Merge git://www.linux-watchdog.org/linux-watchdog

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: omap_wdt.c: fix the WDIOC_GETBOOTSTATUS ioctl if not implemented.
  watchdog: new driver for VIA chipsets
  watchdog: ath79_wdt: flush register writes
  drivers/watchdog/lantiq_wdt.c: drop iounmap for devm_ allocated data
  watchdog: documentation: describe nowayout in coversion-guide
  watchdog: documentation: update index file
  watchdog: Convert wm831x driver to devm_kzalloc()
  watchdog: add nowayout helpers to Watchdog Timer Driver Kernel API
  watchdog: convert drivers/watchdog/* to use module_platform_driver()
  watchdog: Use DEFINE_SPINLOCK() for static spinlocks
  watchdog: Convert Wolfson drivers to module_platform_driver

1 files changed, 3 insertions, 14 deletions

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 2b4acb86c191..4b33e3fd726b 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -55,7 +55,7 @@ module_param(timer_margin, uint, 0);
 MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)");
 
 static unsigned int wdt_trgr_pattern = 0x1234;
-static spinlock_t wdt_lock;
+static DEFINE_SPINLOCK(wdt_lock);
 
 struct omap_wdt_dev {
 	void __iomem    *base;          /* physical */
@@ -232,6 +232,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
 		if (cpu_is_omap24xx())
 			return put_user(omap_prcm_get_reset_sources(),
 					(int __user *)arg);
+		return put_user(0, (int __user *)arg);
 	case WDIOC_KEEPALIVE:
 		pm_runtime_get_sync(wdev->dev);
 		spin_lock(&wdt_lock);
@@ -437,19 +438,7 @@ static struct platform_driver omap_wdt_driver = {
 	},
 };
 
-static int __init omap_wdt_init(void)
-{
-	spin_lock_init(&wdt_lock);
-	return platform_driver_register(&omap_wdt_driver);
-}
-
-static void __exit omap_wdt_exit(void)
-{
-	platform_driver_unregister(&omap_wdt_driver);
-}
-
-module_init(omap_wdt_init);
-module_exit(omap_wdt_exit);
+module_platform_driver(omap_wdt_driver);
 
 MODULE_AUTHOR("George G. Davis");
 MODULE_LICENSE("GPL");