1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 19db5302ba6e..a61cbd48dc07 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/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);