
+	union acpi_object out_obj;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE("read_acpi_int");
+	output.length = sizeof(out_obj);
+	output.pointer = &out_obj;
+
+	status = acpi_evaluate_object(handle, (char *)method, NULL, &output);
+	*val = out_obj.integer.value;
+	return_VALUE((status == AE_OK)
+		     && (out_obj.type == ACPI_TYPE_INTEGER));
+}
+
+static acpi_handle
+get_handle_from_hotkeylist(struct acpi_hotkey_list *hotkey_list, int event_num)
+{
+	struct list_head *entries, *next;
+
+	list_for_each_safe(entries, next, hotkey_list->entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
+		    && key->link.hotkey_standard_num == event_num) {
+			return (key->event_hotkey.action_handle);
+		}
+	}
+	return (NULL);
+}
+
+static
+char *get_method_from_hotkeylist(struct acpi_hotkey_list *hotkey_list,
+				 int event_num)
+{
+	struct list_head *entries, *next;
+
+	list_for_each_safe(entries, next, hotkey_list->entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+
+		if (key->link.hotkey_type == ACPI_HOTKEY_EVENT &&
+		    key->link.hotkey_standard_num == event_num)
+			return (key->event_hotkey.action_method);
+	}
+	return (NULL);
+}
+
+static struct acpi_polling_hotkey *get_hotkey_by_event(struct
+						       acpi_hotkey_list
+						       *hotkey_list, int event)
+{
+	struct list_head *entries, *next;
+
+	list_for_each_safe(entries, next, hotkey_list->entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+		if (key->link.hotkey_type == ACPI_HOTKEY_POLLING
+		    && key->link.hotkey_standard_num == event) {
+			return (&key->poll_hotkey);
+		}
+	}
+	return (NULL);
+}
+
+/*  
+ * user call AML method interface:
+ * Call convention:
+ * echo "event_num: arg type : value"
+ * example: echo "1:1:30" > /proc/acpi/action
+ * Just support 1 integer arg passing to AML method
+ */
+
+static ssize_t hotkey_execute_aml_method(struct file *file,
+					 const char __user * buffer,
+					 size_t count, loff_t * data)
+{
+	struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
+	char arg[MAX_CALL_PARM];
+	int event, type, value;
+
+	char *method;
+	acpi_handle handle;
+
+	ACPI_FUNCTION_TRACE("hotkey_execte_aml_method");
+
+	if (!hotkey_list || count > MAX_CALL_PARM) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 1"));
+		return_VALUE(-EINVAL);
+	}
+
+	if (copy_from_user(arg, buffer, count)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2"));
+		return_VALUE(-EINVAL);
+	}
+
+	arg[count] = '\0';
+
+	if (sscanf(arg, "%d:%d:%d", &event, &type, &value) != 3) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3"));
+		return_VALUE(-EINVAL);
+	}
+
+	if (type == ACPI_TYPE_INTEGER) {
+		handle = get_handle_from_hotkeylist(hotkey_list, event);
+		method = (char *)get_method_from_hotkeylist(hotkey_list, event);
+		if (IS_EVENT(event))
+			write_acpi_int(handle, method, value, NULL);
+		else if (IS_POLL(event)) {
+			struct acpi_polling_hotkey *key;
+			key = (struct acpi_polling_hotkey *)
+			    get_hotkey_by_event(hotkey_list, event);
+			read_acpi_int(handle, method, key->poll_result);
+		}
+	} else {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported"));
+		return_VALUE(-EINVAL);
+	}
+
+	return_VALUE(count);
+}
+
+static int __init hotkey_init(void)
+{
+	int result;
+	mode_t mode = S_IFREG | S_IRUGO | S_IWUGO;
+
+	ACPI_FUNCTION_TRACE("hotkey_init");
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	if (acpi_specific_hotkey_enabled) {
+		printk("Using specific hotkey driver\n");
+		return -ENODEV;
+	}
+
+	hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir);
+	if (!hotkey_proc_dir) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  HOTKEY_PROC));
+		return (-ENODEV);
+	}
+	hotkey_proc_dir->owner = THIS_MODULE;
+
+	hotkey_config =
+	    create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir);
+	if (!hotkey_config) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  HOTKEY_EV_CONFIG));
+		return (-ENODEV);
+	} else {
+		hotkey_config->proc_fops = &hotkey_config_fops;
+		hotkey_config->data = &global_hotkey_list;
+		hotkey_config->owner = THIS_MODULE;
+		hotkey_config->uid = 0;
+		hotkey_config->gid = 0;
+	}
+
+	hotkey_poll_config =
+	    create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir);
+	if (!hotkey_poll_config) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  HOTKEY_EV_CONFIG));
+		return (-ENODEV);
+	} else {
+		hotkey_poll_config->proc_fops = &hotkey_poll_config_fops;
+		hotkey_poll_config->data = &global_hotkey_list;
+		hotkey_poll_config->owner = THIS_MODULE;
+		hotkey_poll_config->uid = 0;
+		hotkey_poll_config->gid = 0;
+	}
+
+	hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir);
+	if (!hotkey_action) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  HOTKEY_ACTION));
+		return (-ENODEV);
+	} else {
+		hotkey_action->proc_fops = &hotkey_action_fops;
+		hotkey_action->owner = THIS_MODULE;
+		hotkey_action->uid = 0;
+		hotkey_action->gid = 0;
+	}
+
+	hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir);
+	if (!hotkey_info) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Hotkey: Unable to create %s entry\n",
+				  HOTKEY_INFO));
+		return (-ENODEV);
+	} else {
+		hotkey_info->proc_fops = &hotkey_info_fops;
+		hotkey_info->owner = THIS_MODULE;
+		hotkey_info->uid = 0;
+		hotkey_info->gid = 0;
+	}
+
+	result = acpi_bus_register_driver(&hotkey_driver);
+	if (result < 0) {
+		remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
+		return (-ENODEV);
+	}
+	global_hotkey_list.count = 0;
+	global_hotkey_list.entries = &hotkey_entries;
+
+	INIT_LIST_HEAD(&hotkey_entries);
+
+	return (0);
+}
+
+static void __exit hotkey_exit(void)
+{
+	struct list_head *entries, *next;
+
+	ACPI_FUNCTION_TRACE("hotkey_remove");
+
+	list_for_each_safe(entries, next, global_hotkey_list.entries) {
+		union acpi_hotkey *key =
+		    container_of(entries, union acpi_hotkey, entries);
+
+		acpi_os_wait_events_complete(NULL);
+		list_del(&key->link.entries);
+		global_hotkey_list.count--;
+		free_hotkey_device(key);
+	}
+	acpi_bus_unregister_driver(&hotkey_driver);
+	remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir);
+	remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir);
+	remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir);
+	remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir);
+	remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
+	return;
+}
+
+module_init(hotkey_init);
+module_exit(hotkey_exit);

drivers/acpi/ibm_acpi.c

@@ -1025,7 +1025,7 @@ static int setup_notify(struct ibm_struct *ibm)
 	return 0;
 }
 
-static int device_add(struct acpi_device *device)
+static int ibmacpi_device_add(struct acpi_device *device)
 {
 	return 0;
 }
@@ -1043,7 +1043,7 @@ static int register_driver(struct ibm_struct *ibm)
 	memset(ibm->driver, 0, sizeof(struct acpi_driver));
 	sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name);
 	ibm->driver->ids = ibm->hid;
-	ibm->driver->ops.add = &device_add;
+	ibm->driver->ops.add = &ibmacpi_device_add;
 
 	ret = acpi_bus_register_driver(ibm->driver);
 	if (ret < 0) {
@@ -1185,6 +1185,10 @@ static int __init acpi_ibm_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
+	if (!acpi_specific_hotkey_enabled){
+		printk(IBM_ERR "Using generic hotkey driver\n");
+		return -ENODEV;	
+	}
 	/* these handles are required */
 	if (IBM_HANDLE_INIT(ec,	  1) < 0 ||
 	    IBM_HANDLE_INIT(hkey, 1) < 0 ||

drivers/acpi/namespace/nsaccess.c

@@ -67,7 +67,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_root_initialize (void)
+acpi_ns_root_initialize (
+	void)
 {
 	acpi_status                         status;
 	const struct acpi_predefined_names *init_val = NULL;
@@ -265,7 +266,7 @@ unlock_and_exit:
  *
  * FUNCTION:    acpi_ns_lookup
  *
- * PARAMETERS:  prefix_node     - Search scope if name is not fully qualified
+ * PARAMETERS:  scope_info      - Current scope info block
  *              Pathname        - Search pathname, in internal format
  *                                (as represented in the AML stream)
  *              Type            - Type associated with name

drivers/acpi/namespace/nsalloc.c

@@ -49,14 +49,20 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsalloc")
 
+/* Local prototypes */
+
+static void
+acpi_ns_remove_reference (
+	struct acpi_namespace_node      *node);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_create_node
  *
- * PARAMETERS:  acpi_name       - Name of the new node
+ * PARAMETERS:  Name            - Name of the new node (4 char ACPI name)
  *
- * RETURN:      None
+ * RETURN:      New namespace node (Null on failure)
  *
  * DESCRIPTION: Create a namespace node
  *
@@ -145,7 +151,6 @@ acpi_ns_delete_node (
 		}
 	}
 
-
 	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
 
 	/*
@@ -157,57 +162,6 @@ acpi_ns_delete_node (
 }
 
 
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_compare_names
- *
- * PARAMETERS:  Name1           - First name to compare
- *              Name2           - Second name to compare
- *
- * RETURN:      value from strncmp
- *
- * DESCRIPTION: Compare two ACPI names.  Names that are prefixed with an
- *              underscore are forced to be alphabetically first.
- *
- ******************************************************************************/
-
-int
-acpi_ns_compare_names (
-	char                            *name1,
-	char                            *name2)
-{
-	char                            reversed_name1[ACPI_NAME_SIZE];
-	char                            reversed_name2[ACPI_NAME_SIZE];
-	u32                             i;
-	u32                             j;
-
-
-	/*
-	 * Replace all instances of "underscore" with a value that is smaller so
-	 * that all names that are prefixed with underscore(s) are alphabetically
-	 * first.
-	 *
-	 * Reverse the name bytewise so we can just do a 32-bit compare instead
-	 * of a strncmp.
-	 */
-	for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
-		reversed_name1[j] = name1[i];
-		if (name1[i] == '_') {
-			reversed_name1[j] = '*';
-		}
-
-		reversed_name2[j] = name2[i];
-		if (name2[i] == '_') {
-			reversed_name2[j] = '*';
-		}
-	}
-
-	return (*(int *) reversed_name1 - *(int *) reversed_name2);
-}
-#endif
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_install_node
@@ -271,7 +225,8 @@ acpi_ns_install_node (
 		 * alphabetic placement.
 		 */
 		previous_child_node = NULL;
-		while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node), acpi_ut_get_node_name (node)) < 0) {
+		while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node),
+				 acpi_ut_get_node_name (node)) < 0) {
 			if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
 				/* Last peer;  Clear end-of-list flag */
 
@@ -429,7 +384,8 @@ acpi_ns_delete_children (
 		/* There should be only one reference remaining on this node */
 
 		if (child_node->reference_count != 1) {
-			ACPI_REPORT_WARNING (("Existing references (%d) on node being deleted (%p)\n",
+			ACPI_REPORT_WARNING ((
+				"Existing references (%d) on node being deleted (%p)\n",
 				child_node->reference_count, child_node));
 		}
 
@@ -548,7 +504,7 @@ acpi_ns_delete_namespace_subtree (
  *
  ******************************************************************************/
 
-void
+static void
 acpi_ns_remove_reference (
 	struct acpi_namespace_node      *node)
 {
@@ -683,3 +639,54 @@ acpi_ns_delete_namespace_by_owner (
 }
 
 
+#ifdef ACPI_ALPHABETIC_NAMESPACE
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_compare_names
+ *
+ * PARAMETERS:  Name1           - First name to compare
+ *              Name2           - Second name to compare
+ *
+ * RETURN:      value from strncmp
+ *
+ * DESCRIPTION: Compare two ACPI names.  Names that are prefixed with an
+ *              underscore are forced to be alphabetically first.
+ *
+ ******************************************************************************/
+
+int
+acpi_ns_compare_names (
+	char                            *name1,
+	char                            *name2)
+{
+	char                            reversed_name1[ACPI_NAME_SIZE];
+	char                            reversed_name2[ACPI_NAME_SIZE];
+	u32                             i;
+	u32                             j;
+
+
+	/*
+	 * Replace all instances of "underscore" with a value that is smaller so
+	 * that all names that are prefixed with underscore(s) are alphabetically
+	 * first.
+	 *
+	 * Reverse the name bytewise so we can just do a 32-bit compare instead
+	 * of a strncmp.
+	 */
+	for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
+		reversed_name1[j] = name1[i];
+		if (name1[i] == '_') {
+			reversed_name1[j] = '*';
+		}
+
+		reversed_name2[j] = name2[i];
+		if (name2[i] == '_') {
+			reversed_name2[j] = '*';
+		}
+	}
+
+	return (*(int *) reversed_name1 - *(int *) reversed_name2);
+}
+#endif
+
+

drivers/acpi/namespace/nsdump.c

@@ -50,16 +50,32 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsdump")
 
+/* Local prototypes */
 
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+void
+acpi_ns_dump_root_devices (
+	void);
 
+static acpi_status
+acpi_ns_dump_one_device (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value);
+#endif
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_print_pathname
  *
- * PARAMETERS:  num_segment         - Number of ACPI name segments
+ * PARAMETERS:  num_segments        - Number of ACPI name segments
  *              Pathname            - The compressed (internal) path
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Print an object's full namespace pathname
  *
  ******************************************************************************/
@@ -103,6 +119,8 @@ acpi_ns_print_pathname (
  *              Level               - Desired debug level
  *              Component           - Caller's component ID
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Print an object's full namespace pathname
  *              Manages allocation/freeing of a pathname buffer
  *
@@ -137,9 +155,12 @@ acpi_ns_dump_pathname (
  *
  * FUNCTION:    acpi_ns_dump_one_object
  *
- * PARAMETERS:  Handle              - Node to be dumped
+ * PARAMETERS:  obj_handle          - Node to be dumped
  *              Level               - Nesting level of the handle
  *              Context             - Passed into walk_namespace
+ *              return_value        - Not used
+ *
+ * RETURN:      Status
  *
  * DESCRIPTION: Dump a single Node
  *              This procedure is a user_function called by acpi_ns_walk_namespace.
@@ -394,8 +415,7 @@ acpi_ns_dump_one_object (
 			return (AE_OK);
 		}
 
-		acpi_os_printf ("(R%d)",
-				obj_desc->common.reference_count);
+		acpi_os_printf ("(R%d)", obj_desc->common.reference_count);
 
 		switch (type) {
 		case ACPI_TYPE_METHOD:
@@ -551,18 +571,20 @@ cleanup:
 
 
 #ifdef ACPI_FUTURE_USAGE
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_objects
  *
  * PARAMETERS:  Type                - Object type to be dumped
+ *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
  *                                    for an effectively unlimited depth.
  *              owner_id            - Dump only objects owned by this ID.  Use
  *                                    ACPI_UINT32_MAX to match all owners.
  *              start_handle        - Where in namespace to start/end search
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Dump typed objects within the loaded namespace.
  *              Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
  *
@@ -590,8 +612,42 @@ acpi_ns_dump_objects (
 			 ACPI_NS_WALK_NO_UNLOCK, acpi_ns_dump_one_object,
 			 (void *) &info, NULL);
 }
+#endif	/* ACPI_FUTURE_USAGE */
 
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_dump_entry
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              debug_level         - Output level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a single Node
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_entry (
+	acpi_handle                     handle,
+	u32                             debug_level)
+{
+	struct acpi_walk_info           info;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	info.debug_level = debug_level;
+	info.owner_id = ACPI_UINT32_MAX;
+	info.display_type = ACPI_DISPLAY_SUMMARY;
+
+	(void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
+}
+
+
+#ifdef _ACPI_ASL_COMPILER
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_tables
@@ -601,6 +657,8 @@ acpi_ns_dump_objects (
  *              max_depth           - Maximum depth of dump.  Use INT_MAX
  *                                    for an effectively unlimited depth.
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Dump the name space, or a portion of it.
  *
  ******************************************************************************/
@@ -626,7 +684,7 @@ acpi_ns_dump_tables (
 	}
 
 	if (ACPI_NS_ALL == search_base) {
-		/*  entire namespace    */
+		/* Entire namespace */
 
 		search_handle = acpi_gbl_root_node;
 		ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
@@ -636,38 +694,5 @@ acpi_ns_dump_tables (
 			ACPI_UINT32_MAX, search_handle);
 	return_VOID;
 }
-
-#endif  /*  ACPI_FUTURE_USAGE  */
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_dump_entry
- *
- * PARAMETERS:  Handle              - Node to be dumped
- *              debug_level         - Output level
- *
- * DESCRIPTION: Dump a single Node
- *
- ******************************************************************************/
-
-void
-acpi_ns_dump_entry (
-	acpi_handle                     handle,
-	u32                             debug_level)
-{
-	struct acpi_walk_info           info;
-
-
-	ACPI_FUNCTION_ENTRY ();
-
-
-	info.debug_level = debug_level;
-	info.owner_id = ACPI_UINT32_MAX;
-	info.display_type = ACPI_DISPLAY_SUMMARY;
-
-	(void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
-}
-
-#endif
-
+#endif	/* _ACPI_ASL_COMPILER */
+#endif	/* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */

drivers/acpi/namespace/nsdumpdv.c

@@ -43,15 +43,18 @@
 
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
 
 
+/* TBD: This entire module is apparently obsolete and should be removed */
+
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsdumpdv")
 
-
+#ifdef ACPI_OBSOLETE_FUNCTIONS
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 
+#include <acpi/acnamesp.h>
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_one_device
@@ -59,13 +62,16 @@
  * PARAMETERS:  Handle              - Node to be dumped
  *              Level               - Nesting level of the handle
  *              Context             - Passed into walk_namespace
+ *              return_value        - Not used
+ *
+ * RETURN:      Status
  *
  * DESCRIPTION: Dump a single Node that represents a device
  *              This procedure is a user_function called by acpi_ns_walk_namespace.
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_dump_one_device (
 	acpi_handle                     obj_handle,
 	u32                             level,
@@ -108,12 +114,15 @@ acpi_ns_dump_one_device (
  *
  * PARAMETERS:  None
  *
+ * RETURN:      None
+ *
  * DESCRIPTION: Dump all objects of type "device"
  *
  ******************************************************************************/
 
 void
-acpi_ns_dump_root_devices (void)
+acpi_ns_dump_root_devices (
+	void)
 {
 	acpi_handle                     sys_bus_handle;
 	acpi_status                     status;
@@ -142,5 +151,6 @@ acpi_ns_dump_root_devices (void)
 }
 
 #endif
+#endif
 
 

drivers/acpi/namespace/nseval.c

@@ -52,19 +52,33 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nseval")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ns_execute_control_method (
+	struct acpi_parameter_info      *info);
+
+static acpi_status
+acpi_ns_get_object_value (
+	struct acpi_parameter_info      *info);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_evaluate_relative
  *
- * PARAMETERS:  Pathname            - Name of method to execute, If NULL, the
- *                                    handle is the object to execute
- *              Info                - Method info block
+ * PARAMETERS:  Pathname        - Name of method to execute, If NULL, the
+ *                                handle is the object to execute
+ *              Info            - Method info block, contains:
+ *                  return_object   - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *                  Params          - List of parameters to pass to the method,
+ *                                    terminated by NULL.  Params itself may be
+ *                                    NULL if no parameters are being passed.
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Find and execute the requested method using the handle as a
- *              scope
+ * DESCRIPTION: Evaluate the object or find and execute the requested method
  *
  * MUTEX:       Locks Namespace
  *
@@ -157,8 +171,8 @@ cleanup1:
  *
  * FUNCTION:    acpi_ns_evaluate_by_name
  *
- * PARAMETERS:  Pathname            - Fully qualified pathname to the object
- *              Info                - Contains:
+ * PARAMETERS:  Pathname        - Fully qualified pathname to the object
+ *              Info                - Method info block, contains:
  *                  return_object   - Where to put method's return value (if
  *                                    any).  If NULL, no value is returned.
  *                  Params          - List of parameters to pass to the method,
@@ -167,8 +181,8 @@ cleanup1:
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Find and execute the requested method passing the given
- *              parameters
+ * DESCRIPTION: Evaluate the object or rind and execute the requested method
+ *              passing the given parameters
  *
  * MUTEX:       Locks Namespace
  *
@@ -241,17 +255,21 @@ cleanup:
  *
  * FUNCTION:    acpi_ns_evaluate_by_handle
  *
- * PARAMETERS:  Handle              - Method Node to execute
- *              Params              - List of parameters to pass to the method,
- *                                    terminated by NULL.  Params itself may be
+ * PARAMETERS:  Info            - Method info block, contains:
+ *                  Node            - Method/Object Node to execute
+ *                  Parameters      - List of parameters to pass to the method,
+ *                                    terminated by NULL. Params itself may be
  *                                    NULL if no parameters are being passed.
- *              param_type          - Type of Parameter list
- *              return_object       - Where to put method's return value (if
- *                                    any).  If NULL, no value is returned.
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
+ *                  parameter_type  - Type of Parameter list
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Execute the requested method passing the given parameters
+ * DESCRIPTION: Evaluate object or execute the requested method passing the
+ *              given parameters
  *
  * MUTEX:       Locks Namespace
  *
@@ -345,7 +363,16 @@ acpi_ns_evaluate_by_handle (
  *
  * FUNCTION:    acpi_ns_execute_control_method
  *
- * PARAMETERS:  Info            - Method info block (w/params)
+ * PARAMETERS:  Info            - Method info block, contains:
+ *                  Node            - Method Node to execute
+ *                  Parameters      - List of parameters to pass to the method,
+ *                                    terminated by NULL. Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
+ *                  parameter_type  - Type of Parameter list
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
  *
  * RETURN:      Status
  *
@@ -355,7 +382,7 @@ acpi_ns_evaluate_by_handle (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_execute_control_method (
 	struct acpi_parameter_info      *info)
 {
@@ -414,7 +441,10 @@ acpi_ns_execute_control_method (
  *
  * FUNCTION:    acpi_ns_get_object_value
  *
- * PARAMETERS:  Info            - Method info block (w/params)
+ * PARAMETERS:  Info            - Method info block, contains:
+ *                  Node            - Object's NS node
+ *                  return_object   - Where to put object value (if
+ *                                    any). If NULL, no value is returned.
  *
  * RETURN:      Status
  *
@@ -424,7 +454,7 @@ acpi_ns_execute_control_method (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_get_object_value (
 	struct acpi_parameter_info      *info)
 {

drivers/acpi/namespace/nsinit.c

@@ -50,6 +50,22 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsinit")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ns_init_one_object (
+	acpi_handle                     obj_handle,
+	u32                             level,
+	void                            *context,
+	void                            **return_value);
+
+static acpi_status
+acpi_ns_init_one_device (
+	acpi_handle                     obj_handle,
+	u32                             nesting_level,
+	void                            *context,
+	void                            **return_value);
+
 
 /*******************************************************************************
  *
@@ -191,7 +207,7 @@ acpi_ns_initialize_devices (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_init_one_object (
 	acpi_handle                     obj_handle,
 	u32                             level,
@@ -331,7 +347,7 @@ acpi_ns_init_one_object (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_init_one_device (
 	acpi_handle                     obj_handle,
 	u32                             nesting_level,
@@ -374,7 +390,8 @@ acpi_ns_init_one_device (
 	/*
 	 * Run _STA to determine if we can run _INI on the device.
 	 */
-	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, pinfo.node, "_STA"));
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD,
+			   pinfo.node, METHOD_NAME__STA));
 	status = acpi_ut_execute_STA (pinfo.node, &flags);
 
 	if (ACPI_FAILURE (status)) {
@@ -399,8 +416,9 @@ acpi_ns_init_one_device (
 	/*
 	 * The device is present. Run _INI.
 	 */
-	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, pinfo.node, "_INI"));
-	status = acpi_ns_evaluate_relative ("_INI", &pinfo);
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD,
+			   pinfo.node, METHOD_NAME__INI));
+	status = acpi_ns_evaluate_relative (METHOD_NAME__INI, &pinfo);
 	if (ACPI_FAILURE (status)) {
 		/* No _INI (AE_NOT_FOUND) means device requires no initialization */
 

drivers/acpi/namespace/nsload.c

@@ -50,9 +50,24 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsload")
 
+/* Local prototypes */
 
-#ifndef ACPI_NO_METHOD_EXECUTION
+static acpi_status
+acpi_ns_load_table_by_type (
+	acpi_table_type                 table_type);
+
+#ifdef ACPI_FUTURE_IMPLEMENTATION
+acpi_status
+acpi_ns_unload_namespace (
+	acpi_handle                     handle);
+
+static acpi_status
+acpi_ns_delete_subtree (
+	acpi_handle                     start_handle);
+#endif
 
+
+#ifndef ACPI_NO_METHOD_EXECUTION
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_load_table
@@ -159,7 +174,7 @@ acpi_ns_load_table (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_load_table_by_type (
 	acpi_table_type                 table_type)
 {
@@ -321,8 +336,7 @@ acpi_ns_load_namespace (
 }
 
 
-#ifdef ACPI_FUTURE_USAGE
-
+#ifdef ACPI_FUTURE_IMPLEMENTATION
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_delete_subtree
@@ -339,7 +353,7 @@ acpi_ns_load_namespace (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ns_delete_subtree (
 	acpi_handle                     start_handle)
 {
@@ -453,8 +467,6 @@ acpi_ns_unload_namespace (
 
 	return_ACPI_STATUS (status);
 }
-
-#endif  /*  ACPI_FUTURE_USAGE  */
-
+#endif
 #endif
 

drivers/acpi/namespace/nsnames.c

@@ -50,6 +50,14 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsnames")
 
+/* Local prototypes */
+
+static void
+acpi_ns_build_external_path (
+	struct acpi_namespace_node      *node,
+	acpi_size                       size,
+	char                            *name_buffer);
+
 
 /*******************************************************************************
  *
@@ -66,7 +74,7 @@
  *
  ******************************************************************************/
 
-void
+static void
 acpi_ns_build_external_path (
 	struct acpi_namespace_node      *node,
 	acpi_size                       size,
@@ -126,7 +134,7 @@ acpi_ns_build_external_path (
  *
  * FUNCTION:    acpi_ns_get_external_pathname
  *
- * PARAMETERS:  Node            - NS node whose pathname is needed
+ * PARAMETERS:  Node            - Namespace node whose pathname is needed
  *
  * RETURN:      Pointer to storage containing the fully qualified name of
  *              the node, In external format (name segments separated by path

drivers/acpi/namespace/nsobject.c

@@ -60,6 +60,8 @@
  *              Type                - Type of object, or ACPI_TYPE_ANY if not
  *                                    known
  *
+ * RETURN:      Status
+ *
  * DESCRIPTION: Record the given object as the value associated with the
  *              name whose acpi_handle is passed.  If Object is NULL
  *              and Type is ACPI_TYPE_ANY, set the name as having no value.
@@ -97,7 +99,8 @@ acpi_ns_attach_object (
 	if (!object && (ACPI_TYPE_ANY != type)) {
 		/* Null object */
 
-		ACPI_REPORT_ERROR (("ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n"));
+		ACPI_REPORT_ERROR ((
+			"ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n"));
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
@@ -112,7 +115,8 @@ acpi_ns_attach_object (
 	/* Check if this object is already attached */
 
 	if (node->object == object) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj %p already installed in name_obj %p\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"Obj %p already installed in name_obj %p\n",
 			object, node));
 
 		return_ACPI_STATUS (AE_OK);
@@ -192,7 +196,7 @@ acpi_ns_attach_object (
  *
  * FUNCTION:    acpi_ns_detach_object
  *
- * PARAMETERS:  Node           - An node whose object will be detached
+ * PARAMETERS:  Node           - A Namespace node whose object will be detached
  *
  * RETURN:      None.
  *
@@ -248,7 +252,7 @@ acpi_ns_detach_object (
  *
  * FUNCTION:    acpi_ns_get_attached_object
  *
- * PARAMETERS:  Node             - Parent Node to be examined
+ * PARAMETERS:  Node             - Namespace node
  *
  * RETURN:      Current value of the object field from the Node whose
  *              handle is passed
@@ -284,7 +288,7 @@ acpi_ns_get_attached_object (
  *
  * FUNCTION:    acpi_ns_get_secondary_object
  *
- * PARAMETERS:  Node             - Parent Node to be examined
+ * PARAMETERS:  Node             - Namespace node
  *
  * RETURN:      Current value of the object field from the Node whose
  *              handle is passed.

drivers/acpi/namespace/nssearch.c

@@ -49,15 +49,24 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nssearch")
 
+/* Local prototypes */
+
+static acpi_status
+acpi_ns_search_parent_tree (
+	u32                             target_name,
+	struct acpi_namespace_node      *node,
+	acpi_object_type                type,
+	struct acpi_namespace_node      **return_node);
+
 
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_search_node
  *
- * PARAMETERS:  *target_name        - Ascii ACPI name to search for
- *              *Node               - Starting node where search will begin
- *              Type                - Object type to match
- *              **return_node       - Where the matched Named obj is returned
+ * PARAMETERS:  target_name     - Ascii ACPI name to search for
+ *              Node            - Starting node where search will begin
+ *              Type            - Object type to match
+ *              return_node     - Where the matched Named obj is returned
  *
  * RETURN:      Status
  *
@@ -163,10 +172,10 @@ acpi_ns_search_node (
  *
  * FUNCTION:    acpi_ns_search_parent_tree
  *
- * PARAMETERS:  *target_name        - Ascii ACPI name to search for
- *              *Node               - Starting node where search will begin
- *              Type                - Object type to match
- *              **return_node       - Where the matched Node is returned
+ * PARAMETERS:  target_name     - Ascii ACPI name to search for
+ *              Node            - Starting node where search will begin
+ *              Type            - Object type to match
+ *              return_node     - Where the matched Node is returned
  *
  * RETURN:      Status
  *
@@ -257,12 +266,12 @@ acpi_ns_search_parent_tree (
  *
  * PARAMETERS:  target_name         - Ascii ACPI name to search for (4 chars)
  *              walk_state          - Current state of the walk
- *              *Node               - Starting node where search will begin
+ *              Node                - Starting node where search will begin
  *              interpreter_mode    - Add names only in ACPI_MODE_LOAD_PASS_x.
  *                                    Otherwise,search only.
  *              Type                - Object type to match
  *              Flags               - Flags describing the search restrictions
- *              **return_node       - Where the Node is returned
+ *              return_node         - Where the Node is returned
  *
  * RETURN:      Status
  *

drivers/acpi/namespace/nsutils.c

@@ -51,6 +51,18 @@
 #define _COMPONENT          ACPI_NAMESPACE
 	 ACPI_MODULE_NAME    ("nsutils")
 
+/* Local prototypes */
+
+static u8
+acpi_ns_valid_path_separator (
+	char                            sep);
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+acpi_name
+acpi_ns_find_parent_name (
+	struct acpi_namespace_node      *node_to_search);
+#endif
+
 
 /*******************************************************************************
  *
@@ -59,7 +71,8 @@
  * PARAMETERS:  module_name         - Caller's module name (for error output)
  *              line_number         - Caller's line number (for error output)
  *              component_id        - Caller's component ID (for error output)
- *              Message             - Error message to use on failure
+ *              internal_name       - Name or path of the namespace node
+ *              lookup_status       - Exception code from NS lookup
  *
  * RETURN:      None
  *
@@ -121,6 +134,9 @@ acpi_ns_report_error (
  *              line_number         - Caller's line number (for error output)
  *              component_id        - Caller's component ID (for error output)
  *              Message             - Error message to use on failure
+ *              prefix_node         - Prefix relative to the path
+ *              Path                - Path to the node
+ *              method_status       - Execution status
  *
  * RETURN:      None
  *
@@ -161,8 +177,8 @@ acpi_ns_report_method_error (
  *
  * FUNCTION:    acpi_ns_print_node_pathname
  *
- * PARAMETERS:  Node                - Object
- *              Msg                 - Prefix message
+ * PARAMETERS:  Node            - Object
+ *              Message         - Prefix message
  *
  * DESCRIPTION: Print an object's full namespace pathname
  *              Manages allocation/freeing of a pathname buffer
@@ -172,7 +188,7 @@ acpi_ns_report_method_error (
 void
 acpi_ns_print_node_pathname (
 	struct acpi_namespace_node      *node,
-	char                            *msg)
+	char                            *message)
 {
 	struct acpi_buffer              buffer;
 	acpi_status                     status;
@@ -189,8 +205,8 @@ acpi_ns_print_node_pathname (
 
 	status = acpi_ns_handle_to_pathname (node, &buffer);
 	if (ACPI_SUCCESS (status)) {
-		if (msg) {
-			acpi_os_printf ("%s ", msg);
+		if (message) {
+			acpi_os_printf ("%s ", message);
 		}
 
 		acpi_os_printf ("[%s] (Node %p)", (char *) buffer.pointer, node);
@@ -224,7 +240,7 @@ acpi_ns_valid_root_prefix (
  *
  * FUNCTION:    acpi_ns_valid_path_separator
  *
- * PARAMETERS:  Sep              - Character to be checked
+ * PARAMETERS:  Sep         - Character to be checked
  *
  * RETURN:      TRUE if a valid path separator
  *
@@ -232,7 +248,7 @@ acpi_ns_valid_root_prefix (
  *
  ******************************************************************************/
 
-u8
+static u8
 acpi_ns_valid_path_separator (
 	char                            sep)
 {
@@ -245,10 +261,12 @@ acpi_ns_valid_path_separator (
  *
  * FUNCTION:    acpi_ns_get_type
  *
- * PARAMETERS:  Handle              - Parent Node to be examined
+ * PARAMETERS:  Node        - Parent Node to be examined
  *
  * RETURN:      Type field from Node whose handle is passed
  *
+ * DESCRIPTION: Return the type of a Namespace node
+ *
  ******************************************************************************/
 
 acpi_object_type
@@ -271,11 +289,13 @@ acpi_ns_get_type (
  *
  * FUNCTION:    acpi_ns_local
  *
- * PARAMETERS:  Type            - A namespace object type
+ * PARAMETERS:  Type        - A namespace object type
  *
  * RETURN:      LOCAL if names must be found locally in objects of the
  *              passed type, 0 if enclosing scopes should be searched
  *
+ * DESCRIPTION: Returns scope rule for the given object type.
+ *
  ******************************************************************************/
 
 u32
@@ -303,7 +323,7 @@ acpi_ns_local (
  * PARAMETERS:  Info            - Info struct initialized with the
  *                                external name pointer.
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Calculate the length of the internal (AML) namestring
  *              corresponding to the external (ASL) namestring.
@@ -551,14 +571,16 @@ acpi_ns_internalize_name (
  *
  * FUNCTION:    acpi_ns_externalize_name
  *
- * PARAMETERS:  *internal_name         - Internal representation of name
- *              **converted_name       - Where to return the resulting
- *                                       external representation of name
+ * PARAMETERS:  internal_name_length - Lenth of the internal name below
+ *              internal_name       - Internal representation of name
+ *              converted_name_length - Where the length is returned
+ *              converted_name      - Where the resulting external name
+ *                                    is returned
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Convert internal name (e.g. 5c 2f 02 5f 50 52 5f 43 50 55 30)
- *              to its external form (e.g. "\_PR_.CPU0")
+ *              to its external (printable) form (e.g. "\_PR_.CPU0")
  *
  ******************************************************************************/
 
@@ -717,8 +739,9 @@ acpi_ns_externalize_name (
  *
  * DESCRIPTION: Convert a namespace handle to a real Node
  *
- * Note: Real integer handles allow for more verification
- *       and keep all pointers within this subsystem.
+ * Note: Real integer handles would allow for more verification
+ *       and keep all pointers within this subsystem - however this introduces
+ *       more (and perhaps unnecessary) overhead.
  *
  ******************************************************************************/
 
@@ -775,7 +798,7 @@ acpi_ns_convert_entry_to_handle (
 	return ((acpi_handle) node);
 
 
-/* ---------------------------------------------------
+/* Example future implementation ---------------------
 
 	if (!Node)
 	{
@@ -801,12 +824,13 @@ acpi_ns_convert_entry_to_handle (
  *
  * RETURN:      none
  *
- * DESCRIPTION: free memory allocated for table storage.
+ * DESCRIPTION: free memory allocated for namespace and ACPI table storage.
  *
  ******************************************************************************/
 
 void
-acpi_ns_terminate (void)
+acpi_ns_terminate (
+	void)
 {
 	union acpi_operand_object       *obj_desc;
 
@@ -940,7 +964,6 @@ acpi_ns_get_node_by_path (
 	(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
 
 cleanup:
-	/* Cleanup */
 	if (internal_path) {
 		ACPI_MEM_FREE (internal_path);
 	}
@@ -948,55 +971,6 @@ cleanup:
 }
 
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_find_parent_name
- *
- * PARAMETERS:  *child_node            - Named Obj whose name is to be found
- *
- * RETURN:      The ACPI name
- *
- * DESCRIPTION: Search for the given obj in its parent scope and return the
- *              name segment, or "????" if the parent name can't be found
- *              (which "should not happen").
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-acpi_name
-acpi_ns_find_parent_name (
-	struct acpi_namespace_node      *child_node)
-{
-	struct acpi_namespace_node      *parent_node;
-
-
-	ACPI_FUNCTION_TRACE ("ns_find_parent_name");
-
-
-	if (child_node) {
-		/* Valid entry.  Get the parent Node */
-
-		parent_node = acpi_ns_get_parent_node (child_node);
-		if (parent_node) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-				"Parent of %p [%4.4s] is %p [%4.4s]\n",
-				child_node, acpi_ut_get_node_name (child_node),
-				parent_node, acpi_ut_get_node_name (parent_node)));
-
-			if (parent_node->name.integer) {
-				return_VALUE ((acpi_name) parent_node->name.integer);
-			}
-		}
-
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-			"Unable to find parent of %p (%4.4s)\n",
-			child_node, acpi_ut_get_node_name (child_node)));
-	}
-
-	return_VALUE (ACPI_UNKNOWN_NAME);
-}
-#endif
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_get_parent_node
@@ -1009,7 +983,6 @@ acpi_ns_find_parent_name (
  *
  ******************************************************************************/
 
-
 struct acpi_namespace_node *
 acpi_ns_get_parent_node (
 	struct acpi_namespace_node      *node)
@@ -1030,7 +1003,6 @@ acpi_ns_get_parent_node (
 		node = node->peer;
 	}
 
-
 	return (node->peer);
 }
 
@@ -1049,7 +1021,6 @@ acpi_ns_get_parent_node (
  *
  ******************************************************************************/
 
-
 struct acpi_namespace_node *
 acpi_ns_get_next_valid_node (
 	struct acpi_namespace_node      *node)
@@ -1067,3 +1038,53 @@ acpi_ns_get_next_valid_node (
 }
 
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_find_parent_name
+ *
+ * PARAMETERS:  *child_node            - Named Obj whose name is to be found
+ *
+ * RETURN:      The ACPI name
+ *
+ * DESCRIPTION: Search for the given obj in its parent scope and return the
+ *              name segment, or "????" if the parent name can't be found
+ *              (which "should not happen").
+ *
+ ******************************************************************************/
+
+acpi_name
+acpi_ns_find_parent_name (
+	struct acpi_namespace_node      *child_node)
+{
+	struct acpi_namespace_node      *parent_node;
+
+
+	ACPI_FUNCTION_TRACE ("ns_find_parent_name");
+
+
+	if (child_node) {
+		/* Valid entry.  Get the parent Node */
+
+		parent_node = acpi_ns_get_parent_node (child_node);
+		if (parent_node) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+				"Parent of %p [%4.4s] is %p [%4.4s]\n",
+				child_node, acpi_ut_get_node_name (child_node),
+				parent_node, acpi_ut_get_node_name (parent_node)));
+
+			if (parent_node->name.integer) {
+				return_VALUE ((acpi_name) parent_node->name.integer);
+			}
+		}
+
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"Unable to find parent of %p (%4.4s)\n",
+			child_node, acpi_ut_get_node_name (child_node)));
+	}
+
+	return_VALUE (ACPI_UNKNOWN_NAME);
+}
+#endif
+
+

drivers/acpi/namespace/nswalk.c

@@ -56,7 +56,7 @@
  *
  * PARAMETERS:  Type                - Type of node to be searched for
  *              parent_node         - Parent node whose children we are
- *                                     getting
+ *                                    getting
  *              child_node          - Previous child that was found.
  *                                    The NEXT child will be returned
  *

drivers/acpi/namespace/nsxfeval.c

@@ -58,11 +58,11 @@
  * FUNCTION:    acpi_evaluate_object_typed
  *
  * PARAMETERS:  Handle              - Object handle (optional)
- *              *Pathname           - Object pathname (optional)
- *              **external_params   - List of parameters to pass to method,
+ *              Pathname            - Object pathname (optional)
+ *              external_params     - List of parameters to pass to method,
  *                                    terminated by NULL.  May be NULL
  *                                    if no parameters are being passed.
- *              *return_buffer      - Where to put method's return value (if
+ *              return_buffer       - Where to put method's return value (if
  *                                    any).  If NULL, no value is returned.
  *              return_type         - Expected type of return object
  *
@@ -73,6 +73,7 @@
  *              be valid (non-null)
  *
  ******************************************************************************/
+
 #ifdef ACPI_FUTURE_USAGE
 acpi_status
 acpi_evaluate_object_typed (
@@ -307,7 +308,8 @@ acpi_evaluate_object (
 				if (ACPI_SUCCESS (status)) {
 					/* Validate/Allocate/Clear caller buffer */
 
-					status = acpi_ut_initialize_buffer (return_buffer, buffer_space_needed);
+					status = acpi_ut_initialize_buffer (return_buffer,
+							  buffer_space_needed);
 					if (ACPI_FAILURE (status)) {
 						/*
 						 * Caller's buffer is too small or a new one can't be allocated
@@ -423,7 +425,8 @@ acpi_walk_namespace (
 		return_ACPI_STATUS (status);
 	}
 
-	status = acpi_ns_walk_namespace (type, start_object, max_depth, ACPI_NS_WALK_UNLOCK,
+	status = acpi_ns_walk_namespace (type, start_object, max_depth,
+			  ACPI_NS_WALK_UNLOCK,
 			  user_function, context, return_value);
 
 	(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
@@ -525,7 +528,8 @@ acpi_ns_get_device_callback (
 		}
 	}
 
-	status = info->user_function (obj_handle, nesting_level, info->context, return_value);
+	status = info->user_function (obj_handle, nesting_level, info->context,
+			 return_value);
 	return (status);
 }
 

drivers/acpi/namespace/nsxfname.c

@@ -57,9 +57,9 @@
  * FUNCTION:    acpi_get_handle
  *
  * PARAMETERS:  Parent          - Object to search under (search scope).
- *              path_name       - Pointer to an asciiz string containing the
- *                                  name
- *              ret_handle      - Where the return handle is placed
+ *              Pathname        - Pointer to an asciiz string containing the
+ *                                name
+ *              ret_handle      - Where the return handle is returned
  *
  * RETURN:      Status
  *
@@ -220,7 +220,7 @@ EXPORT_SYMBOL(acpi_get_name);
  * FUNCTION:    acpi_get_object_info
  *
  * PARAMETERS:  Handle          - Object Handle
- *              Info            - Where the info is returned
+ *              Buffer          - Where the info is returned
  *
  * RETURN:      Status
  *

drivers/acpi/namespace/nsxfobj.c

@@ -56,7 +56,7 @@
  * FUNCTION:    acpi_get_type
  *
  * PARAMETERS:  Handle          - Handle of object whose type is desired
- *              *ret_type       - Where the type will be placed
+ *              ret_type        - Where the type will be placed
  *
  * RETURN:      Status
  *
@@ -258,5 +258,5 @@ unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
 	return (status);
 }
-EXPORT_SYMBOL(acpi_get_next_object);
 
+EXPORT_SYMBOL(acpi_get_next_object);

drivers/acpi/osl.c

@@ -71,6 +71,9 @@ EXPORT_SYMBOL(acpi_in_debugger);
 extern char line_buf[80];
 #endif /*ENABLE_DEBUGGER*/
 
+int acpi_specific_hotkey_enabled;
+EXPORT_SYMBOL(acpi_specific_hotkey_enabled);
+
 static unsigned int acpi_irq_irq;
 static acpi_osd_handler acpi_irq_handler;
 static void *acpi_irq_context;
@@ -1152,6 +1155,15 @@ acpi_wake_gpes_always_on_setup(char *str)
 
 __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
 
+int __init
+acpi_hotkey_setup(char *str)
+{
+	acpi_specific_hotkey_enabled = TRUE;
+	return 1;
+}
+
+__setup("acpi_specific_hotkey", acpi_hotkey_setup);
+
 /*
  * max_cstate is defined in the base kernel so modules can
  * change it w/o depending on the state of the processor module.

drivers/acpi/parser/psargs.c

@@ -50,6 +50,16 @@
 #define _COMPONENT          ACPI_PARSER
 	 ACPI_MODULE_NAME    ("psargs")
 
+/* Local prototypes */
+
+static u32
+acpi_ps_get_next_package_length (
+	struct acpi_parse_state         *parser_state);
+
+static union acpi_parse_object *
+acpi_ps_get_next_field (
+	struct acpi_parse_state         *parser_state);
+
 
 /*******************************************************************************
  *
@@ -64,7 +74,7 @@
  *
  ******************************************************************************/
 
-u32
+static u32
 acpi_ps_get_next_package_length (
 	struct acpi_parse_state         *parser_state)
 {
@@ -78,7 +88,6 @@ acpi_ps_get_next_package_length (
 	encoded_length = (u32) ACPI_GET8 (parser_state->aml);
 	parser_state->aml++;
 
-
 	switch (encoded_length >> 6) /* bits 6-7 contain encoding scheme */ {
 	case 0: /* 1-byte encoding (bits 0-5) */
 
@@ -287,13 +296,14 @@ acpi_ps_get_next_namepath (
 		 * parent tree, but don't open a new scope -- we just want to lookup the
 		 * object  (MUST BE mode EXECUTE to perform upsearch)
 		 */
-		status = acpi_ns_lookup (&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
-				 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, &node);
+		status = acpi_ns_lookup (&scope_info, path, ACPI_TYPE_ANY,
+				 ACPI_IMODE_EXECUTE,
+				 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+				 NULL, &node);
 		if (ACPI_SUCCESS (status) && method_call) {
 			if (node->type == ACPI_TYPE_METHOD) {
-				/*
-				 * This name is actually a control method invocation
-				 */
+				/* This name is actually a control method invocation */
+
 				method_desc = acpi_ns_get_attached_object (node);
 				ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
 					"Control Method - %p Desc %p Path=%p\n",
@@ -360,7 +370,7 @@ acpi_ps_get_next_namepath (
 				/*
 				 * We got a NOT_FOUND during table load or we encountered
 				 * a cond_ref_of(x) where the target does not exist.
-				 * -- either case is ok
+				 * Either case is ok
 				 */
 				status = AE_OK;
 			}
@@ -486,12 +496,13 @@ acpi_ps_get_next_simple_arg (
  *
  ******************************************************************************/
 
-union acpi_parse_object *
+static union acpi_parse_object *
 acpi_ps_get_next_field (
 	struct acpi_parse_state         *parser_state)
 {
-	u32                             aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
-			 parser_state->aml_start);
+	u32                             aml_offset = (u32)
+			  ACPI_PTR_DIFF (parser_state->aml,
+					   parser_state->aml_start);
 	union acpi_parse_object         *field;
 	u16                             opcode;
 	u32                             name;
@@ -500,7 +511,7 @@ acpi_ps_get_next_field (
 	ACPI_FUNCTION_TRACE ("ps_get_next_field");
 
 
-	/* determine field type */
+	/* Determine field type */
 
 	switch (ACPI_GET8 (parser_state->aml)) {
 	default:
@@ -521,7 +532,6 @@ acpi_ps_get_next_field (
 		break;
 	}
 
-
 	/* Allocate a new field op */
 
 	field = acpi_ps_alloc_op (opcode);
@@ -582,10 +592,10 @@ acpi_ps_get_next_field (
  *
  * FUNCTION:    acpi_ps_get_next_arg
  *
- * PARAMETERS:  parser_state        - Current parser state object
+ * PARAMETERS:  walk_state          - Current state
+ *              parser_state        - Current parser state object
  *              arg_type            - The argument type (AML_*_ARG)
- *              arg_count           - If the argument points to a control method
- *                                    the method's argument is returned here.
+ *              return_arg          - Where the next arg is returned
  *
  * RETURN:      Status, and an op object containing the next argument.
  *
@@ -619,7 +629,7 @@ acpi_ps_get_next_arg (
 	case ARGP_NAME:
 	case ARGP_NAMESTRING:
 
-		/* constants, strings, and namestrings are all the same size */
+		/* Constants, strings, and namestrings are all the same size */
 
 		arg = acpi_ps_alloc_op (AML_BYTE_OP);
 		if (!arg) {
@@ -654,7 +664,6 @@ acpi_ps_get_next_arg (
 				else {
 					arg = field;
 				}
-
 				prev = field;
 			}
 
@@ -677,8 +686,8 @@ acpi_ps_get_next_arg (
 
 			/* Fill in bytelist data */
 
-			arg->common.value.size = (u32) ACPI_PTR_DIFF (parser_state->pkg_end,
-					  parser_state->aml);
+			arg->common.value.size = (u32)
+				ACPI_PTR_DIFF (parser_state->pkg_end, parser_state->aml);
 			arg->named.data = parser_state->aml;
 
 			/* Skip to End of byte data */
@@ -706,7 +715,7 @@ acpi_ps_get_next_arg (
 			status = acpi_ps_get_next_namepath (walk_state, parser_state, arg, 0);
 		}
 		else {
-			/* single complex argument, nothing returned */
+			/* Single complex argument, nothing returned */
 
 			walk_state->arg_count = 1;
 		}
@@ -716,7 +725,7 @@ acpi_ps_get_next_arg (
 	case ARGP_DATAOBJ:
 	case ARGP_TERMARG:
 
-		/* single complex argument, nothing returned */
+		/* Single complex argument, nothing returned */
 
 		walk_state->arg_count = 1;
 		break;
@@ -727,7 +736,7 @@ acpi_ps_get_next_arg (
 	case ARGP_OBJLIST:
 
 		if (parser_state->aml < parser_state->pkg_end) {
-			/* non-empty list of variable arguments, nothing returned */
+			/* Non-empty list of variable arguments, nothing returned */
 
 			walk_state->arg_count = ACPI_VAR_ARGS;
 		}

drivers/acpi/parser/psopcode.c

@@ -44,6 +44,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acparser.h>
+#include <acpi/acopcode.h>
 #include <acpi/amlcode.h>
 
 
@@ -51,23 +52,6 @@
 	 ACPI_MODULE_NAME    ("psopcode")
 
 
-#define _UNK                        0x6B
-/*
- * Reserved ASCII characters.  Do not use any of these for
- * internal opcodes, since they are used to differentiate
- * name strings from AML opcodes
- */
-#define _ASC                        0x6C
-#define _NAM                        0x6C
-#define _PFX                        0x6D
-#define _UNKNOWN_OPCODE             0x02    /* An example unknown opcode */
-
-#define MAX_EXTENDED_OPCODE         0x88
-#define NUM_EXTENDED_OPCODE         (MAX_EXTENDED_OPCODE + 1)
-#define MAX_INTERNAL_OPCODE
-#define NUM_INTERNAL_OPCODE         (MAX_INTERNAL_OPCODE + 1)
-
-
 /*******************************************************************************
  *
  * NAME:        acpi_gbl_aml_op_info
@@ -79,274 +63,9 @@
  *
  ******************************************************************************/
 
-
-/*
- * All AML opcodes and the parse-time arguments for each.  Used by the AML parser  Each list is compressed
- * into a 32-bit number and stored in the master opcode table at the end of this file.
- */
-
-
-#define ARGP_ACCESSFIELD_OP             ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_ACQUIRE_OP                 ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_WORDDATA)
-#define ARGP_ADD_OP                     ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_ALIAS_OP                   ARGP_LIST2 (ARGP_NAMESTRING, ARGP_NAME)
-#define ARGP_ARG0                       ARG_NONE
-#define ARGP_ARG1                       ARG_NONE
-#define ARGP_ARG2                       ARG_NONE
-#define ARGP_ARG3                       ARG_NONE
-#define ARGP_ARG4                       ARG_NONE
-#define ARGP_ARG5                       ARG_NONE
-#define ARGP_ARG6                       ARG_NONE
-#define ARGP_BANK_FIELD_OP              ARGP_LIST6 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_NAMESTRING,ARGP_TERMARG,   ARGP_BYTEDATA,  ARGP_FIELDLIST)
-#define ARGP_BIT_AND_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_BIT_NAND_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_BIT_NOR_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_BIT_NOT_OP                 ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_BIT_OR_OP                  ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_BIT_XOR_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_BREAK_OP                   ARG_NONE
-#define ARGP_BREAK_POINT_OP             ARG_NONE
-#define ARGP_BUFFER_OP                  ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_BYTELIST)
-#define ARGP_BYTE_OP                    ARGP_LIST1 (ARGP_BYTEDATA)
-#define ARGP_BYTELIST_OP                ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_CONCAT_OP                  ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_CONCAT_RES_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_COND_REF_OF_OP             ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_SUPERNAME)
-#define ARGP_CONTINUE_OP                ARG_NONE
-#define ARGP_COPY_OP                    ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_SIMPLENAME)
-#define ARGP_CREATE_BIT_FIELD_OP        ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
-#define ARGP_CREATE_BYTE_FIELD_OP       ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
-#define ARGP_CREATE_DWORD_FIELD_OP      ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
-#define ARGP_CREATE_FIELD_OP            ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_NAME)
-#define ARGP_CREATE_QWORD_FIELD_OP      ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
-#define ARGP_CREATE_WORD_FIELD_OP       ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
-#define ARGP_DATA_REGION_OP             ARGP_LIST4 (ARGP_NAME,       ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TERMARG)
-#define ARGP_DEBUG_OP                   ARG_NONE
-#define ARGP_DECREMENT_OP               ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_DEREF_OF_OP                ARGP_LIST1 (ARGP_TERMARG)
-#define ARGP_DEVICE_OP                  ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_OBJLIST)
-#define ARGP_DIVIDE_OP                  ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET,    ARGP_TARGET)
-#define ARGP_DWORD_OP                   ARGP_LIST1 (ARGP_DWORDDATA)
-#define ARGP_ELSE_OP                    ARGP_LIST2 (ARGP_PKGLENGTH,  ARGP_TERMLIST)
-#define ARGP_EVENT_OP                   ARGP_LIST1 (ARGP_NAME)
-#define ARGP_FATAL_OP                   ARGP_LIST3 (ARGP_BYTEDATA,   ARGP_DWORDDATA,     ARGP_TERMARG)
-#define ARGP_FIELD_OP                   ARGP_LIST4 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_BYTEDATA,  ARGP_FIELDLIST)
-#define ARGP_FIND_SET_LEFT_BIT_OP       ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_FIND_SET_RIGHT_BIT_OP      ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_FROM_BCD_OP                ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_IF_OP                      ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_TERMLIST)
-#define ARGP_INCREMENT_OP               ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_INDEX_FIELD_OP             ARGP_LIST5 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_NAMESTRING,ARGP_BYTEDATA,  ARGP_FIELDLIST)
-#define ARGP_INDEX_OP                   ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_LAND_OP                    ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LEQUAL_OP                  ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LGREATER_OP                ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LGREATEREQUAL_OP           ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LLESS_OP                   ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LLESSEQUAL_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LNOT_OP                    ARGP_LIST1 (ARGP_TERMARG)
-#define ARGP_LNOTEQUAL_OP               ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_LOAD_OP                    ARGP_LIST2 (ARGP_NAMESTRING, ARGP_SUPERNAME)
-#define ARGP_LOAD_TABLE_OP              ARGP_LIST6 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TERMARG,  ARGP_TERMARG,   ARGP_TERMARG)
-#define ARGP_LOCAL0                     ARG_NONE
-#define ARGP_LOCAL1                     ARG_NONE
-#define ARGP_LOCAL2                     ARG_NONE
-#define ARGP_LOCAL3                     ARG_NONE
-#define ARGP_LOCAL4                     ARG_NONE
-#define ARGP_LOCAL5                     ARG_NONE
-#define ARGP_LOCAL6                     ARG_NONE
-#define ARGP_LOCAL7                     ARG_NONE
-#define ARGP_LOR_OP                     ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
-#define ARGP_MATCH_OP                   ARGP_LIST6 (ARGP_TERMARG,    ARGP_BYTEDATA,      ARGP_TERMARG,   ARGP_BYTEDATA,  ARGP_TERMARG,   ARGP_TERMARG)
-#define ARGP_METHOD_OP                  ARGP_LIST4 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_TERMLIST)
-#define ARGP_METHODCALL_OP              ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_MID_OP                     ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TARGET)
-#define ARGP_MOD_OP                     ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_MULTIPLY_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_MUTEX_OP                   ARGP_LIST2 (ARGP_NAME,       ARGP_BYTEDATA)
-#define ARGP_NAME_OP                    ARGP_LIST2 (ARGP_NAME,       ARGP_DATAOBJ)
-#define ARGP_NAMEDFIELD_OP              ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_NAMEPATH_OP                ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_NOOP_OP                    ARG_NONE
-#define ARGP_NOTIFY_OP                  ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_TERMARG)
-#define ARGP_ONE_OP                     ARG_NONE
-#define ARGP_ONES_OP                    ARG_NONE
-#define ARGP_PACKAGE_OP                 ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_BYTEDATA,      ARGP_DATAOBJLIST)
-#define ARGP_POWER_RES_OP               ARGP_LIST5 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_WORDDATA,  ARGP_OBJLIST)
-#define ARGP_PROCESSOR_OP               ARGP_LIST6 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_DWORDDATA, ARGP_BYTEDATA,  ARGP_OBJLIST)
-#define ARGP_QWORD_OP                   ARGP_LIST1 (ARGP_QWORDDATA)
-#define ARGP_REF_OF_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_REGION_OP                  ARGP_LIST4 (ARGP_NAME,       ARGP_BYTEDATA,      ARGP_TERMARG,   ARGP_TERMARG)
-#define ARGP_RELEASE_OP                 ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_RESERVEDFIELD_OP           ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_RESET_OP                   ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_RETURN_OP                  ARGP_LIST1 (ARGP_TERMARG)
-#define ARGP_REVISION_OP                ARG_NONE
-#define ARGP_SCOPE_OP                   ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_TERMLIST)
-#define ARGP_SHIFT_LEFT_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_SHIFT_RIGHT_OP             ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_SIGNAL_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_SIZE_OF_OP                 ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_SLEEP_OP                   ARGP_LIST1 (ARGP_TERMARG)
-#define ARGP_STALL_OP                   ARGP_LIST1 (ARGP_TERMARG)
-#define ARGP_STATICSTRING_OP            ARGP_LIST1 (ARGP_NAMESTRING)
-#define ARGP_STORE_OP                   ARGP_LIST2 (ARGP_TERMARG,    ARGP_SUPERNAME)
-#define ARGP_STRING_OP                  ARGP_LIST1 (ARGP_CHARLIST)
-#define ARGP_SUBTRACT_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_THERMAL_ZONE_OP            ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_OBJLIST)
-#define ARGP_TIMER_OP                   ARG_NONE
-#define ARGP_TO_BCD_OP                  ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_TO_BUFFER_OP               ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_TO_DEC_STR_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_TO_HEX_STR_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_TO_INTEGER_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
-#define ARGP_TO_STRING_OP               ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
-#define ARGP_TYPE_OP                    ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_UNLOAD_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
-#define ARGP_VAR_PACKAGE_OP             ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_DATAOBJLIST)
-#define ARGP_WAIT_OP                    ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_TERMARG)
-#define ARGP_WHILE_OP                   ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_TERMLIST)
-#define ARGP_WORD_OP                    ARGP_LIST1 (ARGP_WORDDATA)
-#define ARGP_ZERO_OP                    ARG_NONE
-
-
-/*
- * All AML opcodes and the runtime arguments for each.  Used by the AML interpreter  Each list is compressed
- * into a 32-bit number and stored in the master opcode table at the end of this file.
- *
- * (Used by prep_operands procedure and the ASL Compiler)
- */
-
-
-#define ARGI_ACCESSFIELD_OP             ARGI_INVALID_OPCODE
-#define ARGI_ACQUIRE_OP                 ARGI_LIST2 (ARGI_MUTEX,      ARGI_INTEGER)
-#define ARGI_ADD_OP                     ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_ALIAS_OP                   ARGI_INVALID_OPCODE
-#define ARGI_ARG0                       ARG_NONE
-#define ARGI_ARG1                       ARG_NONE
-#define ARGI_ARG2                       ARG_NONE
-#define ARGI_ARG3                       ARG_NONE
-#define ARGI_ARG4                       ARG_NONE
-#define ARGI_ARG5                       ARG_NONE
-#define ARGI_ARG6                       ARG_NONE
-#define ARGI_BANK_FIELD_OP              ARGI_INVALID_OPCODE
-#define ARGI_BIT_AND_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_BIT_NAND_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_BIT_NOR_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_BIT_NOT_OP                 ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
-#define ARGI_BIT_OR_OP                  ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_BIT_XOR_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_BREAK_OP                   ARG_NONE
-#define ARGI_BREAK_POINT_OP             ARG_NONE
-#define ARGI_BUFFER_OP                  ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_BYTE_OP                    ARGI_INVALID_OPCODE
-#define ARGI_BYTELIST_OP                ARGI_INVALID_OPCODE
-#define ARGI_CONCAT_OP                  ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA,   ARGI_TARGETREF)
-#define ARGI_CONCAT_RES_OP              ARGI_LIST3 (ARGI_BUFFER,     ARGI_BUFFER,        ARGI_TARGETREF)
-#define ARGI_COND_REF_OF_OP             ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF)
-#define ARGI_CONTINUE_OP                ARGI_INVALID_OPCODE
-#define ARGI_COPY_OP                    ARGI_LIST2 (ARGI_ANYTYPE,    ARGI_SIMPLE_TARGET)
-#define ARGI_CREATE_BIT_FIELD_OP        ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
-#define ARGI_CREATE_BYTE_FIELD_OP       ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
-#define ARGI_CREATE_DWORD_FIELD_OP      ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
-#define ARGI_CREATE_FIELD_OP            ARGI_LIST4 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_INTEGER,      ARGI_REFERENCE)
-#define ARGI_CREATE_QWORD_FIELD_OP      ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
-#define ARGI_CREATE_WORD_FIELD_OP       ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
-#define ARGI_DATA_REGION_OP             ARGI_LIST3 (ARGI_STRING,     ARGI_STRING,        ARGI_STRING)
-#define ARGI_DEBUG_OP                   ARG_NONE
-#define ARGI_DECREMENT_OP               ARGI_LIST1 (ARGI_INTEGER_REF)
-#define ARGI_DEREF_OF_OP                ARGI_LIST1 (ARGI_REF_OR_STRING)
-#define ARGI_DEVICE_OP                  ARGI_INVALID_OPCODE
-#define ARGI_DIVIDE_OP                  ARGI_LIST4 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF,    ARGI_TARGETREF)
-#define ARGI_DWORD_OP                   ARGI_INVALID_OPCODE
-#define ARGI_ELSE_OP                    ARGI_INVALID_OPCODE
-#define ARGI_EVENT_OP                   ARGI_INVALID_OPCODE
-#define ARGI_FATAL_OP                   ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_INTEGER)
-#define ARGI_FIELD_OP                   ARGI_INVALID_OPCODE
-#define ARGI_FIND_SET_LEFT_BIT_OP       ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
-#define ARGI_FIND_SET_RIGHT_BIT_OP      ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
-#define ARGI_FROM_BCD_OP                ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
-#define ARGI_IF_OP                      ARGI_INVALID_OPCODE
-#define ARGI_INCREMENT_OP               ARGI_LIST1 (ARGI_INTEGER_REF)
-#define ARGI_INDEX_FIELD_OP             ARGI_INVALID_OPCODE
-#define ARGI_INDEX_OP                   ARGI_LIST3 (ARGI_COMPLEXOBJ, ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_LAND_OP                    ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
-#define ARGI_LEQUAL_OP                  ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
-#define ARGI_LGREATER_OP                ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
-#define ARGI_LGREATEREQUAL_OP           ARGI_INVALID_OPCODE
-#define ARGI_LLESS_OP                   ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA)
-#define ARGI_LLESSEQUAL_OP              ARGI_INVALID_OPCODE
-#define ARGI_LNOT_OP                    ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_LNOTEQUAL_OP               ARGI_INVALID_OPCODE
-#define ARGI_LOAD_OP                    ARGI_LIST2 (ARGI_REGION_OR_FIELD,ARGI_TARGETREF)
-#define ARGI_LOAD_TABLE_OP              ARGI_LIST6 (ARGI_STRING,     ARGI_STRING,        ARGI_STRING,       ARGI_STRING,    ARGI_STRING, ARGI_ANYTYPE)
-#define ARGI_LOCAL0                     ARG_NONE
-#define ARGI_LOCAL1                     ARG_NONE
-#define ARGI_LOCAL2                     ARG_NONE
-#define ARGI_LOCAL3                     ARG_NONE
-#define ARGI_LOCAL4                     ARG_NONE
-#define ARGI_LOCAL5                     ARG_NONE
-#define ARGI_LOCAL6                     ARG_NONE
-#define ARGI_LOCAL7                     ARG_NONE
-#define ARGI_LOR_OP                     ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
-#define ARGI_MATCH_OP                   ARGI_LIST6 (ARGI_PACKAGE,    ARGI_INTEGER,   ARGI_COMPUTEDATA,      ARGI_INTEGER,ARGI_COMPUTEDATA,ARGI_INTEGER)
-#define ARGI_METHOD_OP                  ARGI_INVALID_OPCODE
-#define ARGI_METHODCALL_OP              ARGI_INVALID_OPCODE
-#define ARGI_MID_OP                     ARGI_LIST4 (ARGI_BUFFER_OR_STRING,ARGI_INTEGER,  ARGI_INTEGER,      ARGI_TARGETREF)
-#define ARGI_MOD_OP                     ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_MULTIPLY_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_MUTEX_OP                   ARGI_INVALID_OPCODE
-#define ARGI_NAME_OP                    ARGI_INVALID_OPCODE
-#define ARGI_NAMEDFIELD_OP              ARGI_INVALID_OPCODE
-#define ARGI_NAMEPATH_OP                ARGI_INVALID_OPCODE
-#define ARGI_NOOP_OP                    ARG_NONE
-#define ARGI_NOTIFY_OP                  ARGI_LIST2 (ARGI_DEVICE_REF, ARGI_INTEGER)
-#define ARGI_ONE_OP                     ARG_NONE
-#define ARGI_ONES_OP                    ARG_NONE
-#define ARGI_PACKAGE_OP                 ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_POWER_RES_OP               ARGI_INVALID_OPCODE
-#define ARGI_PROCESSOR_OP               ARGI_INVALID_OPCODE
-#define ARGI_QWORD_OP                   ARGI_INVALID_OPCODE
-#define ARGI_REF_OF_OP                  ARGI_LIST1 (ARGI_OBJECT_REF)
-#define ARGI_REGION_OP                  ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
-#define ARGI_RELEASE_OP                 ARGI_LIST1 (ARGI_MUTEX)
-#define ARGI_RESERVEDFIELD_OP           ARGI_INVALID_OPCODE
-#define ARGI_RESET_OP                   ARGI_LIST1 (ARGI_EVENT)
-#define ARGI_RETURN_OP                  ARGI_INVALID_OPCODE
-#define ARGI_REVISION_OP                ARG_NONE
-#define ARGI_SCOPE_OP                   ARGI_INVALID_OPCODE
-#define ARGI_SHIFT_LEFT_OP              ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_SHIFT_RIGHT_OP             ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_SIGNAL_OP                  ARGI_LIST1 (ARGI_EVENT)
-#define ARGI_SIZE_OF_OP                 ARGI_LIST1 (ARGI_DATAOBJECT)
-#define ARGI_SLEEP_OP                   ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_STALL_OP                   ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_STATICSTRING_OP            ARGI_INVALID_OPCODE
-#define ARGI_STORE_OP                   ARGI_LIST2 (ARGI_DATAREFOBJ, ARGI_TARGETREF)
-#define ARGI_STRING_OP                  ARGI_INVALID_OPCODE
-#define ARGI_SUBTRACT_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
-#define ARGI_THERMAL_ZONE_OP            ARGI_INVALID_OPCODE
-#define ARGI_TIMER_OP                   ARG_NONE
-#define ARGI_TO_BCD_OP                  ARGI_LIST2 (ARGI_INTEGER,    ARGI_FIXED_TARGET)
-#define ARGI_TO_BUFFER_OP               ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
-#define ARGI_TO_DEC_STR_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
-#define ARGI_TO_HEX_STR_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
-#define ARGI_TO_INTEGER_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
-#define ARGI_TO_STRING_OP               ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_FIXED_TARGET)
-#define ARGI_TYPE_OP                    ARGI_LIST1 (ARGI_ANYTYPE)
-#define ARGI_UNLOAD_OP                  ARGI_LIST1 (ARGI_DDBHANDLE)
-#define ARGI_VAR_PACKAGE_OP             ARGI_LIST1 (ARGI_INTEGER)
-#define ARGI_WAIT_OP                    ARGI_LIST2 (ARGI_EVENT,      ARGI_INTEGER)
-#define ARGI_WHILE_OP                   ARGI_INVALID_OPCODE
-#define ARGI_WORD_OP                    ARGI_INVALID_OPCODE
-#define ARGI_ZERO_OP                    ARG_NONE
-
-
 /*
  * Summary of opcode types/flags
- */
-
-/******************************************************************************
+ *
 
  Opcodes that have associated namespace objects (AML_NSOBJECT flag)
 
@@ -460,14 +179,13 @@
 	AML_CREATE_DWORD_FIELD_OP
 	AML_CREATE_QWORD_FIELD_OP
 
-******************************************************************************/
+ ******************************************************************************/
 
 
 /*
- * Master Opcode information table.  A summary of everything we know about each opcode, all in one place.
+ * Master Opcode information table.  A summary of everything we know about each
+ * opcode, all in one place.
  */
-
-
 const struct acpi_opcode_info     acpi_gbl_aml_op_info[AML_NUM_OPCODES] =
 {
 /*! [Begin] no source code translation */
@@ -693,8 +411,7 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] =
  *
  * PARAMETERS:  Opcode              - The AML opcode
  *
- * RETURN:      A pointer to the info about the opcode.  NULL if the opcode was
- *              not found in the table.
+ * RETURN:      A pointer to the info about the opcode.
  *
  * DESCRIPTION: Find AML opcode description based on the opcode.
  *              NOTE: This procedure must ALWAYS return a valid pointer!
@@ -731,7 +448,8 @@ acpi_ps_get_opcode_info (
 
 	default:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown AML opcode [%4.4X]\n", opcode));
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Unknown AML opcode [%4.4X]\n", opcode));
 		break;
 	}
 

drivers/acpi/parser/psparse.c

@@ -64,6 +64,23 @@
 
 static u32                          acpi_gbl_depth = 0;
 
+/* Local prototypes */
+
+static void
+acpi_ps_complete_this_op (
+	struct acpi_walk_state          *walk_state,
+	union acpi_parse_object         *op);
+
+static acpi_status
+acpi_ps_next_parse_state (
+	struct acpi_walk_state          *walk_state,
+	union acpi_parse_object         *op,
+	acpi_status                     callback_status);
+
+static acpi_status
+acpi_ps_parse_loop (
+	struct acpi_walk_state          *walk_state);
+
 
 /*******************************************************************************
  *
@@ -100,7 +117,7 @@ acpi_ps_get_opcode_size (
  *
  * PARAMETERS:  parser_state        - A parser state object
  *
- * RETURN:      Status
+ * RETURN:      Next AML opcode
  *
  * DESCRIPTION: Get next AML opcode (without incrementing AML pointer)
  *
@@ -117,7 +134,6 @@ acpi_ps_peek_opcode (
 	aml = parser_state->aml;
 	opcode = (u16) ACPI_GET8 (aml);
 
-
 	if (opcode == AML_EXTOP) {
 		/* Extended opcode */
 
@@ -142,7 +158,7 @@ acpi_ps_peek_opcode (
  *
  ******************************************************************************/
 
-void
+static void
 acpi_ps_complete_this_op (
 	struct acpi_walk_state          *walk_state,
 	union acpi_parse_object         *op)
@@ -272,7 +288,6 @@ acpi_ps_complete_this_op (
 					next = NULL;
 				}
 			}
-
 			prev = next;
 		}
 	}
@@ -280,7 +295,7 @@ acpi_ps_complete_this_op (
 
 cleanup:
 
-	/* Now we can actually delete the subtree rooted at op */
+	/* Now we can actually delete the subtree rooted at Op */
 
 	acpi_ps_delete_parse_tree (op);
 	return_VOID;
@@ -291,7 +306,9 @@ cleanup:
  *
  * FUNCTION:    acpi_ps_next_parse_state
  *
- * PARAMETERS:  parser_state        - Current parser state object
+ * PARAMETERS:  walk_state          - Current state
+ *              Op                  - Current parse op
+ *              callback_status     - Status from previous operation
  *
  * RETURN:      Status
  *
@@ -300,7 +317,7 @@ cleanup:
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ps_next_parse_state (
 	struct acpi_walk_state          *walk_state,
 	union acpi_parse_object         *op,
@@ -382,9 +399,8 @@ acpi_ps_next_parse_state (
 
 	case AE_CTRL_TRANSFER:
 
-		/*
-		 * A method call (invocation) -- transfer control
-		 */
+		/* A method call (invocation) -- transfer control */
+
 		status = AE_CTRL_TRANSFER;
 		walk_state->prev_op = op;
 		walk_state->method_call_op = op;
@@ -397,6 +413,7 @@ acpi_ps_next_parse_state (
 
 
 	default:
+
 		status = callback_status;
 		if ((callback_status & AE_CODE_MASK) == AE_CODE_CONTROL) {
 			status = AE_OK;
@@ -412,7 +429,7 @@ acpi_ps_next_parse_state (
  *
  * FUNCTION:    acpi_ps_parse_loop
  *
- * PARAMETERS:  parser_state        - Current parser state object
+ * PARAMETERS:  walk_state          - Current state
  *
  * RETURN:      Status
  *
@@ -421,7 +438,7 @@ acpi_ps_next_parse_state (
  *
  ******************************************************************************/
 
-acpi_status
+static acpi_status
 acpi_ps_parse_loop (
 	struct acpi_walk_state          *walk_state)
 {
@@ -443,6 +460,7 @@ acpi_ps_parse_loop (
 	walk_state->arg_types = 0;
 
 #if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+
 	if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
 		/* We are restarting a preempted control method */
 
@@ -471,7 +489,8 @@ acpi_ps_parse_loop (
 							acpi_format_exception (status)));
 
 					}
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "get_predicate Failed, %s\n",
+					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+						"get_predicate Failed, %s\n",
 						acpi_format_exception (status)));
 					return_ACPI_STATUS (status);
 				}
@@ -492,16 +511,15 @@ acpi_ps_parse_loop (
 	}
 #endif
 
-	/*
-	 * Iterative parsing loop, while there is more aml to process:
-	 */
+	/* Iterative parsing loop, while there is more AML to process: */
+
 	while ((parser_state->aml < parser_state->aml_end) || (op)) {
 		aml_op_start = parser_state->aml;
 		if (!op) {
 			/* Get the next opcode from the AML stream */
 
 			walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
-					   parser_state->aml_start);
+					  parser_state->aml_start);
 			walk_state->opcode   = acpi_ps_peek_opcode (parser_state);
 
 			/*
@@ -578,8 +596,10 @@ acpi_ps_parse_loop (
 					INCREMENT_ARG_LIST (walk_state->arg_types);
 				}
 
-				/* Make sure that we found a NAME and didn't run out of arguments */
-
+				/*
+				 * Make sure that we found a NAME and didn't run out of
+				 * arguments
+				 */
 				if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
 					status = AE_AML_NO_OPERAND;
 					goto close_this_op;
@@ -597,12 +617,13 @@ acpi_ps_parse_loop (
 
 				status = walk_state->descending_callback (walk_state, &op);
 				if (ACPI_FAILURE (status)) {
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "During name lookup/catalog, %s\n",
-							acpi_format_exception (status)));
+					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+						"During name lookup/catalog, %s\n",
+						acpi_format_exception (status)));
 					goto close_this_op;
 				}
 
-				if (op == NULL) {
+				if (!op) {
 					continue;
 				}
 
@@ -659,7 +680,7 @@ acpi_ps_parse_loop (
 
 				if ((walk_state->descending_callback != NULL)) {
 					/*
-					 * Find the object.  This will either insert the object into
+					 * Find the object. This will either insert the object into
 					 * the namespace or simply look it up
 					 */
 					walk_state->op = op;
@@ -688,11 +709,15 @@ acpi_ps_parse_loop (
 		}
 
 
-		/* Start arg_count at zero because we don't know if there are any args yet */
-
+		/*
+		 * Start arg_count at zero because we don't know if there are
+		 * any args yet
+		 */
 		walk_state->arg_count = 0;
 
-		if (walk_state->arg_types) /* Are there any arguments that must be processed? */ {
+		/* Are there any arguments that must be processed? */
+
+		if (walk_state->arg_types) {
 			/* Get arguments */
 
 			switch (op->common.aml_opcode) {
@@ -720,14 +745,18 @@ acpi_ps_parse_loop (
 
 			default:
 
-				/* Op is not a constant or string, append each argument to the Op */
-
+				/*
+				 * Op is not a constant or string, append each argument
+				 * to the Op
+				 */
 				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
 						!walk_state->arg_count) {
-					walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
-							   parser_state->aml_start);
+					walk_state->aml_offset = (u32)
+						ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
+
 					status = acpi_ps_get_next_arg (walk_state, parser_state,
-							 GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
+							 GET_CURRENT_ARG_TYPE (walk_state->arg_types),
+							 &arg);
 					if (ACPI_FAILURE (status)) {
 						goto close_this_op;
 					}
@@ -752,7 +781,8 @@ acpi_ps_parse_loop (
 					 * Save the length and address of the body
 					 */
 					op->named.data   = parser_state->aml;
-					op->named.length = (u32) (parser_state->pkg_end - parser_state->aml);
+					op->named.length = (u32) (parser_state->pkg_end -
+							   parser_state->aml);
 
 					/* Skip body of method */
 
@@ -773,7 +803,8 @@ acpi_ps_parse_loop (
 						 * to parse them correctly.
 						 */
 						op->named.data   = aml_op_start;
-						op->named.length = (u32) (parser_state->pkg_end - aml_op_start);
+						op->named.length = (u32) (parser_state->pkg_end -
+								   aml_op_start);
 
 						/* Skip body */
 
@@ -785,7 +816,8 @@ acpi_ps_parse_loop (
 				case AML_WHILE_OP:
 
 					if (walk_state->control_state) {
-						walk_state->control_state->control.package_end = parser_state->pkg_end;
+						walk_state->control_state->control.package_end =
+							parser_state->pkg_end;
 					}
 					break;
 
@@ -801,8 +833,10 @@ acpi_ps_parse_loop (
 		/* Check for arguments that need to be processed */
 
 		if (walk_state->arg_count) {
-			/* There are arguments (complex ones), push Op and prepare for argument */
-
+			/*
+			 * There are arguments (complex ones), push Op and
+			 * prepare for argument
+			 */
 			status = acpi_ps_push_scope (parser_state, op,
 					 walk_state->arg_types, walk_state->arg_count);
 			if (ACPI_FAILURE (status)) {
@@ -812,8 +846,10 @@ acpi_ps_parse_loop (
 			continue;
 		}
 
-		/* All arguments have been processed -- Op is complete, prepare for next */
-
+		/*
+		 * All arguments have been processed -- Op is complete,
+		 * prepare for next
+		 */
 		walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
 		if (walk_state->op_info->flags & AML_NAMED) {
 			if (acpi_gbl_depth) {
@@ -880,9 +916,8 @@ close_this_op:
 
 		case AE_CTRL_TRANSFER:
 
-			/*
-			 * We are about to transfer to a called method.
-			 */
+			/* We are about to transfer to a called method. */
+
 			walk_state->prev_op = op;
 			walk_state->prev_arg_types = walk_state->arg_types;
 			return_ACPI_STATUS (status);
@@ -1051,10 +1086,7 @@ close_this_op:
  *
  * FUNCTION:    acpi_ps_parse_aml
  *
- * PARAMETERS:  start_scope     - The starting point of the parse.  Becomes the
- *                                root of the parsed op tree.
- *              Aml             - Pointer to the raw AML code to parse
- *              aml_size        - Length of the AML to parse
+ * PARAMETERS:  walk_state      - Current state
  *
  *
  * RETURN:      Status
@@ -1076,8 +1108,10 @@ acpi_ps_parse_aml (
 
 	ACPI_FUNCTION_TRACE ("ps_parse_aml");
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Entered with walk_state=%p Aml=%p size=%X\n",
-		walk_state, walk_state->parser_state.aml, walk_state->parser_state.aml_size));
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+		"Entered with walk_state=%p Aml=%p size=%X\n",
+		walk_state, walk_state->parser_state.aml,
+		walk_state->parser_state.aml_size));
 
 
 	/* Create and initialize a new thread state */
@@ -1142,9 +1176,10 @@ acpi_ps_parse_aml (
 			if ((status == AE_ALREADY_EXISTS) &&
 				(!walk_state->method_desc->method.semaphore)) {
 				/*
-				 * This method is marked not_serialized, but it tried to create a named
-				 * object, causing the second thread entrance to fail.  We will workaround
-				 * this by marking the method permanently as Serialized.
+				 * This method is marked not_serialized, but it tried to create
+				 * a named object, causing the second thread entrance to fail.
+				 * We will workaround this by marking the method permanently
+				 * as Serialized.
 				 */
 				walk_state->method_desc->method.method_flags |= AML_METHOD_SERIALIZED;
 				walk_state->method_desc->method.concurrency = 1;
@@ -1187,7 +1222,8 @@ acpi_ps_parse_aml (
 
 		previous_walk_state = walk_state;
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "return_value=%p, implicit_value=%p State=%p\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+			"return_value=%p, implicit_value=%p State=%p\n",
 			walk_state->return_desc, walk_state->implicit_return_obj, walk_state));
 
 		/* Check if we have restarted a preempted walk */
@@ -1231,12 +1267,14 @@ acpi_ps_parse_aml (
 		 */
 		else if (previous_walk_state->caller_return_desc) {
 			if (previous_walk_state->implicit_return_obj) {
-				*(previous_walk_state->caller_return_desc) = previous_walk_state->implicit_return_obj;
+				*(previous_walk_state->caller_return_desc) =
+					previous_walk_state->implicit_return_obj;
 			}
 			else {
 				 /* NULL if no return value */
 
-				*(previous_walk_state->caller_return_desc) = previous_walk_state->return_desc;
+				*(previous_walk_state->caller_return_desc) =
+					previous_walk_state->return_desc;
 			}
 		}
 		else {

drivers/acpi/parser/psscope.c

@@ -65,6 +65,7 @@ union acpi_parse_object *
 acpi_ps_get_parent_scope (
 	struct acpi_parse_state         *parser_state)
 {
+
 	return (parser_state->scope->parse_scope.op);
 }
 
@@ -87,8 +88,10 @@ u8
 acpi_ps_has_completed_scope (
 	struct acpi_parse_state         *parser_state)
 {
-	return ((u8) ((parser_state->aml >= parser_state->scope->parse_scope.arg_end ||
-			   !parser_state->scope->parse_scope.arg_count)));
+
+	return ((u8)
+			((parser_state->aml >= parser_state->scope->parse_scope.arg_end ||
+			 !parser_state->scope->parse_scope.arg_count)));
 }
 
 
@@ -167,23 +170,23 @@ acpi_ps_push_scope (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
-	scope->common.data_type        = ACPI_DESC_TYPE_STATE_PSCOPE;
-	scope->parse_scope.op          = op;
-	scope->parse_scope.arg_list    = remaining_args;
-	scope->parse_scope.arg_count   = arg_count;
-	scope->parse_scope.pkg_end     = parser_state->pkg_end;
+	scope->common.data_type    = ACPI_DESC_TYPE_STATE_PSCOPE;
+	scope->parse_scope.op      = op;
+	scope->parse_scope.arg_list = remaining_args;
+	scope->parse_scope.arg_count = arg_count;
+	scope->parse_scope.pkg_end = parser_state->pkg_end;
 
 	/* Push onto scope stack */
 
 	acpi_ut_push_generic_state (&parser_state->scope, scope);
 
 	if (arg_count == ACPI_VAR_ARGS) {
-		/* multiple arguments */
+		/* Multiple arguments */
 
 		scope->parse_scope.arg_end = parser_state->pkg_end;
 	}
 	else {
-		/* single argument */
+		/* Single argument */
 
 		scope->parse_scope.arg_end = ACPI_TO_POINTER (ACPI_MAX_PTR);
 	}
@@ -221,18 +224,17 @@ acpi_ps_pop_scope (
 	ACPI_FUNCTION_TRACE ("ps_pop_scope");
 
 
-	/*
-	 * Only pop the scope if there is in fact a next scope
-	 */
+	/* Only pop the scope if there is in fact a next scope */
+
 	if (scope->common.next) {
 		scope = acpi_ut_pop_generic_state (&parser_state->scope);
 
 		/* return to parsing previous op */
 
-		*op                     = scope->parse_scope.op;
-		*arg_list               = scope->parse_scope.arg_list;
-		*arg_count              = scope->parse_scope.arg_count;
-		parser_state->pkg_end   = scope->parse_scope.pkg_end;
+		*op                 = scope->parse_scope.op;
+		*arg_list           = scope->parse_scope.arg_list;
+		*arg_count          = scope->parse_scope.arg_count;
+		parser_state->pkg_end = scope->parse_scope.pkg_end;
 
 		/* All done with this scope state structure */
 
@@ -241,12 +243,13 @@ acpi_ps_pop_scope (
 	else {
 		/* empty parse stack, prepare to fetch next opcode */
 
-		*op                     = NULL;
-		*arg_list               = 0;
-		*arg_count              = 0;
+		*op       = NULL;
+		*arg_list = 0;
+		*arg_count = 0;
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped Op %p Args %X\n", *op, *arg_count));
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+		"Popped Op %p Args %X\n", *op, *arg_count));
 	return_VOID;
 }
 
@@ -257,7 +260,7 @@ acpi_ps_pop_scope (
  *
  * PARAMETERS:  parser_state        - Current parser state object
  *
- * RETURN:      Status
+ * RETURN:      None
  *
  * DESCRIPTION: Destroy available list, remaining stack levels, and return
  *              root scope

drivers/acpi/parser/pstree.c

@@ -49,6 +49,14 @@
 #define _COMPONENT          ACPI_PARSER
 	 ACPI_MODULE_NAME    ("pstree")
 
+/* Local prototypes */
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+union acpi_parse_object *
+acpi_ps_get_child (
+	union acpi_parse_object         *op);
+#endif
+
 
 /*******************************************************************************
  *
@@ -57,7 +65,7 @@
  * PARAMETERS:  Op              - Get an argument for this op
  *              Argn            - Nth argument to get
  *
- * RETURN:      The argument (as an Op object).  NULL if argument does not exist
+ * RETURN:      The argument (as an Op object). NULL if argument does not exist
  *
  * DESCRIPTION: Get the specified op's argument.
  *
@@ -152,7 +160,6 @@ acpi_ps_append_arg (
 		return;
 	}
 
-
 	/* Append the argument to the linked argument list */
 
 	if (op->common.value.arg) {
@@ -164,14 +171,12 @@ acpi_ps_append_arg (
 		}
 		prev_arg->common.next = arg;
 	}
-
 	else {
 		/* No argument list, this will be the first argument */
 
 		op->common.value.arg = arg;
 	}
 
-
 	/* Set the parent in this arg and any args linked after it */
 
 	while (arg) {
@@ -182,73 +187,6 @@ acpi_ps_append_arg (
 
 
 #ifdef ACPI_FUTURE_USAGE
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ps_get_child
- *
- * PARAMETERS:  Op              - Get the child of this Op
- *
- * RETURN:      Child Op, Null if none is found.
- *
- * DESCRIPTION: Get op's children or NULL if none
- *
- ******************************************************************************/
-union acpi_parse_object *
-acpi_ps_get_child (
-	union acpi_parse_object         *op)
-{
-	union acpi_parse_object         *child = NULL;
-
-
-	ACPI_FUNCTION_ENTRY ();
-
-
-	switch (op->common.aml_opcode) {
-	case AML_SCOPE_OP:
-	case AML_ELSE_OP:
-	case AML_DEVICE_OP:
-	case AML_THERMAL_ZONE_OP:
-	case AML_INT_METHODCALL_OP:
-
-		child = acpi_ps_get_arg (op, 0);
-		break;
-
-
-	case AML_BUFFER_OP:
-	case AML_PACKAGE_OP:
-	case AML_METHOD_OP:
-	case AML_IF_OP:
-	case AML_WHILE_OP:
-	case AML_FIELD_OP:
-
-		child = acpi_ps_get_arg (op, 1);
-		break;
-
-
-	case AML_POWER_RES_OP:
-	case AML_INDEX_FIELD_OP:
-
-		child = acpi_ps_get_arg (op, 2);
-		break;
-
-
-	case AML_PROCESSOR_OP:
-	case AML_BANK_FIELD_OP:
-
-		child = acpi_ps_get_arg (op, 3);
-		break;
-
-
-	default:
-		/* All others have no children */
-		break;
-	}
-
-	return (child);
-}
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ps_get_depth_next
@@ -280,21 +218,21 @@ acpi_ps_get_depth_next (
 		return (NULL);
 	}
 
-	/* look for an argument or child */
+	/* Look for an argument or child */
 
 	next = acpi_ps_get_arg (op, 0);
 	if (next) {
 		return (next);
 	}
 
-	/* look for a sibling */
+	/* Look for a sibling */
 
 	next = op->common.next;
 	if (next) {
 		return (next);
 	}
 
-	/* look for a sibling of parent */
+	/* Look for a sibling of parent */
 
 	parent = op->common.parent;
 
@@ -305,13 +243,13 @@ acpi_ps_get_depth_next (
 		}
 
 		if (arg == origin) {
-			/* reached parent of origin, end search */
+			/* Reached parent of origin, end search */
 
 			return (NULL);
 		}
 
 		if (parent->common.next) {
-			/* found sibling of parent */
+			/* Found sibling of parent */
 
 			return (parent->common.next);
 		}
@@ -323,5 +261,74 @@ acpi_ps_get_depth_next (
 	return (next);
 }
 
+
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_get_child
+ *
+ * PARAMETERS:  Op              - Get the child of this Op
+ *
+ * RETURN:      Child Op, Null if none is found.
+ *
+ * DESCRIPTION: Get op's children or NULL if none
+ *
+ ******************************************************************************/
+
+union acpi_parse_object *
+acpi_ps_get_child (
+	union acpi_parse_object         *op)
+{
+	union acpi_parse_object         *child = NULL;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	switch (op->common.aml_opcode) {
+	case AML_SCOPE_OP:
+	case AML_ELSE_OP:
+	case AML_DEVICE_OP:
+	case AML_THERMAL_ZONE_OP:
+	case AML_INT_METHODCALL_OP:
+
+		child = acpi_ps_get_arg (op, 0);
+		break;
+
+
+	case AML_BUFFER_OP:
+	case AML_PACKAGE_OP:
+	case AML_METHOD_OP:
+	case AML_IF_OP:
+	case AML_WHILE_OP:
+	case AML_FIELD_OP:
+
+		child = acpi_ps_get_arg (op, 1);
+		break;
+
+
+	case AML_POWER_RES_OP:
+	case AML_INDEX_FIELD_OP:
+
+		child = acpi_ps_get_arg (op, 2);
+		break;
+
+
+	case AML_PROCESSOR_OP:
+	case AML_BANK_FIELD_OP:
+
+		child = acpi_ps_get_arg (op, 3);
+		break;
+
+
+	default:
+		/* All others have no children */
+		break;
+	}
+
+	return (child);
+}
+#endif
+
 #endif  /*  ACPI_FUTURE_USAGE  */
 

drivers/acpi/parser/psutils.c

@@ -45,7 +45,6 @@
 #include <acpi/acpi.h>
 #include <acpi/acparser.h>
 #include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
 
 #define _COMPONENT          ACPI_PARSER
 	 ACPI_MODULE_NAME    ("psutils")
@@ -57,7 +56,7 @@
  *
  * PARAMETERS:  None
  *
- * RETURN:      scope_op
+ * RETURN:      A new Scope object, null on failure
  *
  * DESCRIPTION: Create a Scope and associated namepath op with the root name
  *
@@ -75,7 +74,6 @@ acpi_ps_create_scope_op (
 		return (NULL);
 	}
 
-
 	scope_op->named.name = ACPI_ROOT_NAME;
 	return (scope_op);
 }
@@ -88,10 +86,9 @@ acpi_ps_create_scope_op (
  * PARAMETERS:  Op              - A newly allocated Op object
  *              Opcode          - Opcode to store in the Op
  *
- * RETURN:      Status
+ * RETURN:      None
  *
- * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
- *              opcode
+ * DESCRIPTION: Initialize a parse (Op) object
  *
  ******************************************************************************/
 
@@ -107,7 +104,8 @@ acpi_ps_init_op (
 	op->common.aml_opcode = opcode;
 
 	ACPI_DISASM_ONLY_MEMBERS (ACPI_STRNCPY (op->common.aml_op_name,
-			(acpi_ps_get_opcode_info (opcode))->name, sizeof (op->common.aml_op_name)));
+			(acpi_ps_get_opcode_info (opcode))->name,
+				sizeof (op->common.aml_op_name)));
 }
 
 
@@ -117,7 +115,7 @@ acpi_ps_init_op (
  *
  * PARAMETERS:  Opcode          - Opcode that will be stored in the new Op
  *
- * RETURN:      Pointer to the new Op.
+ * RETURN:      Pointer to the new Op, null on failure
  *
  * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
  *              opcode.  A cache of opcodes is available for the pure
@@ -275,7 +273,6 @@ acpi_ps_get_name (
 	union acpi_parse_object         *op)
 {
 
-
 	/* The "generic" object has no name associated with it */
 
 	if (op->common.flags & ACPI_PARSEOP_GENERIC) {

drivers/acpi/parser/pswalk.c

@@ -90,17 +90,15 @@ acpi_ps_delete_parse_tree (
 			}
 		}
 
-		/*
-		 * No more children, this Op is complete.
-		 */
+		/* No more children, this Op is complete. */
+
 		next = op->common.next;
 		parent = op->common.parent;
 
 		acpi_ps_free_op (op);
 
-		/*
-		 * If we are back to the starting point, the walk is complete.
-		 */
+		/* If we are back to the starting point, the walk is complete. */
+
 		if (op == subtree_root) {
 			return_VOID;
 		}
@@ -111,5 +109,6 @@ acpi_ps_delete_parse_tree (
 			op = parent;
 		}
 	}
+
 	return_VOID;
 }

drivers/acpi/parser/psxface.c

@@ -57,13 +57,16 @@
  *
  * FUNCTION:    acpi_psx_execute
  *
- * PARAMETERS:  Info->Node          - A method object containing both the AML
- *                                    address and length.
- *              **Params            - List of parameters to pass to method,
+ * PARAMETERS:  Info            - Method info block, contains:
+ *                  Node            - Method Node to execute
+ *                  Parameters      - List of parameters to pass to the method,
  *                                    terminated by NULL. Params itself may be
  *                                    NULL if no parameters are being passed.
- *              **return_obj_desc   - Return object from execution of the
- *                                    method.
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
+ *                  parameter_type  - Type of Parameter list
+ *                  return_object   - Where to put method's return value (if
+ *                                    any). If NULL, no value is returned.
  *
  * RETURN:      Status
  *
@@ -196,9 +199,8 @@ acpi_psx_execute (
 		goto cleanup3;
 	}
 
-	/*
-	 * The walk of the parse tree is where we actually execute the method
-	 */
+	/* The walk of the parse tree is where we actually execute the method */
+
 	status = acpi_ps_parse_aml (walk_state);
 	goto cleanup2; /* Walk state already deleted */
 
@@ -217,7 +219,8 @@ cleanup1:
 		for (i = 0; info->parameters[i]; i++) {
 			/* Ignore errors, just do them all */
 
-			(void) acpi_ut_update_object_reference (info->parameters[i], REF_DECREMENT);
+			(void) acpi_ut_update_object_reference (
+					 info->parameters[i], REF_DECREMENT);
 		}
 	}
 

drivers/acpi/pci_link.c

@@ -72,10 +72,12 @@ struct acpi_pci_link_irq {
 	u8			active;			/* Current IRQ */
 	u8			edge_level;		/* All IRQs */
 	u8			active_high_low;	/* All IRQs */
-	u8			initialized;
 	u8			resource_type;
 	u8			possible_count;
 	u8			possible[ACPI_PCI_LINK_MAX_POSSIBLE];
+	u8			initialized:1;
+	u8			suspend_resume:1;
+	u8			reserved:6;
 };
 
 struct acpi_pci_link {
@@ -530,6 +532,10 @@ static int acpi_pci_link_allocate(
 
 	ACPI_FUNCTION_TRACE("acpi_pci_link_allocate");
 
+	if (link->irq.suspend_resume) {
+		acpi_pci_link_set(link, link->irq.active);
+		link->irq.suspend_resume = 0;
+	}
 	if (link->irq.initialized)
 		return_VALUE(0);
 
@@ -713,38 +719,24 @@ end:
 	return_VALUE(result);
 }
 
-
-static int
-acpi_pci_link_resume (
-	struct acpi_pci_link	*link)
-{
-	ACPI_FUNCTION_TRACE("acpi_pci_link_resume");
-	
-	if (link->irq.active && link->irq.initialized)
-		return_VALUE(acpi_pci_link_set(link, link->irq.active));
-	else
-		return_VALUE(0);
-}
-
-
 static int
-irqrouter_resume(
-	struct sys_device *dev)
+irqrouter_suspend(
+	struct sys_device *dev,
+	u32	state)
 {
 	struct list_head        *node = NULL;
 	struct acpi_pci_link    *link = NULL;
 
-	ACPI_FUNCTION_TRACE("irqrouter_resume");
+	ACPI_FUNCTION_TRACE("irqrouter_suspend");
 
 	list_for_each(node, &acpi_link.entries) {
-
 		link = list_entry(node, struct acpi_pci_link, node);
 		if (!link) {
 			ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n"));
 			continue;
 		}
-
-		acpi_pci_link_resume(link);
+		if (link->irq.active && link->irq.initialized)
+			link->irq.suspend_resume = 1;
 	}
 	return_VALUE(0);
 }
@@ -812,9 +804,12 @@ static int __init acpi_irq_penalty_update(char *str, int used)
  * There is no ISA_POSSIBLE weight, so we simply use
  * the (small) PCI_USING penalty.
  */
-void acpi_penalize_isa_irq(int irq)
+void acpi_penalize_isa_irq(int irq, int active)
 {
-	acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
+	if (active)
+		acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED;
+	else
+		acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
 }
 
 /*
@@ -856,7 +851,7 @@ __setup("acpi_irq_balance", acpi_irq_balance_set);
 
 static struct sysdev_class irqrouter_sysdev_class = {
         set_kset_name("irqrouter"),
-        .resume = irqrouter_resume,
+        .suspend = irqrouter_suspend,
 };
 
 

drivers/acpi/processor_core.c

@@ -255,6 +255,43 @@ acpi_processor_errata (
 }
 
 
+/* --------------------------------------------------------------------------
+                              Common ACPI processor fucntions
+   -------------------------------------------------------------------------- */
+
+/*
+ * _PDC is required for a BIOS-OS handshake for most of the newer
+ * ACPI processor features.
+ */
+
+int acpi_processor_set_pdc(struct acpi_processor *pr,
+				struct acpi_object_list *pdc_in)
+{
+	acpi_status		status = AE_OK;
+	u32			arg0_buf[3];
+	union acpi_object	arg0 = {ACPI_TYPE_BUFFER};
+	struct acpi_object_list	no_object = {1, &arg0};
+	struct acpi_object_list	*pdc;
+
+	ACPI_FUNCTION_TRACE("acpi_processor_set_pdc");
+
+	arg0.buffer.length = 12;
+	arg0.buffer.pointer = (u8 *) arg0_buf;
+	arg0_buf[0] = ACPI_PDC_REVISION_ID;
+	arg0_buf[1] = 0;
+	arg0_buf[2] = 0;
+
+	pdc = (pdc_in) ? pdc_in : &no_object;
+
+	status = acpi_evaluate_object(pr->handle, "_PDC", pdc, NULL);
+
+	if ((ACPI_FAILURE(status)) && (pdc_in))
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Error evaluating _PDC, using legacy perf. control...\n"));
+
+	return_VALUE(status);
+}
+
+
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */

drivers/acpi/processor_idle.c

@@ -6,6 +6,8 @@
  *  Copyright (C) 2004       Dominik Brodowski <linux@brodo.de>
  *  Copyright (C) 2004  Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  *  			- Added processor hotplug support
+ *  Copyright (C) 2005  Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ *  			- Added support for C3 on SMP
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
@@ -142,7 +144,7 @@ acpi_processor_power_activate (
 		switch (old->type) {
 		case ACPI_STATE_C3:
 			/* Disable bus master reload */
-			if (new->type != ACPI_STATE_C3)
+			if (new->type != ACPI_STATE_C3 && pr->flags.bm_check)
 				acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, ACPI_MTX_DO_NOT_LOCK);
 			break;
 		}
@@ -152,7 +154,7 @@ acpi_processor_power_activate (
 	switch (new->type) {
 	case ACPI_STATE_C3:
 		/* Enable bus master reload */
-		if (old->type != ACPI_STATE_C3)
+		if (old->type != ACPI_STATE_C3 && pr->flags.bm_check)
 			acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1, ACPI_MTX_DO_NOT_LOCK);
 		break;
 	}
@@ -163,6 +165,9 @@ acpi_processor_power_activate (
 }
 
 
+static atomic_t 	c3_cpu_count;
+
+
 static void acpi_processor_idle (void)
 {
 	struct acpi_processor	*pr = NULL;
@@ -297,8 +302,22 @@ static void acpi_processor_idle (void)
 		break;
 
 	case ACPI_STATE_C3:
-		/* Disable bus master arbitration */
-		acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, ACPI_MTX_DO_NOT_LOCK);
+		
+		if (pr->flags.bm_check) {
+			if (atomic_inc_return(&c3_cpu_count) ==
+					num_online_cpus()) {
+				/*
+				 * All CPUs are trying to go to C3
+				 * Disable bus master arbitration
+				 */
+				acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
+					ACPI_MTX_DO_NOT_LOCK);
+			}
+		} else {
+			/* SMP with no shared cache... Invalidate cache  */
+			ACPI_FLUSH_CPU_CACHE();
+		}
+		
 		/* Get start time (ticks) */
 		t1 = inl(acpi_fadt.xpm_tmr_blk.address);
 		/* Invoke C3 */
@@ -307,8 +326,12 @@ static void acpi_processor_idle (void)
 		t2 = inl(acpi_fadt.xpm_tmr_blk.address);
 		/* Get end time (ticks) */
 		t2 = inl(acpi_fadt.xpm_tmr_blk.address);
-		/* Enable bus master arbitration */
-		acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK);
+		if (pr->flags.bm_check) {
+			/* Enable bus master arbitration */
+			atomic_dec(&c3_cpu_count);
+			acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK);
+		}
+
 		/* Re-enable interrupts */
 		local_irq_enable();
 		/* Compute time (ticks) that we were actually asleep */
@@ -519,6 +542,29 @@ static int acpi_processor_get_power_info_fadt (struct acpi_processor *pr)
 }
 
 
+static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr)
+{
+	int i;
+
+	ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1");
+
+	for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++)
+		memset(pr->power.states, 0, sizeof(struct acpi_processor_cx));
+
+	/* if info is obtained from pblk/fadt, type equals state */
+	pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1;
+	pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2;
+	pr->power.states[ACPI_STATE_C3].type = ACPI_STATE_C3;
+
+	/* the C0 state only exists as a filler in our array,
+	 * and all processors need to support C1 */
+	pr->power.states[ACPI_STATE_C0].valid = 1;
+	pr->power.states[ACPI_STATE_C1].valid = 1;
+
+	return_VALUE(0);
+}
+
+
 static int acpi_processor_get_power_info_cst (struct acpi_processor *pr)
 {
 	acpi_status		status = 0;
@@ -529,9 +575,6 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr)
 
 	ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_cst");
 
-	if (errata.smp)
-		return_VALUE(-ENODEV);
-
 	if (nocst)
 		return_VALUE(-ENODEV);
 
@@ -664,13 +707,6 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx)
 		return_VOID;
 	}
 
-	/* We're (currently) only supporting C2 on UP */
-	else if (errata.smp) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "C2 not supported in SMP mode\n"));
-		return_VOID;
-	}
-
 	/*
 	 * Otherwise we've met all of our C2 requirements.
 	 * Normalize the C2 latency to expidite policy
@@ -686,6 +722,8 @@ static void acpi_processor_power_verify_c3(
 	struct acpi_processor *pr,
 	struct acpi_processor_cx *cx)
 {
+	static int bm_check_flag;
+
 	ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c3");
 
 	if (!cx->address)
@@ -702,20 +740,6 @@ static void acpi_processor_power_verify_c3(
 		return_VOID;
 	}
 
-	/* bus mastering control is necessary */
-	else if (!pr->flags.bm_control) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "C3 support requires bus mastering control\n"));
-		return_VOID;
-	}
-
-	/* We're (currently) only supporting C2 on UP */
-	else if (errata.smp) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "C3 not supported in SMP mode\n"));
-		return_VOID;
-	}
-
 	/*
 	 * PIIX4 Erratum #18: We don't support C3 when Type-F (fast)
 	 * DMA transfers are used by any ISA device to avoid livelock.
@@ -729,6 +753,39 @@ static void acpi_processor_power_verify_c3(
 		return_VOID;
 	}
 
+	/* All the logic here assumes flags.bm_check is same across all CPUs */
+	if (!bm_check_flag) {
+		/* Determine whether bm_check is needed based on CPU  */
+		acpi_processor_power_init_bm_check(&(pr->flags), pr->id);
+		bm_check_flag = pr->flags.bm_check;
+	} else {
+		pr->flags.bm_check = bm_check_flag;
+	}
+
+	if (pr->flags.bm_check) {
+		printk("Disabling BM access before entering C3\n");
+		/* bus mastering control is necessary */
+		if (!pr->flags.bm_control) {
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+			  "C3 support requires bus mastering control\n"));
+			return_VOID;
+		}
+	} else {
+		printk("Invalidating cache before entering C3\n");
+		/*
+		 * WBINVD should be set in fadt, for C3 state to be
+		 * supported on when bm_check is not required.
+		 */
+		if (acpi_fadt.wb_invd != 1) {
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+			  "Cache invalidation should work properly"
+			  " for C3 to be enabled on SMP systems\n"));
+			return_VOID;
+		}
+		acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD,
+				0, ACPI_MTX_DO_NOT_LOCK);
+	}
+
 	/*
 	 * Otherwise we've met all of our C3 requirements.
 	 * Normalize the C3 latency to expidite policy.  Enable
@@ -737,7 +794,6 @@ static void acpi_processor_power_verify_c3(
 	 */
 	cx->valid = 1;
 	cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency);
-	pr->flags.bm_check = 1;
 
 	return_VOID;
 }
@@ -787,10 +843,7 @@ static int acpi_processor_get_power_info (
 	if ((result) || (acpi_processor_power_verify(pr) < 2)) {
 		result = acpi_processor_get_power_info_fadt(pr);
 		if (result)
-			return_VALUE(result);
-
-		if (acpi_processor_power_verify(pr) < 2)
-			return_VALUE(-ENODEV);
+			result = acpi_processor_get_power_info_default_c1(pr);
 	}
 
 	/*
@@ -810,11 +863,10 @@ static int acpi_processor_get_power_info (
 	 * CPU as being "idle manageable"
 	 */
 	for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
-		if (pr->power.states[i].valid)
+		if (pr->power.states[i].valid) {
 			pr->power.count = i;
-		if ((pr->power.states[i].valid) &&
-		    (pr->power.states[i].type >= ACPI_STATE_C2))
 			pr->flags.power = 1;
+		}
 	}
 
 	return_VALUE(0);
@@ -829,7 +881,7 @@ int acpi_processor_cst_has_changed (struct acpi_processor *pr)
 	if (!pr)
  		return_VALUE(-EINVAL);
 
-	if (errata.smp || nocst) {
+	if ( nocst) {
 		return_VALUE(-ENODEV);
 	}
 
@@ -929,7 +981,6 @@ static struct file_operations acpi_processor_power_fops = {
 	.release	= single_release,
 };
 
-
 int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device)
 {
 	acpi_status		status = 0;
@@ -946,7 +997,10 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev
 		first_run++;
 	}
 
-	if (!errata.smp && (pr->id == 0) && acpi_fadt.cst_cnt && !nocst) {
+	if (!pr)
+		return_VALUE(-EINVAL);
+
+	if (acpi_fadt.cst_cnt && !nocst) {
 		status = acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8);
 		if (ACPI_FAILURE(status)) {
 			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -954,6 +1008,8 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev
 		}
 	}
 
+	acpi_processor_power_init_pdc(&(pr->power), pr->id);
+	acpi_processor_set_pdc(pr, pr->power.pdc);
 	acpi_processor_get_power_info(pr);
 
 	/*

drivers/acpi/processor_perflib.c

@@ -165,37 +165,6 @@ void acpi_processor_ppc_exit(void) {
 	acpi_processor_ppc_status &= ~PPC_REGISTERED;
 }
 
-/*
- * when registering a cpufreq driver with this ACPI processor driver, the
- * _PCT and _PSS structures are read out and written into struct
- * acpi_processor_performance.
- */
-static int acpi_processor_set_pdc (struct acpi_processor *pr)
-{
-	acpi_status             status = AE_OK;
-	u32			arg0_buf[3];
-	union acpi_object	arg0 = {ACPI_TYPE_BUFFER};
-	struct acpi_object_list no_object = {1, &arg0};
-	struct acpi_object_list *pdc;
-
-	ACPI_FUNCTION_TRACE("acpi_processor_set_pdc");
-
-	arg0.buffer.length = 12;
-	arg0.buffer.pointer = (u8 *) arg0_buf;
-	arg0_buf[0] = ACPI_PDC_REVISION_ID;
-	arg0_buf[1] = 0;
-	arg0_buf[2] = 0;
-
-	pdc = (pr->performance->pdc) ? pr->performance->pdc : &no_object;
-
-	status = acpi_evaluate_object(pr->handle, "_PDC", pdc, NULL);
-
-	if ((ACPI_FAILURE(status)) && (pr->performance->pdc))
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Error evaluating _PDC, using legacy perf. control...\n"));
-
-	return_VALUE(status);
-}
-
 
 static int
 acpi_processor_get_performance_control (
@@ -357,7 +326,7 @@ acpi_processor_get_performance_info (
 	if (!pr || !pr->performance || !pr->handle)
 		return_VALUE(-EINVAL);
 
-	acpi_processor_set_pdc(pr);
+	acpi_processor_set_pdc(pr, pr->performance->pdc);
 
 	status = acpi_get_handle(pr->handle, "_PCT", &handle);
 	if (ACPI_FAILURE(status)) {

drivers/acpi/resources/rsaddr.c

@@ -77,21 +77,21 @@ acpi_rs_address16_resource (
 	u8                              **output_buffer,
 	acpi_size                       *structure_size)
 {
-	u8                              *buffer = byte_stream_buffer;
-	struct acpi_resource            *output_struct = (void *) *output_buffer;
-	u8                              *temp_ptr;
-	acpi_size                       struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16);
 	u32                             index;
 	u16                             temp16;
 	u8                              temp8;
+	u8                              *temp_ptr;
+	u8                              *buffer = byte_stream_buffer;
+	struct acpi_resource            *output_struct = (void *) *output_buffer;
+	acpi_size                       struct_size = ACPI_SIZEOF_RESOURCE (
+			  struct acpi_resource_address16);
 
 
 	ACPI_FUNCTION_TRACE ("rs_address16_resource");
 
 
-	/*
-	 * Point past the Descriptor to get the number of bytes consumed
-	 */
+	/* Point past the Descriptor to get the number of bytes consumed */
+
 	buffer += 1;
 	ACPI_MOVE_16_TO_16 (&temp16, buffer);
 
@@ -104,9 +104,8 @@ acpi_rs_address16_resource (
 	*bytes_consumed = temp16 + 3;
 	output_struct->id = ACPI_RSTYPE_ADDRESS16;
 
-	/*
-	 * Get the Resource Type (Byte3)
-	 */
+	/* Get the Resource Type (Byte3) */
+
 	buffer += 2;
 	temp8 = *buffer;
 
@@ -118,9 +117,8 @@ acpi_rs_address16_resource (
 
 	output_struct->data.address16.resource_type = temp8;
 
-	/*
-	 * Get the General Flags (Byte4)
-	 */
+	/* Get the General Flags (Byte4) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
@@ -140,9 +138,8 @@ acpi_rs_address16_resource (
 
 	output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01;
 
-	/*
-	 * Get the Type Specific Flags (Byte5)
-	 */
+	/* Get the Type Specific Flags (Byte5) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
@@ -165,39 +162,34 @@ acpi_rs_address16_resource (
 		}
 	}
 
-	/*
-	 * Get Granularity (Bytes 6-7)
-	 */
+	/* Get Granularity (Bytes 6-7) */
+
 	buffer += 1;
 	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.granularity, buffer);
 
-	/*
-	 * Get min_address_range (Bytes 8-9)
-	 */
+	/* Get min_address_range (Bytes 8-9) */
+
 	buffer += 2;
 	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.min_address_range, buffer);
 
-	/*
-	 * Get max_address_range (Bytes 10-11)
-	 */
+	/* Get max_address_range (Bytes 10-11) */
+
 	buffer += 2;
 	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.max_address_range, buffer);
 
-	/*
-	 * Get address_translation_offset (Bytes 12-13)
-	 */
+	/* Get address_translation_offset (Bytes 12-13) */
+
 	buffer += 2;
-	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset, buffer);
+	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset,
+		buffer);
+
+	/* Get address_length (Bytes 14-15) */
 
-	/*
-	 * Get address_length (Bytes 14-15)
-	 */
 	buffer += 2;
 	ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_length, buffer);
 
-	/*
-	 * Resource Source Index (if present)
-	 */
+	/* Resource Source Index (if present) */
+
 	buffer += 2;
 
 	/*
@@ -225,7 +217,8 @@ acpi_rs_address16_resource (
 		output_struct->data.address16.resource_source.string_ptr =
 				(char *)((u8 * )output_struct + struct_size);
 
-		temp_ptr = (u8 *) output_struct->data.address16.resource_source.string_ptr;
+		temp_ptr = (u8 *)
+			output_struct->data.address16.resource_source.string_ptr;
 
 		/* Copy the string into the buffer */
 
@@ -239,9 +232,8 @@ acpi_rs_address16_resource (
 			index += 1;
 		}
 
-		/*
-		 * Add the terminating null
-		 */
+		/* Add the terminating null */
+
 		*temp_ptr = 0x00;
 
 		output_struct->data.address16.resource_source.string_length = index + 1;
@@ -260,14 +252,12 @@ acpi_rs_address16_resource (
 		output_struct->data.address16.resource_source.string_ptr = NULL;
 	}
 
-	/*
-	 * Set the Length parameter
-	 */
+	/* Set the Length parameter */
+
 	output_struct->length = (u32) struct_size;
 
-	/*
-	 * Return the final size of the structure
-	 */
+	/* Return the final size of the structure */
+
 	*structure_size = struct_size;
 	return_ACPI_STATUS (AE_OK);
 }
@@ -305,28 +295,24 @@ acpi_rs_address16_stream (
 	ACPI_FUNCTION_TRACE ("rs_address16_stream");
 
 
-	/*
-	 * The descriptor field is static
-	 */
+	/* The descriptor field is static */
+
 	*buffer = 0x88;
 	buffer += 1;
 
-	/*
-	 * Save a pointer to the Length field - to be filled in later
-	 */
+	/* Save a pointer to the Length field - to be filled in later */
+
 	length_field = buffer;
 	buffer += 2;
 
-	/*
-	 * Set the Resource Type (Memory, Io, bus_number)
-	 */
+	/* Set the Resource Type (Memory, Io, bus_number) */
+
 	temp8 = (u8) (linked_list->data.address16.resource_type & 0x03);
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the general flags
-	 */
+	/* Set the general flags */
+
 	temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01);
 
 	temp8 |= (linked_list->data.address16.decode & 0x01) << 1;
@@ -336,9 +322,8 @@ acpi_rs_address16_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the type specific flags
-	 */
+	/* Set the type specific flags */
+
 	temp8 = 0;
 
 	if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) {
@@ -362,39 +347,34 @@ acpi_rs_address16_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the address space granularity
-	 */
+	/* Set the address space granularity */
+
 	ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.granularity);
 	buffer += 2;
 
-	/*
-	 * Set the address range minimum
-	 */
+	/* Set the address range minimum */
+
 	ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.min_address_range);
 	buffer += 2;
 
-	/*
-	 * Set the address range maximum
-	 */
+	/* Set the address range maximum */
+
 	ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.max_address_range);
 	buffer += 2;
 
-	/*
-	 * Set the address translation offset
-	 */
-	ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_translation_offset);
+	/* Set the address translation offset */
+
+	ACPI_MOVE_32_TO_16 (buffer,
+		&linked_list->data.address16.address_translation_offset);
 	buffer += 2;
 
-	/*
-	 * Set the address length
-	 */
+	/* Set the address length */
+
 	ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_length);
 	buffer += 2;
 
-	/*
-	 * Resource Source Index and Resource Source are optional
-	 */
+	/* Resource Source Index and Resource Source are optional */
+
 	if (0 != linked_list->data.address16.resource_source.string_length) {
 		temp8 = (u8) linked_list->data.address16.resource_source.index;
 
@@ -403,9 +383,8 @@ acpi_rs_address16_stream (
 
 		temp_pointer = (char *) buffer;
 
-		/*
-		 * Copy the string
-		 */
+		/* Copy the string */
+
 		ACPI_STRCPY (temp_pointer,
 				linked_list->data.address16.resource_source.string_ptr);
 
@@ -413,12 +392,12 @@ acpi_rs_address16_stream (
 		 * Buffer needs to be set to the length of the sting + one for the
 		 * terminating null
 		 */
-		buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address16.resource_source.string_ptr) + 1);
+		buffer += (acpi_size)(ACPI_STRLEN (
+				 linked_list->data.address16.resource_source.string_ptr) + 1);
 	}
 
-	/*
-	 * Return the number of bytes consumed in this operation
-	 */
+	/* Return the number of bytes consumed in this operation */
+
 	actual_bytes = ACPI_PTR_DIFF (buffer, *output_buffer);
 	*bytes_consumed = actual_bytes;
 
@@ -475,9 +454,8 @@ acpi_rs_address32_resource (
 	buffer = byte_stream_buffer;
 	struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32);
 
-	/*
-	 * Point past the Descriptor to get the number of bytes consumed
-	 */
+	/* Point past the Descriptor to get the number of bytes consumed */
+
 	buffer += 1;
 	ACPI_MOVE_16_TO_16 (&temp16, buffer);
 
@@ -490,9 +468,8 @@ acpi_rs_address32_resource (
 	*bytes_consumed = temp16 + 3;
 	output_struct->id = ACPI_RSTYPE_ADDRESS32;
 
-	/*
-	 * Get the Resource Type (Byte3)
-	 */
+	/* Get the Resource Type (Byte3) */
+
 	buffer += 2;
 	temp8 = *buffer;
 
@@ -504,35 +481,29 @@ acpi_rs_address32_resource (
 
 	output_struct->data.address32.resource_type = temp8;
 
-	/*
-	 * Get the General Flags (Byte4)
-	 */
+	/* Get the General Flags (Byte4) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
-	/*
-	 * Producer / Consumer
-	 */
+	/* Producer / Consumer */
+
 	output_struct->data.address32.producer_consumer = temp8 & 0x01;
 
-	/*
-	 * Decode
-	 */
+	/* Decode */
+
 	output_struct->data.address32.decode = (temp8 >> 1) & 0x01;
 
-	/*
-	 * Min Address Fixed
-	 */
+	/* Min Address Fixed */
+
 	output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01;
 
-	/*
-	 * Max Address Fixed
-	 */
+	/* Max Address Fixed */
+
 	output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01;
 
-	/*
-	 * Get the Type Specific Flags (Byte5)
-	 */
+	/* Get the Type Specific Flags (Byte5) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
@@ -556,39 +527,34 @@ acpi_rs_address32_resource (
 		}
 	}
 
-	/*
-	 * Get Granularity (Bytes 6-9)
-	 */
+	/* Get Granularity (Bytes 6-9) */
+
 	buffer += 1;
 	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.granularity, buffer);
 
-	/*
-	 * Get min_address_range (Bytes 10-13)
-	 */
+	/* Get min_address_range (Bytes 10-13) */
+
 	buffer += 4;
 	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.min_address_range, buffer);
 
-	/*
-	 * Get max_address_range (Bytes 14-17)
-	 */
+	/* Get max_address_range (Bytes 14-17) */
+
 	buffer += 4;
 	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.max_address_range, buffer);
 
-	/*
-	 * Get address_translation_offset (Bytes 18-21)
-	 */
+	/* Get address_translation_offset (Bytes 18-21) */
+
 	buffer += 4;
-	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset, buffer);
+	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset,
+		buffer);
+
+	/* Get address_length (Bytes 22-25) */
 
-	/*
-	 * Get address_length (Bytes 22-25)
-	 */
 	buffer += 4;
 	ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_length, buffer);
 
-	/*
-	 * Resource Source Index (if present)
-	 */
+	/* Resource Source Index (if present) */
+
 	buffer += 4;
 
 	/*
@@ -615,7 +581,8 @@ acpi_rs_address32_resource (
 		output_struct->data.address32.resource_source.string_ptr =
 				(char *)((u8 *)output_struct + struct_size);
 
-		temp_ptr = (u8 *) output_struct->data.address32.resource_source.string_ptr;
+		temp_ptr = (u8 *)
+			output_struct->data.address32.resource_source.string_ptr;
 
 		/* Copy the string into the buffer */
 
@@ -628,9 +595,8 @@ acpi_rs_address32_resource (
 			index += 1;
 		}
 
-		/*
-		 * Add the terminating null
-		 */
+		/* Add the terminating null */
+
 		*temp_ptr = 0x00;
 		output_struct->data.address32.resource_source.string_length = index + 1;
 
@@ -648,14 +614,12 @@ acpi_rs_address32_resource (
 		output_struct->data.address32.resource_source.string_ptr = NULL;
 	}
 
-	/*
-	 * Set the Length parameter
-	 */
+	/* Set the Length parameter */
+
 	output_struct->length = (u32) struct_size;
 
-	/*
-	 * Return the final size of the structure
-	 */
+	/* Return the final size of the structure */
+
 	*structure_size = struct_size;
 	return_ACPI_STATUS (AE_OK);
 }
@@ -694,29 +658,25 @@ acpi_rs_address32_stream (
 
 	buffer = *output_buffer;
 
-	/*
-	 * The descriptor field is static
-	 */
+	/* The descriptor field is static */
+
 	*buffer = 0x87;
 	buffer += 1;
 
-	/*
-	 * Set a pointer to the Length field - to be filled in later
-	 */
+	/* Set a pointer to the Length field - to be filled in later */
+
 	length_field = ACPI_CAST_PTR (u16, buffer);
 	buffer += 2;
 
-	/*
-	 * Set the Resource Type (Memory, Io, bus_number)
-	 */
+	/* Set the Resource Type (Memory, Io, bus_number) */
+
 	temp8 = (u8) (linked_list->data.address32.resource_type & 0x03);
 
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the general flags
-	 */
+	/* Set the general flags */
+
 	temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01);
 	temp8 |= (linked_list->data.address32.decode & 0x01) << 1;
 	temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2;
@@ -725,9 +685,8 @@ acpi_rs_address32_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the type specific flags
-	 */
+	/* Set the type specific flags */
+
 	temp8 = 0;
 
 	if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) {
@@ -751,39 +710,34 @@ acpi_rs_address32_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the address space granularity
-	 */
+	/* Set the address space granularity */
+
 	ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.granularity);
 	buffer += 4;
 
-	/*
-	 * Set the address range minimum
-	 */
+	/* Set the address range minimum */
+
 	ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.min_address_range);
 	buffer += 4;
 
-	/*
-	 * Set the address range maximum
-	 */
+	/* Set the address range maximum */
+
 	ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.max_address_range);
 	buffer += 4;
 
-	/*
-	 * Set the address translation offset
-	 */
-	ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_translation_offset);
+	/* Set the address translation offset */
+
+	ACPI_MOVE_32_TO_32 (buffer,
+		&linked_list->data.address32.address_translation_offset);
 	buffer += 4;
 
-	/*
-	 * Set the address length
-	 */
+	/* Set the address length */
+
 	ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_length);
 	buffer += 4;
 
-	/*
-	 * Resource Source Index and Resource Source are optional
-	 */
+	/* Resource Source Index and Resource Source are optional */
+
 	if (0 != linked_list->data.address32.resource_source.string_length) {
 		temp8 = (u8) linked_list->data.address32.resource_source.index;
 
@@ -792,9 +746,8 @@ acpi_rs_address32_stream (
 
 		temp_pointer = (char *) buffer;
 
-		/*
-		 * Copy the string
-		 */
+		/* Copy the string */
+
 		ACPI_STRCPY (temp_pointer,
 			linked_list->data.address32.resource_source.string_ptr);
 
@@ -802,12 +755,12 @@ acpi_rs_address32_stream (
 		 * Buffer needs to be set to the length of the sting + one for the
 		 *  terminating null
 		 */
-		buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address32.resource_source.string_ptr) + 1);
+		buffer += (acpi_size)(ACPI_STRLEN (
+				 linked_list->data.address32.resource_source.string_ptr) + 1);
 	}
 
-	/*
-	 * Return the number of bytes consumed in this operation
-	 */
+	/* Return the number of bytes consumed in this operation */
+
 	*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
 
 	/*
@@ -864,9 +817,8 @@ acpi_rs_address64_resource (
 	struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64);
 	resource_type = *buffer;
 
-	/*
-	 * Point past the Descriptor to get the number of bytes consumed
-	 */
+	/* Point past the Descriptor to get the number of bytes consumed */
+
 	buffer += 1;
 	ACPI_MOVE_16_TO_16 (&temp16, buffer);
 
@@ -879,9 +831,8 @@ acpi_rs_address64_resource (
 	*bytes_consumed = temp16 + 3;
 	output_struct->id = ACPI_RSTYPE_ADDRESS64;
 
-	/*
-	 * Get the Resource Type (Byte3)
-	 */
+	/* Get the Resource Type (Byte3) */
+
 	buffer += 2;
 	temp8 = *buffer;
 
@@ -893,35 +844,29 @@ acpi_rs_address64_resource (
 
 	output_struct->data.address64.resource_type = temp8;
 
-	/*
-	 * Get the General Flags (Byte4)
-	 */
+	/* Get the General Flags (Byte4) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
-	/*
-	 * Producer / Consumer
-	 */
+	/* Producer / Consumer */
+
 	output_struct->data.address64.producer_consumer = temp8 & 0x01;
 
-	/*
-	 * Decode
-	 */
+	/* Decode */
+
 	output_struct->data.address64.decode = (temp8 >> 1) & 0x01;
 
-	/*
-	 * Min Address Fixed
-	 */
+	/* Min Address Fixed */
+
 	output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01;
 
-	/*
-	 * Max Address Fixed
-	 */
+	/* Max Address Fixed */
+
 	output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01;
 
-	/*
-	 * Get the Type Specific Flags (Byte5)
-	 */
+	/* Get the Type Specific Flags (Byte5) */
+
 	buffer += 1;
 	temp8 = *buffer;
 
@@ -951,33 +896,29 @@ acpi_rs_address64_resource (
 		buffer += 2;
 	}
 
-	/*
-	 * Get Granularity (Bytes 6-13) or (Bytes 8-15)
-	 */
+	/* Get Granularity (Bytes 6-13) or (Bytes 8-15) */
+
 	buffer += 1;
 	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.granularity, buffer);
 
-	/*
-	 * Get min_address_range (Bytes 14-21) or (Bytes 16-23)
-	 */
+	/* Get min_address_range (Bytes 14-21) or (Bytes 16-23) */
+
 	buffer += 8;
 	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.min_address_range, buffer);
 
-	/*
-	 * Get max_address_range (Bytes 22-29) or (Bytes 24-31)
-	 */
+	/* Get max_address_range (Bytes 22-29) or (Bytes 24-31) */
+
 	buffer += 8;
 	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.max_address_range, buffer);
 
-	/*
-	 * Get address_translation_offset (Bytes 30-37) or (Bytes 32-39)
-	 */
+	/* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) */
+
 	buffer += 8;
-	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset, buffer);
+	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset,
+		buffer);
+
+	/* Get address_length (Bytes 38-45) or (Bytes 40-47) */
 
-	/*
-	 * Get address_length (Bytes 38-45) or (Bytes 40-47)
-	 */
 	buffer += 8;
 	ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_length, buffer);
 
@@ -989,14 +930,15 @@ acpi_rs_address64_resource (
 		/* Get type_specific_attribute (Bytes 48-55) */
 
 		buffer += 8;
-		ACPI_MOVE_64_TO_64 (&output_struct->data.address64.type_specific_attributes, buffer);
+		ACPI_MOVE_64_TO_64 (
+			&output_struct->data.address64.type_specific_attributes,
+			buffer);
 	}
 	else {
 		output_struct->data.address64.type_specific_attributes = 0;
 
-		/*
-		 * Resource Source Index (if present)
-		 */
+		/* Resource Source Index (if present) */
+
 		buffer += 8;
 
 		/*
@@ -1025,7 +967,8 @@ acpi_rs_address64_resource (
 			output_struct->data.address64.resource_source.string_ptr =
 					(char *)((u8 *)output_struct + struct_size);
 
-			temp_ptr = (u8 *) output_struct->data.address64.resource_source.string_ptr;
+			temp_ptr = (u8 *)
+				output_struct->data.address64.resource_source.string_ptr;
 
 			/* Copy the string into the buffer */
 
@@ -1042,7 +985,8 @@ acpi_rs_address64_resource (
 			 * Add the terminating null
 			 */
 			*temp_ptr = 0x00;
-			output_struct->data.address64.resource_source.string_length = index + 1;
+			output_struct->data.address64.resource_source.string_length =
+				index + 1;
 
 			/*
 			 * In order for the struct_size to fall on a 32-bit boundary,
@@ -1054,14 +998,12 @@ acpi_rs_address64_resource (
 		}
 	}
 
-	/*
-	 * Set the Length parameter
-	 */
+	/* Set the Length parameter */
+
 	output_struct->length = (u32) struct_size;
 
-	/*
-	 * Return the final size of the structure
-	 */
+	/* Return the final size of the structure */
+
 	*structure_size = struct_size;
 	return_ACPI_STATUS (AE_OK);
 }
@@ -1100,29 +1042,25 @@ acpi_rs_address64_stream (
 
 	buffer = *output_buffer;
 
-	/*
-	 * The descriptor field is static
-	 */
+	/* The descriptor field is static */
+
 	*buffer = 0x8A;
 	buffer += 1;
 
-	/*
-	 * Set a pointer to the Length field - to be filled in later
-	 */
+	/* Set a pointer to the Length field - to be filled in later */
+
 	length_field = ACPI_CAST_PTR (u16, buffer);
 	buffer += 2;
 
-	/*
-	 * Set the Resource Type (Memory, Io, bus_number)
-	 */
+	/* Set the Resource Type (Memory, Io, bus_number) */
+
 	temp8 = (u8) (linked_list->data.address64.resource_type & 0x03);
 
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the general flags
-	 */
+	/* Set the general flags */
+
 	temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01);
 	temp8 |= (linked_list->data.address64.decode & 0x01) << 1;
 	temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2;
@@ -1131,9 +1069,8 @@ acpi_rs_address64_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the type specific flags
-	 */
+	/* Set the type specific flags */
+
 	temp8 = 0;
 
 	if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) {
@@ -1157,39 +1094,34 @@ acpi_rs_address64_stream (
 	*buffer = temp8;
 	buffer += 1;
 
-	/*
-	 * Set the address space granularity
-	 */
+	/* Set the address space granularity */
+
 	ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.granularity);
 	buffer += 8;
 
-	/*
-	 * Set the address range minimum
-	 */
+	/* Set the address range minimum */
+
 	ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.min_address_range);
 	buffer += 8;
 
-	/*
-	 * Set the address range maximum
-	 */
+	/* Set the address range maximum */
+
 	ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.max_address_range);
 	buffer += 8;
 
-	/*
-	 * Set the address translation offset
-	 */
-	ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_translation_offset);
+	/* Set the address translation offset */
+
+	ACPI_MOVE_64_TO_64 (buffer,
+		&linked_list->data.address64.address_translation_offset);
 	buffer += 8;
 
-	/*
-	 * Set the address length
-	 */
+	/* Set the address length */
+
 	ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_length);
 	buffer += 8;
 
-	/*
-	 * Resource Source Index and Resource Source are optional
-	 */
+	/* Resource Source Index and Resource Source are optional */
+
 	if (0 != linked_list->data.address64.resource_source.string_length) {
 		temp8 = (u8) linked_list->data.address64.resource_source.index;
 
@@ -1198,21 +1130,21 @@ acpi_rs_address64_stream (
 
 		temp_pointer = (char *) buffer;
 
-		/*
-		 * Copy the string
-		 */
-		ACPI_STRCPY (temp_pointer, linked_list->data.address64.resource_source.string_ptr);
+		/* Copy the string */
+
+		ACPI_STRCPY (temp_pointer,
+			linked_list->data.address64.resource_source.string_ptr);
 
 		/*
 		 * Buffer needs to be set to the length of the sting + one for the
 		 * terminating null
 		 */
-		buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address64.resource_source.string_ptr) + 1);
+		buffer += (acpi_size)(ACPI_STRLEN (
+				 linked_list->data.address64.resource_source.string_ptr) + 1);
 	}
 
-	/*
-	 * Return the number of bytes consumed in this operation
-	 */
+	/* Return the number of bytes consumed in this operation */
+
 	*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
 
 	/*

drivers/acpi/resources/rscalc.c

@@ -81,9 +81,8 @@ acpi_rs_get_byte_stream_length (
 
 
 	while (!done) {
-		/*
-		 * Init the variable that will hold the size to add to the total.
-		 */
+		/* Init the variable that will hold the size to add to the total. */
+
 		segment_size = 0;
 
 		switch (linked_list->id) {
@@ -196,7 +195,8 @@ acpi_rs_get_byte_stream_length (
 			segment_size = 16;
 
 			if (linked_list->data.address16.resource_source.string_ptr) {
-				segment_size += linked_list->data.address16.resource_source.string_length;
+				segment_size +=
+					linked_list->data.address16.resource_source.string_length;
 				segment_size++;
 			}
 			break;
@@ -212,7 +212,8 @@ acpi_rs_get_byte_stream_length (
 			segment_size = 26;
 
 			if (linked_list->data.address32.resource_source.string_ptr) {
-				segment_size += linked_list->data.address32.resource_source.string_length;
+				segment_size +=
+					linked_list->data.address32.resource_source.string_length;
 				segment_size++;
 			}
 			break;
@@ -227,7 +228,8 @@ acpi_rs_get_byte_stream_length (
 			segment_size = 46;
 
 			if (linked_list->data.address64.resource_source.string_ptr) {
-				segment_size += linked_list->data.address64.resource_source.string_length;
+				segment_size +=
+					linked_list->data.address64.resource_source.string_length;
 				segment_size++;
 			}
 			break;
@@ -241,38 +243,36 @@ acpi_rs_get_byte_stream_length (
 			 * Index + the length of the null terminated string
 			 * Resource Source + 1 for the null.
 			 */
-			segment_size = 9 +
-				(((acpi_size) linked_list->data.extended_irq.number_of_interrupts - 1) * 4);
+			segment_size = 9 + (((acpi_size)
+				linked_list->data.extended_irq.number_of_interrupts - 1) * 4);
 
 			if (linked_list->data.extended_irq.resource_source.string_ptr) {
-				segment_size += linked_list->data.extended_irq.resource_source.string_length;
+				segment_size +=
+					linked_list->data.extended_irq.resource_source.string_length;
 				segment_size++;
 			}
 			break;
 
 		default:
-			/*
-			 * If we get here, everything is out of sync, exit with error
-			 */
+
+			/* If we get here, everything is out of sync, exit with error */
+
 			return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
 
 		} /* switch (linked_list->Id) */
 
-		/*
-		 * Update the total
-		 */
+		/* Update the total */
+
 		byte_stream_size_needed += segment_size;
 
-		/*
-		 * Point to the next object
-		 */
+		/* Point to the next object */
+
 		linked_list = ACPI_PTR_ADD (struct acpi_resource,
 				  linked_list, linked_list->length);
 	}
 
-	/*
-	 * This is the data the caller needs
-	 */
+	/* This is the data the caller needs */
+
 	*size_needed = byte_stream_size_needed;
 	return_ACPI_STATUS (AE_OK);
 }
@@ -320,9 +320,8 @@ acpi_rs_get_list_length (
 
 
 	while (bytes_parsed < byte_stream_buffer_length) {
-		/*
-		 * The next byte in the stream is the resource type
-		 */
+		/* The next byte in the stream is the resource type */
+
 		resource_type = acpi_rs_get_resource_type (*byte_stream_buffer);
 
 		switch (resource_type) {
@@ -346,9 +345,8 @@ acpi_rs_get_list_length (
 			ACPI_MOVE_16_TO_16 (&temp16, buffer);
 			bytes_consumed = temp16 + 3;
 
-			/*
-			 * Ensure a 32-bit boundary for the structure
-			 */
+			/* Ensure a 32-bit boundary for the structure */
+
 			temp16 = (u16) ACPI_ROUND_UP_to_32_bITS (temp16);
 
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
@@ -416,9 +414,8 @@ acpi_rs_get_list_length (
 				temp8 = 0;
 			}
 
-			/*
-			 * Ensure a 64-bit boundary for the structure
-			 */
+			/* Ensure a 64-bit boundary for the structure */
+
 			temp8 = (u8) ACPI_ROUND_UP_to_64_bITS (temp8);
 
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64) +
@@ -452,9 +449,8 @@ acpi_rs_get_list_length (
 				temp8 = 0;
 			}
 
-			/*
-			 * Ensure a 32-bit boundary for the structure
-			 */
+			/* Ensure a 32-bit boundary for the structure */
+
 			temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
 
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32) +
@@ -488,9 +484,8 @@ acpi_rs_get_list_length (
 				temp8 = 0;
 			}
 
-			/*
-			 * Ensure a 32-bit boundary for the structure
-			 */
+			/* Ensure a 32-bit boundary for the structure */
+
 			temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
 
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16) +
@@ -537,9 +532,8 @@ acpi_rs_get_list_length (
 				temp8 = 0;
 			}
 
-			/*
-			 * Ensure a 32-bit boundary for the structure
-			 */
+			/* Ensure a 32-bit boundary for the structure */
+
 			temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
 
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq) +
@@ -567,9 +561,8 @@ acpi_rs_get_list_length (
 
 			++buffer;
 
-			/*
-			 * Look at the number of bits set
-			 */
+			/* Look at the number of bits set */
+
 			ACPI_MOVE_16_TO_16 (&temp16, buffer);
 
 			for (index = 0; index < 16; index++) {
@@ -596,9 +589,8 @@ acpi_rs_get_list_length (
 
 			++buffer;
 
-			/*
-			 * Look at the number of bits set
-			 */
+			/* Look at the number of bits set */
+
 			temp8 = *buffer;
 
 			for(index = 0; index < 8; index++) {
@@ -670,9 +662,8 @@ acpi_rs_get_list_length (
 			temp8 = (u8) (temp8 & 0x7);
 			bytes_consumed = temp8 + 1;
 
-			/*
-			 * Ensure a 32-bit boundary for the structure
-			 */
+			/* Ensure a 32-bit boundary for the structure */
+
 			temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
 			structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
 					   (temp8 * sizeof (u8));
@@ -697,21 +688,18 @@ acpi_rs_get_list_length (
 			return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
 		}
 
-		/*
-		 * Update the return value and counter
-		 */
+		/* Update the return value and counter */
+
 		buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE (structure_size);
 		bytes_parsed += bytes_consumed;
 
-		/*
-		 * Set the byte stream to point to the next resource
-		 */
+		/* Set the byte stream to point to the next resource */
+
 		byte_stream_buffer += bytes_consumed;
 	}
 
-	/*
-	 * This is the data the caller needs
-	 */
+	/* This is the data the caller needs */
+
 	*size_needed = buffer_size;
 	return_ACPI_STATUS (AE_OK);
 }
@@ -767,9 +755,8 @@ acpi_rs_get_pci_routing_table_length (
 	top_object_list = package_object->package.elements;
 
 	for (index = 0; index < number_of_elements; index++) {
-		/*
-		 * Dereference the sub-package
-		 */
+		/* Dereference the sub-package */
+
 		package_element = *top_object_list;
 
 		/*
@@ -778,37 +765,40 @@ acpi_rs_get_pci_routing_table_length (
 		 */
 		sub_object_list = package_element->package.elements;
 
-		/*
-		 * Scan the irq_table_elements for the Source Name String
-		 */
+		/* Scan the irq_table_elements for the Source Name String */
+
 		name_found = FALSE;
 
 		for (table_index = 0; table_index < 4 && !name_found; table_index++) {
-			if ((ACPI_TYPE_STRING == ACPI_GET_OBJECT_TYPE (*sub_object_list)) ||
-				((ACPI_TYPE_LOCAL_REFERENCE == ACPI_GET_OBJECT_TYPE (*sub_object_list)) &&
-					((*sub_object_list)->reference.opcode == AML_INT_NAMEPATH_OP))) {
+			if ((ACPI_TYPE_STRING ==
+					ACPI_GET_OBJECT_TYPE (*sub_object_list)) ||
+
+				((ACPI_TYPE_LOCAL_REFERENCE ==
+					ACPI_GET_OBJECT_TYPE (*sub_object_list)) &&
+
+					((*sub_object_list)->reference.opcode ==
+						AML_INT_NAMEPATH_OP))) {
 				name_found = TRUE;
 			}
 			else {
-				/*
-				 * Look at the next element
-				 */
+				/* Look at the next element */
+
 				sub_object_list++;
 			}
 		}
 
 		temp_size_needed += (sizeof (struct acpi_pci_routing_table) - 4);
 
-		/*
-		 * Was a String type found?
-		 */
+		/* Was a String type found? */
+
 		if (name_found) {
 			if (ACPI_GET_OBJECT_TYPE (*sub_object_list) == ACPI_TYPE_STRING) {
 				/*
 				 * The length String.Length field does not include the
 				 * terminating NULL, add 1
 				 */
-				temp_size_needed += ((acpi_size) (*sub_object_list)->string.length + 1);
+				temp_size_needed += ((acpi_size)
+					(*sub_object_list)->string.length + 1);
 			}
 			else {
 				temp_size_needed += acpi_ns_get_pathname_length (
@@ -827,14 +817,14 @@ acpi_rs_get_pci_routing_table_length (
 
 		temp_size_needed = ACPI_ROUND_UP_to_64_bITS (temp_size_needed);
 
-		/*
-		 * Point to the next union acpi_operand_object
-		 */
+		/* Point to the next union acpi_operand_object */
+
 		top_object_list++;
 	}
 
 	/*
-	 * Adding an extra element to the end of the list, essentially a NULL terminator
+	 * Adding an extra element to the end of the list, essentially a
+	 * NULL terminator
 	 */
 	*buffer_size_needed = temp_size_needed + sizeof (struct acpi_pci_routing_table);
 	return_ACPI_STATUS (AE_OK);