Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  [WATCHDOG] iTCO_wdt.c ICH8 pci-device-id's
  [WATCHDOG] iTCO_wdt.c init & exit fixes
  [WATCHDOG] iTCO_wdt.c pci_device_id table clean-up
  [WATCHDOG] spin_lock_init() fixes
  [WATCHDOG] Unlock in iTCO_wdt_start when reboot is disabled
  [WATCHDOG] Add necessary braces to if (...) \n #if... cases
  [WATCHDOG] trivial fix two returns in void functions

drivers/watchdog/alim1535_wdt.c

@@ -31,7 +31,7 @@ static unsigned long ali_is_open;
 static char ali_expect_release;
 static struct pci_dev *ali_pci;
 static u32 ali_timeout_bits;	/* stores the computed timeout */
-static spinlock_t ali_lock;	/* Guards the hardware */
+static DEFINE_SPINLOCK(ali_lock);	/* Guards the hardware */
 
 /* module parameters */
 static int timeout = WATCHDOG_TIMEOUT;
@@ -398,8 +398,6 @@ static int __init watchdog_init(void)
 {
 	int ret;
 
-	spin_lock_init(&ali_lock);
-
 	/* Check whether or not the hardware watchdog is there */
 	if (ali_find_watchdog() != 0) {
 		return -ENODEV;

drivers/watchdog/davinci_wdt.c

@@ -61,7 +61,7 @@
 
 static int heartbeat = DEFAULT_HEARTBEAT;
 
-static spinlock_t io_lock;
+static DEFINE_SPINLOCK(io_lock);
 static unsigned long wdt_status;
 #define WDT_IN_USE        0
 #define WDT_OK_TO_CLOSE   1
@@ -200,8 +200,6 @@ static int davinci_wdt_probe(struct platform_device *pdev)
 	int ret = 0, size;
 	struct resource *res;
 
-	spin_lock_init(&io_lock);
-
 	if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
 		heartbeat = DEFAULT_HEARTBEAT;
 
@@ -262,7 +260,7 @@ static int __init davinci_wdt_init(void)
 
 static void __exit davinci_wdt_exit(void)
 {
-	return platform_driver_unregister(&platform_wdt_driver);
+	platform_driver_unregister(&platform_wdt_driver);
 }
 
 module_init(davinci_wdt_init);

drivers/watchdog/i6300esb.c

@@ -77,7 +77,7 @@
 
 /* internal variables */
 static void __iomem *BASEADDR;
-static spinlock_t esb_lock; /* Guards the hardware */
+static DEFINE_SPINLOCK(esb_lock); /* Guards the hardware */
 static unsigned long timer_alive;
 static struct pci_dev *esb_pci;
 static unsigned short triggered; /* The status of the watchdog upon boot */
@@ -456,8 +456,6 @@ static int __init watchdog_init (void)
 {
         int ret;
 
-        spin_lock_init(&esb_lock);
-
         /* Check whether or not the hardware watchdog is there */
         if (!esb_getdevice () || esb_pci == NULL)
                 return -ENODEV;

drivers/watchdog/iTCO_wdt.c

@@ -35,10 +35,12 @@
  *	82801GDH (ICH7DH)    : document number 307013-002, 307014-009,
  *	82801GBM (ICH7-M)    : document number 307013-002, 307014-009,
  *	82801GHM (ICH7-M DH) : document number 307013-002, 307014-009,
- *	82801HB  (ICH8)      : document number 313056-002, 313057-004,
- *	82801HR  (ICH8R)     : document number 313056-002, 313057-004,
- *	82801HH  (ICH8DH)    : document number 313056-002, 313057-004,
- *	82801HO  (ICH8DO)    : document number 313056-002, 313057-004,
+ *	82801HB  (ICH8)      : document number 313056-003, 313057-009,
+ *	82801HR  (ICH8R)     : document number 313056-003, 313057-009,
+ *	82801HBM (ICH8M)     : document number 313056-003, 313057-009,
+ *	82801HH  (ICH8DH)    : document number 313056-003, 313057-009,
+ *	82801HO  (ICH8DO)    : document number 313056-003, 313057-009,
+ *	82801HEM (ICH8M-E)   : document number 313056-003, 313057-009,
  *	82801IB  (ICH9)      : document number 316972-001, 316973-001,
  *	82801IR  (ICH9R)     : document number 316972-001, 316973-001,
  *	82801IH  (ICH9DH)    : document number 316972-001, 316973-001,
@@ -95,8 +97,10 @@ enum iTCO_chipsets {
 	TCO_ICH7M,	/* ICH7-M */
 	TCO_ICH7MDH,	/* ICH7-M DH */
 	TCO_ICH8,	/* ICH8 & ICH8R */
+	TCO_ICH8ME,	/* ICH8M-E */
 	TCO_ICH8DH,	/* ICH8DH */
 	TCO_ICH8DO,	/* ICH8DO */
+	TCO_ICH8M,	/* ICH8M */
 	TCO_ICH9,	/* ICH9 */
 	TCO_ICH9R,	/* ICH9R */
 	TCO_ICH9DH,	/* ICH9DH */
@@ -125,8 +129,10 @@ static struct {
 	{"ICH7-M", 2},
 	{"ICH7-M DH", 2},
 	{"ICH8 or ICH8R", 2},
+	{"ICH8M-E", 2},
 	{"ICH8DH", 2},
 	{"ICH8DO", 2},
+	{"ICH8M", 2},
 	{"ICH9", 2},
 	{"ICH9R", 2},
 	{"ICH9DH", 2},
@@ -134,6 +140,15 @@ static struct {
 	{NULL,0}
 };
 
+#define ITCO_PCI_DEVICE(dev, data) 	\
+	.vendor = PCI_VENDOR_ID_INTEL,	\
+	.device = dev,			\
+	.subvendor = PCI_ANY_ID,	\
+	.subdevice = PCI_ANY_ID,	\
+	.class = 0,			\
+	.class_mask = 0,		\
+	.driver_data = data
+
 /*
  * This data only exists for exporting the supported PCI ids
  * via MODULE_DEVICE_TABLE.  We do not actually register a
@@ -141,45 +156,47 @@ static struct {
  * functions that probably will be registered by other drivers.
  */
 static struct pci_device_id iTCO_wdt_pci_tbl[] = {
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH     },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH0    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH2    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH2M   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH3    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH3M   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH4    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH4M   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_CICH    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH5    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_6300ESB },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH6    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH6M   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH6W   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7M   },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7MDH },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DH  },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DO  },
-	{ PCI_VENDOR_ID_INTEL, 0x2918,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH9    },
-	{ PCI_VENDOR_ID_INTEL, 0x2916,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH9R    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH9DH    },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_0,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2671,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2672,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2673,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2674,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2675,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2676,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2677,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2678,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x2679,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267a,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267b,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267c,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267d,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267e,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
-	{ PCI_VENDOR_ID_INTEL, 0x267f,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_631XESB },
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AA_0,	TCO_ICH    )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AB_0,	TCO_ICH0   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_0,	TCO_ICH2   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_10,	TCO_ICH2M  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_0,	TCO_ICH3   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_12,	TCO_ICH3M  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_0,	TCO_ICH4   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_12,	TCO_ICH4M  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801E_0,		TCO_CICH   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801EB_0,	TCO_ICH5   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB_1,		TCO_6300ESB)},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0,		TCO_ICH6   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1,		TCO_ICH6M  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2,		TCO_ICH6W  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0,		TCO_ICH7   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1,		TCO_ICH7M  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_31,		TCO_ICH7MDH)},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0,		TCO_ICH8   )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1,		TCO_ICH8ME )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2,		TCO_ICH8DH )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3,		TCO_ICH8DO )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4,		TCO_ICH8M  )},
+	{ ITCO_PCI_DEVICE(0x2918,				TCO_ICH9   )},
+	{ ITCO_PCI_DEVICE(0x2916,				TCO_ICH9R  )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2,		TCO_ICH9DH )},
+	{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB2_0,		TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2671,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2672,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2673,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2674,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2675,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2676,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2677,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2678,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x2679,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267a,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267b,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267c,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267d,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267e,				TCO_631XESB)},
+	{ ITCO_PCI_DEVICE(0x267f,				TCO_631XESB)},
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
@@ -300,6 +317,7 @@ static int iTCO_wdt_start(void)
 
 	/* disable chipset's NO_REBOOT bit */
 	if (iTCO_wdt_unset_NO_REBOOT_bit()) {
+		spin_unlock(&iTCO_wdt_private.io_lock);
 		printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
 		return -EIO;
 	}
@@ -590,7 +608,7 @@ static struct miscdevice iTCO_wdt_miscdev = {
  *	Init & exit routines
  */
 
-static int iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent, struct platform_device *dev)
+static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent, struct platform_device *dev)
 {
 	int ret;
 	u32 base_address;
@@ -694,7 +712,7 @@ out:
 	return ret;
 }
 
-static void iTCO_wdt_cleanup(void)
+static void __devexit iTCO_wdt_cleanup(void)
 {
 	/* Stop the timer before we leave */
 	if (!nowayout)
@@ -709,7 +727,7 @@ static void iTCO_wdt_cleanup(void)
 	iTCO_wdt_private.ACPIBASE = 0;
 }
 
-static int iTCO_wdt_probe(struct platform_device *dev)
+static int __devinit iTCO_wdt_probe(struct platform_device *dev)
 {
 	int found = 0;
 	struct pci_dev *pdev = NULL;
@@ -735,7 +753,7 @@ static int iTCO_wdt_probe(struct platform_device *dev)
 	return 0;
 }
 
-static int iTCO_wdt_remove(struct platform_device *dev)
+static int __devexit iTCO_wdt_remove(struct platform_device *dev)
 {
 	if (iTCO_wdt_private.ACPIBASE)
 		iTCO_wdt_cleanup();
@@ -753,7 +771,7 @@ static void iTCO_wdt_shutdown(struct platform_device *dev)
 
 static struct platform_driver iTCO_wdt_driver = {
 	.probe          = iTCO_wdt_probe,
-	.remove         = iTCO_wdt_remove,
+	.remove         = __devexit_p(iTCO_wdt_remove),
 	.shutdown       = iTCO_wdt_shutdown,
 	.suspend        = iTCO_wdt_suspend,
 	.resume         = iTCO_wdt_resume,

drivers/watchdog/ib700wdt.c

@@ -48,7 +48,7 @@
 
 static struct platform_device *ibwdt_platform_device;
 static unsigned long ibwdt_is_open;
-static spinlock_t ibwdt_lock;
+static DEFINE_SPINLOCK(ibwdt_lock);
 static char expect_close;
 
 /* Module information */
@@ -308,8 +308,6 @@ static int __devinit ibwdt_probe(struct platform_device *dev)
 {
 	int res;
 
-	spin_lock_init(&ibwdt_lock);
-
 #if WDT_START != WDT_STOP
 	if (!request_region(WDT_STOP, 1, "IB700 WDT")) {
 		printk (KERN_ERR PFX "STOP method I/O %X is not available.\n", WDT_STOP);

drivers/watchdog/machzwd.c

@@ -123,8 +123,8 @@ static void zf_ping(unsigned long data);
 static int zf_action = GEN_RESET;
 static unsigned long zf_is_open;
 static char zf_expect_close;
-static spinlock_t zf_lock;
-static spinlock_t zf_port_lock;
+static DEFINE_SPINLOCK(zf_lock);
+static DEFINE_SPINLOCK(zf_port_lock);
 static DEFINE_TIMER(zf_timer, zf_ping, 0, 0);
 static unsigned long next_heartbeat = 0;
 
@@ -438,9 +438,6 @@ static int __init zf_init(void)
 
 	zf_show_action(action);
 
-	spin_lock_init(&zf_lock);
-	spin_lock_init(&zf_port_lock);
-
 	if(!request_region(ZF_IOBASE, 3, "MachZ ZFL WDT")){
 		printk(KERN_ERR "cannot reserve I/O ports at %d\n",
 							ZF_IOBASE);

drivers/watchdog/mpc83xx_wdt.c

@@ -56,7 +56,7 @@ static int prescale = 1;
 static unsigned int timeout_sec;
 
 static unsigned long wdt_is_open;
-static spinlock_t wdt_spinlock;
+static DEFINE_SPINLOCK(wdt_spinlock);
 
 static void mpc83xx_wdt_keepalive(void)
 {
@@ -185,9 +185,6 @@ static int __devinit mpc83xx_wdt_probe(struct platform_device *dev)
 	printk(KERN_INFO "WDT driver for MPC83xx initialized. "
 		"mode:%s timeout=%d (%d seconds)\n",
 		reset ? "reset":"interrupt", timeout, timeout_sec);
-
-	spin_lock_init(&wdt_spinlock);
-
 	return 0;
 
 err_unmap:

drivers/watchdog/pc87413_wdt.c

@@ -61,7 +61,7 @@ static unsigned long timer_enabled = 0;  /* is the timer enabled? */
 
 static char expect_close;                /* is the close expected? */
 
-static spinlock_t io_lock;               /* to guard the watchdog from io races */
+static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 
@@ -561,8 +561,6 @@ static int __init pc87413_init(void)
 {
 	int ret;
 
-	spin_lock_init(&io_lock);
-
 	printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n", WDT_INDEX_IO_PORT);
 
 	/* request_region(io, 2, "pc87413"); */

drivers/watchdog/pnx4008_wdt.c

@@ -80,7 +80,7 @@
 static int nowayout = WATCHDOG_NOWAYOUT;
 static int heartbeat = DEFAULT_HEARTBEAT;
 
-static spinlock_t io_lock;
+static DEFINE_SPINLOCK(io_lock);
 static unsigned long wdt_status;
 #define WDT_IN_USE        0
 #define WDT_OK_TO_CLOSE   1
@@ -254,8 +254,6 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
 	int ret = 0, size;
 	struct resource *res;
 
-	spin_lock_init(&io_lock);
-
 	if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
 		heartbeat = DEFAULT_HEARTBEAT;
 
@@ -335,7 +333,7 @@ static int __init pnx4008_wdt_init(void)
 
 static void __exit pnx4008_wdt_exit(void)
 {
-	return platform_driver_unregister(&platform_wdt_driver);
+	platform_driver_unregister(&platform_wdt_driver);
 }
 
 module_init(pnx4008_wdt_init);

drivers/watchdog/sbc8360.c

@@ -54,7 +54,7 @@
 #include <asm/system.h>
 
 static unsigned long sbc8360_is_open;
-static spinlock_t sbc8360_lock;
+static DEFINE_SPINLOCK(sbc8360_lock);
 static char expect_close;
 
 #define PFX "sbc8360: "
@@ -359,7 +359,6 @@ static int __init sbc8360_init(void)
 		goto out_noreboot;
 	}
 
-	spin_lock_init(&sbc8360_lock);
 	res = misc_register(&sbc8360_miscdev);
 	if (res) {
 		printk(KERN_ERR PFX "failed to register misc device\n");

drivers/watchdog/sc1200wdt.c

@@ -74,7 +74,7 @@ static int io = -1;
 static int io_len = 2;		/* for non plug and play */
 static struct semaphore open_sem;
 static char expect_close;
-static spinlock_t sc1200wdt_lock;	/* io port access serialisation */
+static DEFINE_SPINLOCK(sc1200wdt_lock);	/* io port access serialisation */
 
 #if defined CONFIG_PNP
 static int isapnp = 1;
@@ -375,7 +375,6 @@ static int __init sc1200wdt_init(void)
 
 	printk("%s\n", banner);
 
-	spin_lock_init(&sc1200wdt_lock);
 	sema_init(&open_sem, 1);
 
 #if defined CONFIG_PNP

drivers/watchdog/sc520_wdt.c

@@ -125,7 +125,7 @@ static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0);
 static unsigned long next_heartbeat;
 static unsigned long wdt_is_open;
 static char wdt_expect_close;
-static spinlock_t wdt_spinlock;
+static DEFINE_SPINLOCK(wdt_spinlock);
 
 /*
  *	Whack the dog
@@ -383,8 +383,6 @@ static int __init sc520_wdt_init(void)
 {
 	int rc = -EBUSY;
 
-	spin_lock_init(&wdt_spinlock);
-
 	/* Check that the timeout value is within it's range ; if not reset to the default */
 	if (wdt_set_heartbeat(timeout)) {
 		wdt_set_heartbeat(WATCHDOG_TIMEOUT);

drivers/watchdog/smsc37b787_wdt.c

@@ -83,7 +83,7 @@ static unsigned long timer_enabled = 0;   /* is the timer enabled? */
 
 static char expect_close;       /* is the close expected? */
 
-static spinlock_t io_lock;	/* to guard the watchdog from io races */
+static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 
@@ -540,8 +540,6 @@ static int __init wb_smsc_wdt_init(void)
 {
 	int ret;
 
-	spin_lock_init(&io_lock);
-
 	printk("SMsC 37B787 watchdog component driver " VERSION " initialising...\n");
 
 	if (!request_region(IOPORT, IOPORT_SIZE, "SMsC 37B787 watchdog")) {

drivers/watchdog/w83627hf_wdt.c

@@ -48,7 +48,7 @@
 
 static unsigned long wdt_is_open;
 static char expect_close;
-static spinlock_t io_lock;
+static DEFINE_SPINLOCK(io_lock);
 
 /* You must set this - there is no sane way to probe for this board. */
 static int wdt_io = 0x2E;
@@ -328,8 +328,6 @@ wdt_init(void)
 {
 	int ret;
 
-	spin_lock_init(&io_lock);
-
 	printk(KERN_INFO "WDT driver for the Winbond(TM) W83627HF/THF/HG Super I/O chip initialising.\n");
 
 	if (wdt_set_heartbeat(timeout)) {

drivers/watchdog/w83697hf_wdt.c

@@ -47,7 +47,7 @@
 
 static unsigned long wdt_is_open;
 static char expect_close;
-static spinlock_t io_lock;
+static DEFINE_SPINLOCK(io_lock);
 
 /* You must set this - there is no sane way to probe for this board. */
 static int wdt_io = 0x2e;
@@ -376,8 +376,6 @@ wdt_init(void)
 {
 	int ret, i, found = 0;
 
-	spin_lock_init(&io_lock);
-
 	printk (KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
 
 	if (wdt_io == 0) {

drivers/watchdog/w83877f_wdt.c

@@ -94,7 +94,7 @@ static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0);
 static unsigned long next_heartbeat;
 static unsigned long wdt_is_open;
 static char wdt_expect_close;
-static spinlock_t wdt_spinlock;
+static DEFINE_SPINLOCK(wdt_spinlock);
 
 /*
  *	Whack the dog
@@ -350,8 +350,6 @@ static int __init w83877f_wdt_init(void)
 {
 	int rc = -EBUSY;
 
-	spin_lock_init(&wdt_spinlock);
-
 	if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
 	{
 		timeout = WATCHDOG_TIMEOUT;

drivers/watchdog/w83977f_wdt.c

@@ -50,7 +50,7 @@ static	int timeoutW;			/* timeout in watchdog counter units */
 static	unsigned long timer_alive;
 static	int testmode;
 static	char expect_close;
-static	spinlock_t spinlock;
+static	DEFINE_SPINLOCK(spinlock);
 
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (15..7635), default=" __MODULE_STRING(DEFAULT_TIMEOUT) ")");
@@ -476,8 +476,6 @@ static int __init w83977f_wdt_init(void)
 
         printk(KERN_INFO PFX DRIVER_VERSION);
 
-	spin_lock_init(&spinlock);
-
 	/*
 	 * Check that the timeout value is within it's range ; 
 	 * if not reset to the default

drivers/watchdog/wafer5823wdt.c

@@ -45,7 +45,7 @@
 
 static unsigned long wafwdt_is_open;
 static char expect_close;
-static spinlock_t wafwdt_lock;
+static DEFINE_SPINLOCK(wafwdt_lock);
 
 /*
  *	You must set these - there is no sane way to probe for this board.
@@ -252,8 +252,6 @@ static int __init wafwdt_init(void)
 
 	printk(KERN_INFO "WDT driver for Wafer 5823 single board computer initialising.\n");
 
-	spin_lock_init(&wafwdt_lock);
-
 	if (timeout < 1 || timeout > 255) {
 		timeout = WD_TIMO;
 		printk (KERN_INFO PFX "timeout value must be 1<=x<=255, using %d\n",

drivers/watchdog/wdt.c

@@ -253,7 +253,7 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id)
 			printk(KERN_CRIT "Possible fan fault.\n");
 	}
 #endif /* CONFIG_WDT_501 */
-	if (!(status & WDC_SR_WCCR))
+	if (!(status & WDC_SR_WCCR)) {
 #ifdef SOFTWARE_REBOOT
 #ifdef ONLY_TESTING
 		printk(KERN_CRIT "Would Reboot.\n");
@@ -264,6 +264,7 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id)
 #else
 		printk(KERN_CRIT "Reset in 5ms.\n");
 #endif
+	}
 	return IRQ_HANDLED;
 }
 

drivers/watchdog/wdt977.c

@@ -59,7 +59,7 @@ static	int timeoutM;				/* timeout in minutes */
 static	unsigned long timer_alive;
 static	int testmode;
 static	char expect_close;
-static	spinlock_t spinlock;
+static	DEFINE_SPINLOCK(spinlock);
 
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (60..15300), default=" __MODULE_STRING(DEFAULT_TIMEOUT) ")");
@@ -448,8 +448,6 @@ static int __init wd977_init(void)
 
 	printk(KERN_INFO PFX DRIVER_VERSION);
 
-	spin_lock_init(&spinlock);
-
 	/* Check that the timeout value is within it's range ; if not reset to the default */
 	if (wdt977_set_timeout(timeout))
 	{

drivers/watchdog/wdt_pci.c

@@ -74,7 +74,7 @@
 static int dev_count;
 
 static struct semaphore open_sem;
-static spinlock_t wdtpci_lock;
+static DEFINE_SPINLOCK(wdtpci_lock);
 static char expect_close;
 
 static int io;
@@ -298,7 +298,7 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
 			printk(KERN_CRIT PFX "Possible fan fault.\n");
 	}
 #endif /* CONFIG_WDT_501_PCI */
-	if (!(status&WDC_SR_WCCR))
+	if (!(status&WDC_SR_WCCR)) {
 #ifdef SOFTWARE_REBOOT
 #ifdef ONLY_TESTING
 		printk(KERN_CRIT PFX "Would Reboot.\n");
@@ -309,6 +309,7 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
 #else
 		printk(KERN_CRIT PFX "Reset in 5ms.\n");
 #endif
+	}
 	return IRQ_HANDLED;
 }
 
@@ -606,7 +607,6 @@ static int __devinit wdtpci_init_one (struct pci_dev *dev,
 	}
 
 	sema_init(&open_sem, 1);
-	spin_lock_init(&wdtpci_lock);
 
 	irq = dev->irq;
 	io = pci_resource_start (dev, 2);