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authorAlexey Dobriyan <adobriyan@sw.ru>2007-11-01 16:27:08 -0700
committerWim Van Sebroeck <wim@iguana.be>2007-11-02 19:09:07 +0000
commitc7dfd0cca300c5dc49213cf1c78c77393600410d (patch)
tree5a4a5ecb5ab0215113eacf763a9d15500a02b0ee /drivers/watchdog/wdt_pci.c
parent2ba7d7b39f3adf3f71aa3acab00111a429056c7d (diff)
downloadlwn-c7dfd0cca300c5dc49213cf1c78c77393600410d.tar.gz
lwn-c7dfd0cca300c5dc49213cf1c78c77393600410d.zip
[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>
Diffstat (limited to 'drivers/watchdog/wdt_pci.c')
-rw-r--r--drivers/watchdog/wdt_pci.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 6bfe0e29dc1a..1355608683e4 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/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;
@@ -607,7 +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);