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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/smsc37b787_wdt.c
parent2ba7d7b39f3adf3f71aa3acab00111a429056c7d (diff)
downloadop-kernel-dev-c7dfd0cca300c5dc49213cf1c78c77393600410d.zip
op-kernel-dev-c7dfd0cca300c5dc49213cf1c78c77393600410d.tar.gz
[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/smsc37b787_wdt.c')
-rw-r--r--drivers/watchdog/smsc37b787_wdt.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b787_wdt.c
index d3cb0a7..5d2b5ba 100644
--- a/drivers/watchdog/smsc37b787_wdt.c
+++ b/drivers/watchdog/smsc37b787_wdt.c
@@ -83,7 +83,7 @@ static unsigned long timer_enabled = 0; /* is the timer enabled? */
static char expect_close; /* is the close expected? */
-static spinlock_t io_lock; /* to guard the watchdog from io races */
+static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */
static int nowayout = WATCHDOG_NOWAYOUT;
@@ -540,8 +540,6 @@ static int __init wb_smsc_wdt_init(void)
{
int ret;
- spin_lock_init(&io_lock);
-
printk("SMsC 37B787 watchdog component driver " VERSION " initialising...\n");
if (!request_region(IOPORT, IOPORT_SIZE, "SMsC 37B787 watchdog")) {
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