[WATCHDOG] spin_lock_init() fixes

Some watchdog drivers initialize global spinlocks in module's init function
which is tolerable, but some do it in PCI probe function.  So, switch to
static initialization to fix theoretical bugs and, more importantly, stop
giving people bad examples.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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