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-rw-r--r--drivers/watchdog/it87_wdt.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index bb1122909..843f9f8e3 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -255,6 +255,7 @@ static struct watchdog_device wdt_dev = {
static int __init it87_wdt_init(void)
{
u8 chip_rev;
+ u8 ctrl;
int rc;
rc = superio_enter();
@@ -313,7 +314,18 @@ static int __init it87_wdt_init(void)
superio_select(GPIO);
superio_outb(WDT_TOV1, WDTCFG);
- superio_outb(0x00, WDTCTRL);
+
+ switch (chip_type) {
+ case IT8784_ID:
+ case IT8786_ID:
+ ctrl = superio_inb(WDTCTRL);
+ ctrl &= 0x08;
+ superio_outb(ctrl, WDTCTRL);
+ break;
+ default:
+ superio_outb(0x00, WDTCTRL);
+ }
+
superio_exit();
if (timeout < 1 || timeout > max_units * 60) {