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

* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (23 commits)
  [WATCHDOG] timers cleanup
  [WATCHDOG] ib700wdt.c - convert to platform_device part 2
  [WATCHDOG] ib700wdt.c - convert to platform_device
  [WATCHDOG] ib700wdt.c spinlock/WDIOC_SETOPTIONS changes
  [WATCHDOG] ib700wdt.c small clean-up's
  [WATCHDOG] ib700wdt.c clean-up init and exit routines
  [WATCHDOG] ib700_wdt.c stop + set_heartbeat operations
  [WATCHDOG] show default value for nowayout in module parameter
  [WATCHDOG] advantechwdt.c - convert to platform_device part 2
  [WATCHDOG] advantechwdt.c - convert to platform_device
  [WATCHDOG] advantechwdt.c - move set_heartbeat to a seperate function
  [WATCHDOG] advantechwdt.c - cleanup before platform_device patches
  [WATCHDOG] acquirewdt.c - convert to platform_device part 2
  [WATCHDOG] acquirewdt.c - convert to platform_device
  [WATCHDOG] acquirewdt.c - clean before platform_device patches
  [WATCHDOG] pcwd_usb.c - get heartbeat from dip switches
  [WATCHDOG] pcwd.c - e-mail adres update
  [WATCHDOG] pcwd_usb.c - get heartbeat from dip switches
  [WATCHDOG] pcwd_usb.c - document includes
  [WATCHDOG] pcwd_pci.c - spinlock fixes
  ...

36 files changed, 489 insertions, 350 deletions

diff --git a/drivers/char/watchdog/acquirewdt.c b/drivers/char/watchdog/acquirewdt.c
index 154d67e591e..85269c365a1 100644
--- a/drivers/char/watchdog/acquirewdt.c
+++ b/drivers/char/watchdog/acquirewdt.c
@@ -48,46 +48,52 @@
  *		It can be 1, 2, 10, 20, 110 or 220 seconds.
  */
 
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/fs.h>
-#include <linux/ioport.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
+/*
+ *	Includes, defines, variables, module parameters, ...
+ */
 
+/* Includes */
+#include <linux/module.h>		/* For module specific items */
+#include <linux/moduleparam.h>		/* For new moduleparam's */
+#include <linux/types.h>		/* For standard types (like size_t) */
+#include <linux/errno.h>		/* For the -ENODEV/... values */
+#include <linux/kernel.h>		/* For printk/panic/... */
+#include <linux/miscdevice.h>		/* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/watchdog.h>		/* For the watchdog specific items */
+#include <linux/fs.h>			/* For file operations */
+#include <linux/ioport.h>		/* For io-port access */
+#include <linux/platform_device.h>	/* For platform_driver framework */
+#include <linux/init.h>			/* For __init/__exit/... */
+
+#include <asm/uaccess.h>		/* For copy_to_user/put_user/... */
+#include <asm/io.h>			/* For inb/outb/... */
+
+/* Module information */
+#define DRV_NAME "acquirewdt"
+#define PFX DRV_NAME ": "
 #define WATCHDOG_NAME "Acquire WDT"
-#define PFX WATCHDOG_NAME ": "
 #define WATCHDOG_HEARTBEAT 0	/* There is no way to see what the correct time-out period is */
 
+/* internal variables */
+static struct platform_device *acq_platform_device;	/* the watchdog platform device */
 static unsigned long acq_is_open;
 static char expect_close;
 
-/*
- *	You must set these - there is no sane way to probe for this board.
- */
-
-static int wdt_stop = 0x43;
+/* module parameters */
+static int wdt_stop = 0x43;	/* You must set this - there is no sane way to probe for this board. */
 module_param(wdt_stop, int, 0);
 MODULE_PARM_DESC(wdt_stop, "Acquire WDT 'stop' io port (default 0x43)");
 
-static int wdt_start = 0x443;
+static int wdt_start = 0x443;	/* You must set this - there is no sane way to probe for this board. */
 module_param(wdt_start, int, 0);
 MODULE_PARM_DESC(wdt_start, "Acquire WDT 'start' io port (default 0x443)");
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
- *	Kernel methods.
+ *	Watchdog Operations
  */
 
 static void acq_keepalive(void)
@@ -103,7 +109,7 @@ static void acq_stop(void)
 }
 
 /*
- *	/dev/watchdog handling.
+ *	/dev/watchdog handling
  */
 
 static ssize_t acq_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
@@ -143,7 +149,7 @@ static int acq_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	{
 		.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
-		.identity = "Acquire WDT",
+		.identity = WATCHDOG_NAME,
 	};
 
 	switch(cmd)
@@ -214,20 +220,6 @@ static int acq_close(struct inode *inode, struct file *file)
 }
 
 /*
- *	Notifier for system down
- */
-
-static int acq_notify_sys(struct notifier_block *this, unsigned long code,
-	void *unused)
-{
-	if(code==SYS_DOWN || code==SYS_HALT) {
-		/* Turn the WDT off */
-		acq_stop();
-	}
-	return NOTIFY_DONE;
-}
-
-/*
  *	Kernel Interfaces
  */
 
@@ -240,29 +232,20 @@ static const struct file_operations acq_fops = {
 	.release	= acq_close,
 };
 
-static struct miscdevice acq_miscdev=
-{
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &acq_fops,
+static struct miscdevice acq_miscdev = {
+	.minor	= WATCHDOG_MINOR,
+	.name	= "watchdog",
+	.fops	= &acq_fops,
 };
 
 /*
- *	The WDT card needs to learn about soft shutdowns in order to
- *	turn the timebomb registers off.
+ *	Init & exit routines
  */
 
-static struct notifier_block acq_notifier =
-{
-	.notifier_call = acq_notify_sys,
-};
-
-static int __init acq_init(void)
+static int __devinit acq_probe(struct platform_device *dev)
 {
 	int ret;
 
-	printk(KERN_INFO "WDT driver for Acquire single board computer initialising.\n");
-
 	if (wdt_stop != wdt_start) {
 		if (!request_region(wdt_stop, 1, WATCHDOG_NAME)) {
 			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
@@ -279,18 +262,11 @@ static int __init acq_init(void)
 		goto unreg_stop;
 	}
 
-	ret = register_reboot_notifier(&acq_notifier);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
-			ret);
-		goto unreg_regions;
-	}
-
 	ret = misc_register(&acq_miscdev);
 	if (ret != 0) {
 		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
 			WATCHDOG_MINOR, ret);
-		goto unreg_reboot;
+		goto unreg_regions;
 	}
 
 	printk (KERN_INFO PFX "initialized. (nowayout=%d)\n",
@@ -298,8 +274,6 @@ static int __init acq_init(void)
 
 	return 0;
 
-unreg_reboot:
-	unregister_reboot_notifier(&acq_notifier);
 unreg_regions:
 	release_region(wdt_start, 1);
 unreg_stop:
@@ -309,13 +283,60 @@ out:
 	return ret;
 }
 
-static void __exit acq_exit(void)
+static int __devexit acq_remove(struct platform_device *dev)
 {
 	misc_deregister(&acq_miscdev);
-	unregister_reboot_notifier(&acq_notifier);
+	release_region(wdt_start,1);
 	if(wdt_stop != wdt_start)
 		release_region(wdt_stop,1);
-	release_region(wdt_start,1);
+
+	return 0;
+}
+
+static void acq_shutdown(struct platform_device *dev)
+{
+	/* Turn the WDT off if we have a soft shutdown */
+	acq_stop();
+}
+
+static struct platform_driver acquirewdt_driver = {
+	.probe		= acq_probe,
+	.remove		= __devexit_p(acq_remove),
+	.shutdown	= acq_shutdown,
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= DRV_NAME,
+	},
+};
+
+static int __init acq_init(void)
+{
+	int err;
+
+	printk(KERN_INFO "WDT driver for Acquire single board computer initialising.\n");
+
+	err = platform_driver_register(&acquirewdt_driver);
+	if (err)
+		return err;
+
+	acq_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+	if (IS_ERR(acq_platform_device)) {
+		err = PTR_ERR(acq_platform_device);
+		goto unreg_platform_driver;
+	}
+
+	return 0;
+
+unreg_platform_driver:
+	platform_driver_unregister(&acquirewdt_driver);
+	return err;
+}
+
+static void __exit acq_exit(void)
+{
+	platform_device_unregister(acq_platform_device);
+	platform_driver_unregister(&acquirewdt_driver);
+	printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
 }
 
 module_init(acq_init);
diff --git a/drivers/char/watchdog/advantechwdt.c b/drivers/char/watchdog/advantechwdt.c
index 9d732769ba0..8121cc24734 100644
--- a/drivers/char/watchdog/advantechwdt.c
+++ b/drivers/char/watchdog/advantechwdt.c
@@ -35,18 +35,19 @@
 #include <linux/watchdog.h>
 #include <linux/fs.h>
 #include <linux/ioport.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
+#include <linux/platform_device.h>
 #include <linux/init.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
+#define DRV_NAME "advantechwdt"
+#define PFX DRV_NAME ": "
 #define WATCHDOG_NAME "Advantech WDT"
-#define PFX WATCHDOG_NAME ": "
 #define WATCHDOG_TIMEOUT 60		/* 60 sec default timeout */
 
+static struct platform_device *advwdt_platform_device;	/* the watchdog platform device */
 static unsigned long advwdt_is_open;
 static char adv_expect_close;
 
@@ -75,10 +76,10 @@ MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=63, defaul
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
- *	Kernel methods.
+ *	Watchdog Operations
  */
 
 static void
@@ -94,6 +95,20 @@ advwdt_disable(void)
 	inb_p(wdt_stop);
 }
 
+static int
+advwdt_set_heartbeat(int t)
+{
+	if ((t < 1) || (t > 63))
+		return -EINVAL;
+
+	timeout = t;
+	return 0;
+}
+
+/*
+ *	/dev/watchdog handling
+ */
+
 static ssize_t
 advwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
@@ -126,7 +141,7 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	static struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
-		.identity = "Advantech WDT",
+		.identity = WATCHDOG_NAME,
 	};
 
 	switch (cmd) {
@@ -146,9 +161,8 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	case WDIOC_SETTIMEOUT:
 	  if (get_user(new_timeout, p))
 		  return -EFAULT;
-	  if ((new_timeout < 1) || (new_timeout > 63))
+	  if (advwdt_set_heartbeat(new_timeout))
 		  return -EINVAL;
-	  timeout = new_timeout;
 	  advwdt_ping();
 	  /* Fall */
 
@@ -209,21 +223,6 @@ advwdt_close(struct inode *inode, struct file *file)
 }
 
 /*
- *	Notifier for system down
- */
-
-static int
-advwdt_notify_sys(struct notifier_block *this, unsigned long code,
-	void *unused)
-{
-	if (code == SYS_DOWN || code == SYS_HALT) {
-		/* Turn the WDT off */
-		advwdt_disable();
-	}
-	return NOTIFY_DONE;
-}
-
-/*
  *	Kernel Interfaces
  */
 
@@ -237,33 +236,20 @@ static const struct file_operations advwdt_fops = {
 };
 
 static struct miscdevice advwdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &advwdt_fops,
+	.minor	= WATCHDOG_MINOR,
+	.name	= "watchdog",
+	.fops	= &advwdt_fops,
 };
 
 /*
- *	The WDT needs to learn about soft shutdowns in order to
- *	turn the timebomb registers off.
+ *	Init & exit routines
  */
 
-static struct notifier_block advwdt_notifier = {
-	.notifier_call = advwdt_notify_sys,
-};
-
-static int __init
-advwdt_init(void)
+static int __devinit
+advwdt_probe(struct platform_device *dev)
 {
 	int ret;
 
-	printk(KERN_INFO "WDT driver for Advantech single board computer initialising.\n");
-
-	if (timeout < 1 || timeout > 63) {
-		timeout = WATCHDOG_TIMEOUT;
-		printk (KERN_INFO PFX "timeout value must be 1<=x<=63, using %d\n",
-			timeout);
-	}
-
 	if (wdt_stop != wdt_start) {
 		if (!request_region(wdt_stop, 1, WATCHDOG_NAME)) {
 			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
@@ -280,18 +266,18 @@ advwdt_init(void)
 		goto unreg_stop;
 	}
 
-	ret = register_reboot_notifier(&advwdt_notifier);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
-			ret);
-		goto unreg_regions;
+	/* Check that the heartbeat value is within it's range ; if not reset to the default */
+	if (advwdt_set_heartbeat(timeout)) {
+		advwdt_set_heartbeat(WATCHDOG_TIMEOUT);
+		printk (KERN_INFO PFX "timeout value must be 1<=x<=63, using %d\n",
+			timeout);
 	}
 
 	ret = misc_register(&advwdt_miscdev);
 	if (ret != 0) {
 		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
 			WATCHDOG_MINOR, ret);
-		goto unreg_reboot;
+		goto unreg_regions;
 	}
 
 	printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
@@ -299,8 +285,6 @@ advwdt_init(void)
 
 out:
 	return ret;
-unreg_reboot:
-	unregister_reboot_notifier(&advwdt_notifier);
 unreg_regions:
 	release_region(wdt_start, 1);
 unreg_stop:
@@ -309,14 +293,64 @@ unreg_stop:
 	goto out;
 }
 
-static void __exit
-advwdt_exit(void)
+static int __devexit
+advwdt_remove(struct platform_device *dev)
 {
 	misc_deregister(&advwdt_miscdev);
-	unregister_reboot_notifier(&advwdt_notifier);
+	release_region(wdt_start,1);
 	if(wdt_stop != wdt_start)
 		release_region(wdt_stop,1);
-	release_region(wdt_start,1);
+
+	return 0;
+}
+
+static void
+advwdt_shutdown(struct platform_device *dev)
+{
+	/* Turn the WDT off if we have a soft shutdown */
+	advwdt_disable();
+}
+
+static struct platform_driver advwdt_driver = {
+	.probe		= advwdt_probe,
+	.remove		= __devexit_p(advwdt_remove),
+	.shutdown	= advwdt_shutdown,
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= DRV_NAME,
+	},
+};
+
+static int __init
+advwdt_init(void)
+{
+	int err;
+
+	printk(KERN_INFO "WDT driver for Advantech single board computer initialising.\n");
+
+	err = platform_driver_register(&advwdt_driver);
+	if (err)
+		return err;
+
+	advwdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+	if (IS_ERR(advwdt_platform_device)) {
+		err = PTR_ERR(advwdt_platform_device);
+		goto unreg_platform_driver;
+	}
+
+	return 0;
+
+unreg_platform_driver:
+	platform_driver_unregister(&advwdt_driver);
+	return err;
+}
+
+static void __exit
+advwdt_exit(void)
+{
+	platform_device_unregister(advwdt_platform_device);
+	platform_driver_unregister(&advwdt_driver);
+	printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
 }
 
 module_init(advwdt_init);
diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c
index 01b0d132ee4..e3f6a7d0c83 100644
--- a/drivers/char/watchdog/alim1535_wdt.c
+++ b/drivers/char/watchdog/alim1535_wdt.c
@@ -40,7 +40,7 @@ MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (0<timeout<18000, defaul
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
  *	ali_start	-	start watchdog countdown
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index e5b2c2ee292..67aed9f8c36 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -69,7 +69,7 @@ module_param(use_gpio, int, 0);
 MODULE_PARM_DESC(use_gpio, "Use the gpio watchdog.  (required by old cobalt boards)");
 
 static void wdt_timer_ping(unsigned long);
-static struct timer_list timer;
+static DEFINE_TIMER(timer, wdt_timer_ping, 0, 1);
 static unsigned long next_heartbeat;
 static unsigned long wdt_is_open;
 static char wdt_expect_close;
@@ -78,7 +78,7 @@ static struct pci_dev *alim7101_pmu;
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
-		 __stringify(CONFIG_WATCHDOG_NOWAYOUT) ")");
+		 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
  *	Whack the dog
@@ -108,8 +108,7 @@ static void wdt_timer_ping(unsigned long data)
 		printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
 	}
 	/* Re-set the timer interval */
-	timer.expires = jiffies + WDT_INTERVAL;
-	add_timer(&timer);
+	mod_timer(&timer, jiffies + WDT_INTERVAL);
 }
 
 /*
@@ -147,9 +146,7 @@ static void wdt_startup(void)
 	wdt_change(WDT_ENABLE);
 
 	/* Start the timer */
-	timer.expires = jiffies + WDT_INTERVAL;
-	add_timer(&timer);
-
+	mod_timer(&timer, jiffies + WDT_INTERVAL);
 
 	printk(KERN_INFO PFX "Watchdog timer is now enabled.\n");
 }
@@ -380,10 +377,6 @@ static int __init alim7101_wdt_init(void)
 			timeout);
 	}
 
-	init_timer(&timer);
-	timer.function = wdt_timer_ping;
-	timer.data = 1;
-
 	rc = misc_register(&wdt_miscdev);
 	if (rc) {
 		printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
diff --git a/drivers/char/watchdog/cpu5wdt.c b/drivers/char/watchdog/cpu5wdt.c
index 00bdabb90f2..bcd7e36ca0a 100644
--- a/drivers/char/watchdog/cpu5wdt.c
+++ b/drivers/char/watchdog/cpu5wdt.c
@@ -80,10 +80,8 @@ static void cpu5wdt_trigger(unsigned long unused)
 	outb(1, port + CPU5WDT_TRIGGER_REG);
 
 	/* requeue?? */
-	if( cpu5wdt_device.queue && ticks ) {
-		cpu5wdt_device.timer.expires = jiffies + CPU5WDT_INTERVAL;
-		add_timer(&cpu5wdt_device.timer);
-	}
+	if (cpu5wdt_device.queue && ticks)
+		mod_timer(&cpu5wdt_device.timer, jiffies + CPU5WDT_INTERVAL);
 	else {
 		/* ticks doesn't matter anyway */
 		complete(&cpu5wdt_device.stop);
@@ -109,8 +107,7 @@ static void cpu5wdt_start(void)
 		outb(1, port + CPU5WDT_MODE_REG);
 		outb(0, port + CPU5WDT_RESET_REG);
 		outb(0, port + CPU5WDT_ENABLE_REG);
-		cpu5wdt_device.timer.expires = jiffies + CPU5WDT_INTERVAL;
-		add_timer(&cpu5wdt_device.timer);
+		mod_timer(&cpu5wdt_device.timer, jiffies + CPU5WDT_INTERVAL);
 	}
 	/* if process dies, counter is not decremented */
 	cpu5wdt_device.running++;
@@ -245,9 +242,7 @@ static int __devinit cpu5wdt_init(void)
 
 	clear_bit(0, &cpu5wdt_device.inuse);
 
-	init_timer(&cpu5wdt_device.timer);
-	cpu5wdt_device.timer.function = cpu5wdt_trigger;
-	cpu5wdt_device.timer.data = 0;
+	setup_timer(&cpu5wdt_device.timer, cpu5wdt_trigger, 0);
 
 	cpu5wdt_device.default_ticks = ticks;
 
diff --git a/drivers/char/watchdog/eurotechwdt.c b/drivers/char/watchdog/eurotechwdt.c
index e228d6e173c..f70387f01b2 100644
--- a/drivers/char/watchdog/eurotechwdt.c
+++ b/drivers/char/watchdog/eurotechwdt.c
@@ -73,7 +73,7 @@ static char *ev = "int";
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
  * Some symbolic names
diff --git a/drivers/char/watchdog/i6300esb.c b/drivers/char/watchdog/i6300esb.c
index fb64df4d7c8..c5982502c03 100644
--- a/drivers/char/watchdog/i6300esb.c
+++ b/drivers/char/watchdog/i6300esb.c
@@ -91,7 +91,7 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (1<heartbeat<2046, d
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
  * Some i6300ESB specific functions
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index e0627d79707..a62ef48a15a 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -109,7 +109,7 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39, def
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
  * Some TCO specific functions
diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
index fd8a44a08cd..3c9684ccd2f 100644
--- a/drivers/char/watchdog/iTCO_wdt.c
+++ b/drivers/char/watchdog/iTCO_wdt.c
@@ -1,7 +1,7 @@
 /*
  *	intel TCO Watchdog Driver (Used in i82801 and i6300ESB chipsets)
  *
- *	(c) Copyright 2006 Wim Van Sebroeck <wim@iguana.be>.
+ *	(c) Copyright 2006-2007 Wim Van Sebroeck <wim@iguana.be>.
  *
  *	This program is free software; you can redistribute it and/or
  *	modify it under the terms of the GNU General Public License
@@ -49,7 +49,7 @@
 /* Module and version information */
 #define DRV_NAME        "iTCO_wdt"
 #define DRV_VERSION     "1.01"
-#define DRV_RELDATE     "11-Nov-2006"
+#define DRV_RELDATE     "21-Jan-2007"
 #define PFX		DRV_NAME ": "
 
 /* Includes */
@@ -187,7 +187,7 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39 (TCO
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /* iTCO Vendor Specific Support hooks */
 #ifdef CONFIG_ITCO_VENDOR_SUPPORT
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c
index c1ed209a138..c3a60f52ccb 100644
--- a/drivers/char/watchdog/ib700wdt.c
+++ b/drivers/char/watchdog/ib700wdt.c
@@ -3,8 +3,8 @@
  *
  *	(c) Copyright 2001 Charles Howes <chowes@vsol.net>
  *
- *      Based on advantechwdt.c which is based on acquirewdt.c which
- *       is based on wdt.c.
+ *	Based on advantechwdt.c which is based on acquirewdt.c which
+ *	is based on wdt.c.
  *
  *	(c) Copyright 2000-2001 Marek Michalkiewicz <marekm@linux.org.pl>
  *
@@ -25,9 +25,9 @@
  *
  *	(c) Copyright 1995    Alan Cox <alan@redhat.com>
  *
- *      14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
- *           Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
- *           Added timeout module option to override default
+ *	14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
+ *	     Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
+ *	     Added timeout module option to override default
  *
  */
 
@@ -36,22 +36,24 @@
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
 #include <linux/ioport.h>
-#include <linux/notifier.h>
 #include <linux/fs.h>
-#include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/moduleparam.h>
+#include <linux/platform_device.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
+static struct platform_device *ibwdt_platform_device;
 static unsigned long ibwdt_is_open;
 static spinlock_t ibwdt_lock;
 static char expect_close;
 
-#define PFX "ib700wdt: "
+/* Module information */
+#define DRV_NAME "ib700wdt"
+#define PFX DRV_NAME ": "
 
 /*
  *
@@ -118,20 +120,51 @@ static int wd_margin = WD_TIMO;
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 
 /*
- *	Kernel methods.
+ *	Watchdog Operations
  */
 
 static void
 ibwdt_ping(void)
 {
+	spin_lock(&ibwdt_lock);
+
 	/* Write a watchdog value */
 	outb_p(wd_margin, WDT_START);
+
+	spin_unlock(&ibwdt_lock);
 }
 
+static void
+ibwdt_disable(void)
+{
+	spin_lock(&ibwdt_lock);
+	outb_p(0, WDT_STOP);
+	spin_unlock(&ibwdt_lock);
+}
+
+static int
+ibwdt_set_heartbeat(int t)
+{
+	int i;
+
+	if ((t < 0) || (t > 30))
+		return -EINVAL;
+
+	for (i = 0x0F; i > -1; i--)
+		if (wd_times[i] > t)
+			break;
+	wd_margin = i;
+	return 0;
+}
+
+/*
+ *	/dev/watchdog handling
+ */
+
 static ssize_t
 ibwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
@@ -159,7 +192,7 @@ static int</