|
@@ -30,12 +30,12 @@
|
|
|
#include <linux/slab.h>
|
|
|
#include <linux/string.h>
|
|
|
#include <linux/delay.h>
|
|
|
+#include <linux/timex.h>
|
|
|
+#include <linux/io.h>
|
|
|
+#include <linux/acpi.h>
|
|
|
+#include <linux/kernel.h>
|
|
|
|
|
|
#include <asm/msr.h>
|
|
|
-#include <asm/timex.h>
|
|
|
-#include <asm/io.h>
|
|
|
-#include <asm/acpi.h>
|
|
|
-#include <linux/acpi.h>
|
|
|
#include <acpi/processor.h>
|
|
|
|
|
|
#include "longhaul.h"
|
|
@@ -58,7 +58,7 @@
|
|
|
#define USE_NORTHBRIDGE (1 << 2)
|
|
|
|
|
|
static int cpu_model;
|
|
|
-static unsigned int numscales=16;
|
|
|
+static unsigned int numscales = 16;
|
|
|
static unsigned int fsb;
|
|
|
|
|
|
static const struct mV_pos *vrm_mV_table;
|
|
@@ -67,8 +67,8 @@ static const unsigned char *mV_vrm_table;
|
|
|
static unsigned int highest_speed, lowest_speed; /* kHz */
|
|
|
static unsigned int minmult, maxmult;
|
|
|
static int can_scale_voltage;
|
|
|
-static struct acpi_processor *pr = NULL;
|
|
|
-static struct acpi_processor_cx *cx = NULL;
|
|
|
+static struct acpi_processor *pr;
|
|
|
+static struct acpi_processor_cx *cx;
|
|
|
static u32 acpi_regs_addr;
|
|
|
static u8 longhaul_flags;
|
|
|
static unsigned int longhaul_index;
|
|
@@ -78,12 +78,13 @@ static int scale_voltage;
|
|
|
static int disable_acpi_c3;
|
|
|
static int revid_errata;
|
|
|
|
|
|
-#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "longhaul", msg)
|
|
|
+#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
|
|
|
+ "longhaul", msg)
|
|
|
|
|
|
|
|
|
/* Clock ratios multiplied by 10 */
|
|
|
-static int clock_ratio[32];
|
|
|
-static int eblcr_table[32];
|
|
|
+static int mults[32];
|
|
|
+static int eblcr[32];
|
|
|
static int longhaul_version;
|
|
|
static struct cpufreq_frequency_table *longhaul_table;
|
|
|
|
|
@@ -93,7 +94,7 @@ static char speedbuffer[8];
|
|
|
static char *print_speed(int speed)
|
|
|
{
|
|
|
if (speed < 1000) {
|
|
|
- snprintf(speedbuffer, sizeof(speedbuffer),"%dMHz", speed);
|
|
|
+ snprintf(speedbuffer, sizeof(speedbuffer), "%dMHz", speed);
|
|
|
return speedbuffer;
|
|
|
}
|
|
|
|
|
@@ -122,27 +123,28 @@ static unsigned int calc_speed(int mult)
|
|
|
|
|
|
static int longhaul_get_cpu_mult(void)
|
|
|
{
|
|
|
- unsigned long invalue=0,lo, hi;
|
|
|
+ unsigned long invalue = 0, lo, hi;
|
|
|
|
|
|
- rdmsr (MSR_IA32_EBL_CR_POWERON, lo, hi);
|
|
|
- invalue = (lo & (1<<22|1<<23|1<<24|1<<25)) >>22;
|
|
|
- if (longhaul_version==TYPE_LONGHAUL_V2 || longhaul_version==TYPE_POWERSAVER) {
|
|
|
+ rdmsr(MSR_IA32_EBL_CR_POWERON, lo, hi);
|
|
|
+ invalue = (lo & (1<<22|1<<23|1<<24|1<<25))>>22;
|
|
|
+ if (longhaul_version == TYPE_LONGHAUL_V2 ||
|
|
|
+ longhaul_version == TYPE_POWERSAVER) {
|
|
|
if (lo & (1<<27))
|
|
|
- invalue+=16;
|
|
|
+ invalue += 16;
|
|
|
}
|
|
|
- return eblcr_table[invalue];
|
|
|
+ return eblcr[invalue];
|
|
|
}
|
|
|
|
|
|
/* For processor with BCR2 MSR */
|
|
|
|
|
|
-static void do_longhaul1(unsigned int clock_ratio_index)
|
|
|
+static void do_longhaul1(unsigned int mults_index)
|
|
|
{
|
|
|
union msr_bcr2 bcr2;
|
|
|
|
|
|
rdmsrl(MSR_VIA_BCR2, bcr2.val);
|
|
|
/* Enable software clock multiplier */
|
|
|
bcr2.bits.ESOFTBF = 1;
|
|
|
- bcr2.bits.CLOCKMUL = clock_ratio_index & 0xff;
|
|
|
+ bcr2.bits.CLOCKMUL = mults_index & 0xff;
|
|
|
|
|
|
/* Sync to timer tick */
|
|
|
safe_halt();
|
|
@@ -161,7 +163,7 @@ static void do_longhaul1(unsigned int clock_ratio_index)
|
|
|
|
|
|
/* For processor with Longhaul MSR */
|
|
|
|
|
|
-static void do_powersaver(int cx_address, unsigned int clock_ratio_index,
|
|
|
+static void do_powersaver(int cx_address, unsigned int mults_index,
|
|
|
unsigned int dir)
|
|
|
{
|
|
|
union msr_longhaul longhaul;
|
|
@@ -173,11 +175,11 @@ static void do_powersaver(int cx_address, unsigned int clock_ratio_index,
|
|
|
longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
|
|
|
else
|
|
|
longhaul.bits.RevisionKey = 0;
|
|
|
- longhaul.bits.SoftBusRatio = clock_ratio_index & 0xf;
|
|
|
- longhaul.bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
|
|
|
+ longhaul.bits.SoftBusRatio = mults_index & 0xf;
|
|
|
+ longhaul.bits.SoftBusRatio4 = (mults_index & 0x10) >> 4;
|
|
|
/* Setup new voltage */
|
|
|
if (can_scale_voltage)
|
|
|
- longhaul.bits.SoftVID = (clock_ratio_index >> 8) & 0x1f;
|
|
|
+ longhaul.bits.SoftVID = (mults_index >> 8) & 0x1f;
|
|
|
/* Sync to timer tick */
|
|
|
safe_halt();
|
|
|
/* Raise voltage if necessary */
|
|
@@ -240,14 +242,14 @@ static void do_powersaver(int cx_address, unsigned int clock_ratio_index,
|
|
|
|
|
|
/**
|
|
|
* longhaul_set_cpu_frequency()
|
|
|
- * @clock_ratio_index : bitpattern of the new multiplier.
|
|
|
+ * @mults_index : bitpattern of the new multiplier.
|
|
|
*
|
|
|
* Sets a new clock ratio.
|
|
|
*/
|
|
|
|
|
|
static void longhaul_setstate(unsigned int table_index)
|
|
|
{
|
|
|
- unsigned int clock_ratio_index;
|
|
|
+ unsigned int mults_index;
|
|
|
int speed, mult;
|
|
|
struct cpufreq_freqs freqs;
|
|
|
unsigned long flags;
|
|
@@ -256,9 +258,9 @@ static void longhaul_setstate(unsigned int table_index)
|
|
|
u32 bm_timeout = 1000;
|
|
|
unsigned int dir = 0;
|
|
|
|
|
|
- clock_ratio_index = longhaul_table[table_index].index;
|
|
|
+ mults_index = longhaul_table[table_index].index;
|
|
|
/* Safety precautions */
|
|
|
- mult = clock_ratio[clock_ratio_index & 0x1f];
|
|
|
+ mult = mults[mults_index & 0x1f];
|
|
|
if (mult == -1)
|
|
|
return;
|
|
|
speed = calc_speed(mult);
|
|
@@ -274,7 +276,7 @@ static void longhaul_setstate(unsigned int table_index)
|
|
|
|
|
|
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
|
|
|
|
|
|
- dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
|
|
|
+ dprintk("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
|
|
|
fsb, mult/10, mult%10, print_speed(speed/1000));
|
|
|
retry_loop:
|
|
|
preempt_disable();
|
|
@@ -282,8 +284,8 @@ retry_loop:
|
|
|
|
|
|
pic2_mask = inb(0xA1);
|
|
|
pic1_mask = inb(0x21); /* works on C3. save mask. */
|
|
|
- outb(0xFF,0xA1); /* Overkill */
|
|
|
- outb(0xFE,0x21); /* TMR0 only */
|
|
|
+ outb(0xFF, 0xA1); /* Overkill */
|
|
|
+ outb(0xFE, 0x21); /* TMR0 only */
|
|
|
|
|
|
/* Wait while PCI bus is busy. */
|
|
|
if (acpi_regs_addr && (longhaul_flags & USE_NORTHBRIDGE
|
|
@@ -312,7 +314,7 @@ retry_loop:
|
|
|
* Software controlled multipliers only.
|
|
|
*/
|
|
|
case TYPE_LONGHAUL_V1:
|
|
|
- do_longhaul1(clock_ratio_index);
|
|
|
+ do_longhaul1(mults_index);
|
|
|
break;
|
|
|
|
|
|
/*
|
|
@@ -327,9 +329,9 @@ retry_loop:
|
|
|
if (longhaul_flags & USE_ACPI_C3) {
|
|
|
/* Don't allow wakeup */
|
|
|
acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
|
|
|
- do_powersaver(cx->address, clock_ratio_index, dir);
|
|
|
+ do_powersaver(cx->address, mults_index, dir);
|
|
|
} else {
|
|
|
- do_powersaver(0, clock_ratio_index, dir);
|
|
|
+ do_powersaver(0, mults_index, dir);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
@@ -341,8 +343,8 @@ retry_loop:
|
|
|
/* Enable bus master arbitration */
|
|
|
acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
|
|
|
}
|
|
|
- outb(pic2_mask,0xA1); /* restore mask */
|
|
|
- outb(pic1_mask,0x21);
|
|
|
+ outb(pic2_mask, 0xA1); /* restore mask */
|
|
|
+ outb(pic1_mask, 0x21);
|
|
|
|
|
|
local_irq_restore(flags);
|
|
|
preempt_enable();
|
|
@@ -392,7 +394,8 @@ retry_loop:
|
|
|
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
|
|
|
|
|
|
if (!bm_timeout)
|
|
|
- printk(KERN_INFO PFX "Warning: Timeout while waiting for idle PCI bus.\n");
|
|
|
+ printk(KERN_INFO PFX "Warning: Timeout while waiting for "
|
|
|
+ "idle PCI bus.\n");
|
|
|
}
|
|
|
|
|
|
/*
|
|
@@ -458,31 +461,32 @@ static int __init longhaul_get_ranges(void)
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
- dprintk ("MinMult:%d.%dx MaxMult:%d.%dx\n",
|
|
|
+ dprintk("MinMult:%d.%dx MaxMult:%d.%dx\n",
|
|
|
minmult/10, minmult%10, maxmult/10, maxmult%10);
|
|
|
|
|
|
highest_speed = calc_speed(maxmult);
|
|
|
lowest_speed = calc_speed(minmult);
|
|
|
- dprintk ("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb,
|
|
|
+ dprintk("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb,
|
|
|
print_speed(lowest_speed/1000),
|
|
|
print_speed(highest_speed/1000));
|
|
|
|
|
|
if (lowest_speed == highest_speed) {
|
|
|
- printk (KERN_INFO PFX "highestspeed == lowest, aborting.\n");
|
|
|
+ printk(KERN_INFO PFX "highestspeed == lowest, aborting.\n");
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
if (lowest_speed > highest_speed) {
|
|
|
- printk (KERN_INFO PFX "nonsense! lowest (%d > %d) !\n",
|
|
|
+ printk(KERN_INFO PFX "nonsense! lowest (%d > %d) !\n",
|
|
|
lowest_speed, highest_speed);
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
- longhaul_table = kmalloc((numscales + 1) * sizeof(struct cpufreq_frequency_table), GFP_KERNEL);
|
|
|
- if(!longhaul_table)
|
|
|
+ longhaul_table = kmalloc((numscales + 1) * sizeof(*longhaul_table),
|
|
|
+ GFP_KERNEL);
|
|
|
+ if (!longhaul_table)
|
|
|
return -ENOMEM;
|
|
|
|
|
|
for (j = 0; j < numscales; j++) {
|
|
|
- ratio = clock_ratio[j];
|
|
|
+ ratio = mults[j];
|
|
|
if (ratio == -1)
|
|
|
continue;
|
|
|
if (ratio > maxmult || ratio < minmult)
|
|
@@ -521,7 +525,7 @@ static int __init longhaul_get_ranges(void)
|
|
|
|
|
|
/* Find index we are running on */
|
|
|
for (j = 0; j < k; j++) {
|
|
|
- if (clock_ratio[longhaul_table[j].index & 0x1f] == mult) {
|
|
|
+ if (mults[longhaul_table[j].index & 0x1f] == mult) {
|
|
|
longhaul_index = j;
|
|
|
break;
|
|
|
}
|
|
@@ -559,20 +563,22 @@ static void __init longhaul_setup_voltagescaling(void)
|
|
|
maxvid = vrm_mV_table[longhaul.bits.MaximumVID];
|
|
|
|
|
|
if (minvid.mV == 0 || maxvid.mV == 0 || minvid.mV > maxvid.mV) {
|
|
|
- printk (KERN_INFO PFX "Bogus values Min:%d.%03d Max:%d.%03d. "
|
|
|
+ printk(KERN_INFO PFX "Bogus values Min:%d.%03d Max:%d.%03d. "
|
|
|
"Voltage scaling disabled.\n",
|
|
|
- minvid.mV/1000, minvid.mV%1000, maxvid.mV/1000, maxvid.mV%1000);
|
|
|
+ minvid.mV/1000, minvid.mV%1000,
|
|
|
+ maxvid.mV/1000, maxvid.mV%1000);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (minvid.mV == maxvid.mV) {
|
|
|
- printk (KERN_INFO PFX "Claims to support voltage scaling but min & max are "
|
|
|
- "both %d.%03d. Voltage scaling disabled\n",
|
|
|
+ printk(KERN_INFO PFX "Claims to support voltage scaling but "
|
|
|
+ "min & max are both %d.%03d. "
|
|
|
+ "Voltage scaling disabled\n",
|
|
|
maxvid.mV/1000, maxvid.mV%1000);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- /* How many voltage steps */
|
|
|
+ /* How many voltage steps*/
|
|
|
numvscales = maxvid.pos - minvid.pos + 1;
|
|
|
printk(KERN_INFO PFX
|
|
|
"Max VID=%d.%03d "
|
|
@@ -586,7 +592,7 @@ static void __init longhaul_setup_voltagescaling(void)
|
|
|
j = longhaul.bits.MinMHzBR;
|
|
|
if (longhaul.bits.MinMHzBR4)
|
|
|
j += 16;
|
|
|
- min_vid_speed = eblcr_table[j];
|
|
|
+ min_vid_speed = eblcr[j];
|
|
|
if (min_vid_speed == -1)
|
|
|
return;
|
|
|
switch (longhaul.bits.MinMHzFSB) {
|
|
@@ -617,7 +623,8 @@ static void __init longhaul_setup_voltagescaling(void)
|
|
|
pos = minvid.pos;
|
|
|
longhaul_table[j].index |= mV_vrm_table[pos] << 8;
|
|
|
vid = vrm_mV_table[mV_vrm_table[pos]];
|
|
|
- printk(KERN_INFO PFX "f: %d kHz, index: %d, vid: %d mV\n", speed, j, vid.mV);
|
|
|
+ printk(KERN_INFO PFX "f: %d kHz, index: %d, vid: %d mV\n",
|
|
|
+ speed, j, vid.mV);
|
|
|
j++;
|
|
|
}
|
|
|
|
|
@@ -640,7 +647,8 @@ static int longhaul_target(struct cpufreq_policy *policy,
|
|
|
unsigned int dir = 0;
|
|
|
u8 vid, current_vid;
|
|
|
|
|
|
- if (cpufreq_frequency_table_target(policy, longhaul_table, target_freq, relation, &table_index))
|
|
|
+ if (cpufreq_frequency_table_target(policy, longhaul_table, target_freq,
|
|
|
+ relation, &table_index))
|
|
|
return -EINVAL;
|
|
|
|
|
|
/* Don't set same frequency again */
|
|
@@ -656,7 +664,8 @@ static int longhaul_target(struct cpufreq_policy *policy,
|
|
|
* this in hardware, C3 is old and we need to do this
|
|
|
* in software. */
|
|
|
i = longhaul_index;
|
|
|
- current_vid = (longhaul_table[longhaul_index].index >> 8) & 0x1f;
|
|
|
+ current_vid = (longhaul_table[longhaul_index].index >> 8);
|
|
|
+ current_vid &= 0x1f;
|
|
|
if (table_index > longhaul_index)
|
|
|
dir = 1;
|
|
|
while (i != table_index) {
|
|
@@ -691,9 +700,9 @@ static acpi_status longhaul_walk_callback(acpi_handle obj_handle,
|
|
|
{
|
|
|
struct acpi_device *d;
|
|
|
|
|
|
- if ( acpi_bus_get_device(obj_handle, &d) ) {
|
|
|
+ if (acpi_bus_get_device(obj_handle, &d))
|
|
|
return 0;
|
|
|
- }
|
|
|
+
|
|
|
*return_value = acpi_driver_data(d);
|
|
|
return 1;
|
|
|
}
|
|
@@ -750,7 +759,7 @@ static int longhaul_setup_southbridge(void)
|
|
|
/* Find VT8235 southbridge */
|
|
|
dev = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, NULL);
|
|
|
if (dev == NULL)
|
|
|
- /* Find VT8237 southbridge */
|
|
|
+ /* Find VT8237 southbridge */
|
|
|
dev = pci_get_device(PCI_VENDOR_ID_VIA,
|
|
|
PCI_DEVICE_ID_VIA_8237, NULL);
|
|
|
if (dev != NULL) {
|
|
@@ -769,7 +778,8 @@ static int longhaul_setup_southbridge(void)
|
|
|
if (pci_cmd & 1 << 7) {
|
|
|
pci_read_config_dword(dev, 0x88, &acpi_regs_addr);
|
|
|
acpi_regs_addr &= 0xff00;
|
|
|
- printk(KERN_INFO PFX "ACPI I/O at 0x%x\n", acpi_regs_addr);
|
|
|
+ printk(KERN_INFO PFX "ACPI I/O at 0x%x\n",
|
|
|
+ acpi_regs_addr);
|
|
|
}
|
|
|
|
|
|
pci_dev_put(dev);
|
|
@@ -781,7 +791,7 @@ static int longhaul_setup_southbridge(void)
|
|
|
static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
{
|
|
|
struct cpuinfo_x86 *c = &cpu_data(0);
|
|
|
- char *cpuname=NULL;
|
|
|
+ char *cpuname = NULL;
|
|
|
int ret;
|
|
|
u32 lo, hi;
|
|
|
|
|
@@ -791,8 +801,8 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
cpu_model = CPU_SAMUEL;
|
|
|
cpuname = "C3 'Samuel' [C5A]";
|
|
|
longhaul_version = TYPE_LONGHAUL_V1;
|
|
|
- memcpy (clock_ratio, samuel1_clock_ratio, sizeof(samuel1_clock_ratio));
|
|
|
- memcpy (eblcr_table, samuel1_eblcr, sizeof(samuel1_eblcr));
|
|
|
+ memcpy(mults, samuel1_mults, sizeof(samuel1_mults));
|
|
|
+ memcpy(eblcr, samuel1_eblcr, sizeof(samuel1_eblcr));
|
|
|
break;
|
|
|
|
|
|
case 7:
|
|
@@ -803,10 +813,8 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
cpuname = "C3 'Samuel 2' [C5B]";
|
|
|
/* Note, this is not a typo, early Samuel2's had
|
|
|
* Samuel1 ratios. */
|
|
|
- memcpy(clock_ratio, samuel1_clock_ratio,
|
|
|
- sizeof(samuel1_clock_ratio));
|
|
|
- memcpy(eblcr_table, samuel2_eblcr,
|
|
|
- sizeof(samuel2_eblcr));
|
|
|
+ memcpy(mults, samuel1_mults, sizeof(samuel1_mults));
|
|
|
+ memcpy(eblcr, samuel2_eblcr, sizeof(samuel2_eblcr));
|
|
|
break;
|
|
|
case 1 ... 15:
|
|
|
longhaul_version = TYPE_LONGHAUL_V1;
|
|
@@ -817,10 +825,8 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
cpu_model = CPU_EZRA;
|
|
|
cpuname = "C3 'Ezra' [C5C]";
|
|
|
}
|
|
|
- memcpy(clock_ratio, ezra_clock_ratio,
|
|
|
- sizeof(ezra_clock_ratio));
|
|
|
- memcpy(eblcr_table, ezra_eblcr,
|
|
|
- sizeof(ezra_eblcr));
|
|
|
+ memcpy(mults, ezra_mults, sizeof(ezra_mults));
|
|
|
+ memcpy(eblcr, ezra_eblcr, sizeof(ezra_eblcr));
|
|
|
break;
|
|
|
}
|
|
|
break;
|
|
@@ -829,18 +835,16 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
cpu_model = CPU_EZRA_T;
|
|
|
cpuname = "C3 'Ezra-T' [C5M]";
|
|
|
longhaul_version = TYPE_POWERSAVER;
|
|
|
- numscales=32;
|
|
|
- memcpy (clock_ratio, ezrat_clock_ratio, sizeof(ezrat_clock_ratio));
|
|
|
- memcpy (eblcr_table, ezrat_eblcr, sizeof(ezrat_eblcr));
|
|
|
+ numscales = 32;
|
|
|
+ memcpy(mults, ezrat_mults, sizeof(ezrat_mults));
|
|
|
+ memcpy(eblcr, ezrat_eblcr, sizeof(ezrat_eblcr));
|
|
|
break;
|
|
|
|
|
|
case 9:
|
|
|
longhaul_version = TYPE_POWERSAVER;
|
|
|
numscales = 32;
|
|
|
- memcpy(clock_ratio,
|
|
|
- nehemiah_clock_ratio,
|
|
|
- sizeof(nehemiah_clock_ratio));
|
|
|
- memcpy(eblcr_table, nehemiah_eblcr, sizeof(nehemiah_eblcr));
|
|
|
+ memcpy(mults, nehemiah_mults, sizeof(nehemiah_mults));
|
|
|
+ memcpy(eblcr, nehemiah_eblcr, sizeof(nehemiah_eblcr));
|
|
|
switch (c->x86_mask) {
|
|
|
case 0 ... 1:
|
|
|
cpu_model = CPU_NEHEMIAH;
|
|
@@ -869,14 +873,14 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
|
|
|
longhaul_version = TYPE_LONGHAUL_V1;
|
|
|
}
|
|
|
|
|
|
- printk (KERN_INFO PFX "VIA %s CPU detected. ", cpuname);
|
|
|
+ printk(KERN_INFO PFX "VIA %s CPU detected. ", cpuname);
|
|
|
switch (longhaul_version) {
|
|
|
case TYPE_LONGHAUL_V1:
|
|
|
case TYPE_LONGHAUL_V2:
|
|
|
- printk ("Longhaul v%d supported.\n", longhaul_version);
|
|
|
+ printk(KERN_CONT "Longhaul v%d supported.\n", longhaul_version);
|
|
|
break;
|
|
|
case TYPE_POWERSAVER:
|
|
|
- printk ("Powersaver supported.\n");
|
|
|
+ printk(KERN_CONT "Powersaver supported.\n");
|
|
|
break;
|
|
|
};
|
|
|
|
|
@@ -940,7 +944,7 @@ static int __devexit longhaul_cpu_exit(struct cpufreq_policy *policy)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static struct freq_attr* longhaul_attr[] = {
|
|
|
+static struct freq_attr *longhaul_attr[] = {
|
|
|
&cpufreq_freq_attr_scaling_available_freqs,
|
|
|
NULL,
|
|
|
};
|
|
@@ -966,13 +970,15 @@ static int __init longhaul_init(void)
|
|
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
if (num_online_cpus() > 1) {
|
|
|
- printk(KERN_ERR PFX "More than 1 CPU detected, longhaul disabled.\n");
|
|
|
+ printk(KERN_ERR PFX "More than 1 CPU detected, "
|
|
|
+ "longhaul disabled.\n");
|
|
|
return -ENODEV;
|
|
|
}
|
|
|
#endif
|
|
|
#ifdef CONFIG_X86_IO_APIC
|
|
|
if (cpu_has_apic) {
|
|
|
- printk(KERN_ERR PFX "APIC detected. Longhaul is currently broken in this configuration.\n");
|
|
|
+ printk(KERN_ERR PFX "APIC detected. Longhaul is currently "
|
|
|
+ "broken in this configuration.\n");
|
|
|
return -ENODEV;
|
|
|
}
|
|
|
#endif
|
|
@@ -993,8 +999,8 @@ static void __exit longhaul_exit(void)
|
|
|
{
|
|
|
int i;
|
|
|
|
|
|
- for (i=0; i < numscales; i++) {
|
|
|
- if (clock_ratio[i] == maxmult) {
|
|
|
+ for (i = 0; i < numscales; i++) {
|
|
|
+ if (mults[i] == maxmult) {
|
|
|
longhaul_setstate(i);
|
|
|
break;
|
|
|
}
|
|
@@ -1007,11 +1013,11 @@ static void __exit longhaul_exit(void)
|
|
|
/* Even if BIOS is exporting ACPI C3 state, and it is used
|
|
|
* with success when CPU is idle, this state doesn't
|
|
|
* trigger frequency transition in some cases. */
|
|
|
-module_param (disable_acpi_c3, int, 0644);
|
|
|
+module_param(disable_acpi_c3, int, 0644);
|
|
|
MODULE_PARM_DESC(disable_acpi_c3, "Don't use ACPI C3 support");
|
|
|
/* Change CPU voltage with frequency. Very usefull to save
|
|
|
* power, but most VIA C3 processors aren't supporting it. */
|
|
|
-module_param (scale_voltage, int, 0644);
|
|
|
+module_param(scale_voltage, int, 0644);
|
|
|
MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
|
|
|
/* Force revision key to 0 for processors which doesn't
|
|
|
* support voltage scaling, but are introducing itself as
|
|
@@ -1019,9 +1025,9 @@ MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
|
|
|
module_param(revid_errata, int, 0644);
|
|
|
MODULE_PARM_DESC(revid_errata, "Ignore CPU Revision ID");
|
|
|
|
|
|
-MODULE_AUTHOR ("Dave Jones <davej@redhat.com>");
|
|
|
-MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors.");
|
|
|
-MODULE_LICENSE ("GPL");
|
|
|
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
|
|
|
+MODULE_DESCRIPTION("Longhaul driver for VIA Cyrix processors.");
|
|
|
+MODULE_LICENSE("GPL");
|
|
|
|
|
|
late_initcall(longhaul_init);
|
|
|
module_exit(longhaul_exit);
|