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[PATCH] Fix IXP4xx watchdog errata workaround

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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>
This commit is contained in:
Deepak Saxena 2006-01-03 12:50:30 -08:00 committed by Linus Torvalds
parent 4da5cc2cec
commit 3adfd4e2b8
1 changed files with 2 additions and 2 deletions
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4
drivers/char/watchdog/ixp4xx_wdt.c
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@ -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;