From 3adfd4e2b8804e926a5245062ba8ee12e88d30c3 Mon Sep 17 00:00:00 2001 From: Deepak Saxena Date: Tue, 3 Jan 2006 12:50:30 -0800 Subject: [PATCH] [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 Signed-off-by: Linus Torvalds --- drivers/char/watchdog/ixp4xx_wdt.c | 4 ++-- 1 file 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;