diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/imx2_wdt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 86f7cac1026c..ad2a40fefc6c 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -41,6 +41,7 @@ #define IMX2_WDT_WCR_WT (0xFF << 8) /* -> Watchdog Timeout Field */ #define IMX2_WDT_WCR_WRE (1 << 3) /* -> WDOG Reset Enable */ #define IMX2_WDT_WCR_WDE (1 << 2) /* -> Watchdog Enable */ +#define IMX2_WDT_WCR_WDZST (1 << 0) /* -> Watchdog timer Suspend */ #define IMX2_WDT_WSR 0x02 /* Service Register */ #define IMX2_WDT_SEQ1 0x5555 /* -> service sequence 1 */ @@ -85,6 +86,8 @@ static inline void imx2_wdt_setup(void) { u16 val = __raw_readw(imx2_wdt.base + IMX2_WDT_WCR); + /* Suspend watch dog timer in low power mode, write once-only */ + val |= IMX2_WDT_WCR_WDZST; /* Strip the old watchdog Time-Out value */ val &= ~IMX2_WDT_WCR_WT; /* Generate reset if WDOG times out */ |