Since we can only open the watchdog once having a spinlock to protect
multiple access is pointless.
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
commit 8852c088c0624f5534b08a769b5887c42a211694
tree 04ad05af51efb90604ff86af48197b6b7b45f77a
parent 1161d00ace361999d5b98bbe3082da4c8d457ba3
author Kumar Gala <galak at kernel.crashing.org> Thu, 19 Jan 2006 01:03:09 -0600
committer Kumar Gala <galak at kernel.crashing.org> Thu, 19 Jan 2006 01:03:09
-0600
drivers/char/watchdog/mpc83xx_wdt.c | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/drivers/char/watchdog/mpc83xx_wdt.c
b/drivers/char/watchdog/mpc83xx_wdt.c
index 5d6f506..b310144 100644
--- a/drivers/char/watchdog/mpc83xx_wdt.c
+++ b/drivers/char/watchdog/mpc83xx_wdt.c
@@ -57,15 +57,12 @@ static int prescale = 1;
static unsigned int timeout_sec;
static unsigned long wdt_is_open;
-static spinlock_t wdt_spinlock;
static void mpc83xx_wdt_keepalive(void)
{
/* Ping the WDT */
- spin_lock(&wdt_spinlock);
out_be16(&wd_base->swsrr, 0x556c);
out_be16(&wd_base->swsrr, 0xaa39);
- spin_unlock(&wdt_spinlock);
}
static ssize_t mpc83xx_wdt_write(struct file *file, const char __user *buf,
@@ -184,8 +181,6 @@ static int __devinit mpc83xx_wdt_probe(s
"mode:%s timeout=%d (%d seconds)\n",
reset ? "reset":"interrupt", timeout, timeout_sec);
- spin_lock_init(&wdt_spinlock);
-
return 0;
err_unmap:
