diff options
-rw-r--r-- | drivers/watchdog/at91sam9_wdt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index 9bd089ebb70f..65f469145950 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -51,7 +51,7 @@ #define ticks_to_hz_rounddown(t) ((((t) + 1) * HZ) >> 8) #define ticks_to_hz_roundup(t) (((((t) + 1) * HZ) + 255) >> 8) #define ticks_to_secs(t) (((t) + 1) >> 8) -#define secs_to_ticks(s) (((s) << 8) - 1) +#define secs_to_ticks(s) ((s) ? (((s) << 8) - 1) : 0) #define WDT_MR_RESET 0x3FFF2FFF |