diff options
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/tegra_wdt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c index d11b99816ca6..1a73e36dc6cf 100644 --- a/drivers/watchdog/tegra_wdt.c +++ b/drivers/watchdog/tegra_wdt.c @@ -50,7 +50,11 @@ #define WDT_SEL_TMR1 (0 << 4) #define WDT_SYS_RST (1 << 2) -static int heartbeat = 30; /* must be greater than MIN_WDT_PERIOD and lower than MAX_WDT_PERIOD */ +/* + * For spinlock lockup detection to work, the heartbeat should be 2*lockup + * for cases where the spinlock disabled irqs. + */ +static int heartbeat = 120; /* must be greater than MIN_WDT_PERIOD and lower than MAX_WDT_PERIOD */ struct tegra_wdt { struct miscdevice miscdev; |