diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/w83627hf_wdt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c index 910d4373682..c5d34f46e7a 100644 --- a/drivers/watchdog/w83627hf_wdt.c +++ b/drivers/watchdog/w83627hf_wdt.c @@ -107,7 +107,9 @@ static void w83627hf_init(struct watchdog_device *wdog) } outb_p(0x30, WDT_EFER); /* select CR30 */ - outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ + t = inb(WDT_EFDR); + if (!(t & 0x01)) + outb_p(t | 0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ outb_p(0xF6, WDT_EFER); /* Select CRF6 */ t = inb_p(WDT_EFDR); /* read CRF6 */ |