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path: root/drivers/char/watchdog/ixp2000_wdt.c
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Diffstat (limited to 'drivers/char/watchdog/ixp2000_wdt.c')
-rw-r--r--drivers/char/watchdog/ixp2000_wdt.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c
index ab659d37b4d..4b039516cc8 100644
--- a/drivers/char/watchdog/ixp2000_wdt.c
+++ b/drivers/char/watchdog/ixp2000_wdt.c
@@ -162,7 +162,7 @@ ixp2000_wdt_release(struct inode *inode, struct file *file)
if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
wdt_disable();
} else {
- printk(KERN_CRIT "WATCHDOG: Device closed unexpectdly - "
+ printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
"timer will not stop\n");
}
@@ -192,7 +192,12 @@ static struct miscdevice ixp2000_wdt_miscdev =
static int __init ixp2000_wdt_init(void)
{
- wdt_tick_rate = (*IXP2000_T1_CLD * HZ)/ 256;;
+ if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) {
+ printk(KERN_INFO "Unable to use IXP2000 watchdog due to IXP2800 erratum #25.\n");
+ return -EIO;
+ }
+
+ wdt_tick_rate = (*IXP2000_T1_CLD * HZ) / 256;
return misc_register(&ixp2000_wdt_miscdev);
}