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authorDeepak Saxena <dsaxena@plexity.net>2006-01-03 12:50:30 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-04 16:47:42 -0800
commit3adfd4e2b8804e926a5245062ba8ee12e88d30c3 (patch)
treeabcd17bd38ac7609566977bc5070573f16ed1be3
parent4da5cc2cec8caec1d357053e85a7a32f243f93a1 (diff)
downloadlinux-3adfd4e2b8804e926a5245062ba8ee12e88d30c3.tar.bz2
[PATCH] Fix IXP4xx watchdog errata workaround
The IXP4xx driver bails out on all A0 CPUs, but it should only do so on IXP42x as IXP46x has functioning HW. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/char/watchdog/ixp4xx_wdt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/watchdog/ixp4xx_wdt.c b/drivers/char/watchdog/ixp4xx_wdt.c
index b5be8b11104a..3800835ca8f3 100644
--- a/drivers/char/watchdog/ixp4xx_wdt.c
+++ b/drivers/char/watchdog/ixp4xx_wdt.c
@@ -186,8 +186,8 @@ static int __init ixp4xx_wdt_init(void)
unsigned long processor_id;
asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :);
- if (!(processor_id & 0xf)) {
- printk("IXP4XXX Watchdog: Rev. A0 CPU detected - "
+ if (!(processor_id & 0xf) && !cpu_is_ixp46x()) {
+ printk("IXP4XXX Watchdog: Rev. A0 IXP42x CPU detected - "
"watchdog disabled\n");
return -ENODEV;