diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/it8712f_wdt.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c index b08fae65bb0e..b32c6c045b1a 100644 --- a/drivers/watchdog/it8712f_wdt.c +++ b/drivers/watchdog/it8712f_wdt.c @@ -85,6 +85,14 @@ static unsigned short address; #define WDT_OUT_PWROK 0x10 /* Pulse PWROK on timeout */ #define WDT_OUT_KRST 0x40 /* Pulse reset on timeout */ +static int wdt_control_reg = WDT_RESET_GAME; +module_param(wdt_control_reg, int, 0); +MODULE_PARM_DESC(wdt_control_reg, "Value to write to watchdog control " + "register. The default WDT_RESET_GAME resets the timer on " + "game port reads that this driver generates. You can also " + "use KBD, MOUSE or CIR if you have some external way to " + "generate those interrupts."); + static int superio_inb(int reg) { outb(reg, REG); @@ -131,7 +139,8 @@ static inline void superio_exit(void) static inline void it8712f_wdt_ping(void) { - inb(address); + if (wdt_control_reg & WDT_RESET_GAME) + inb(address); } static void it8712f_wdt_update_margin(void) @@ -170,7 +179,7 @@ static void it8712f_wdt_enable(void) superio_enter(); superio_select(LDN_GPIO); - superio_outb(WDT_RESET_GAME, WDT_CONTROL); + superio_outb(wdt_control_reg, WDT_CONTROL); it8712f_wdt_update_margin(); |