DEFAULT_HEARTBEAT   26 drivers/watchdog/davinci_wdt.c #define DEFAULT_HEARTBEAT 60
DEFAULT_HEARTBEAT   34 drivers/watchdog/jz4740_wdt.c #define DEFAULT_HEARTBEAT 5
DEFAULT_HEARTBEAT   12 drivers/watchdog/loongson1_wdt.c #define DEFAULT_HEARTBEAT	30
DEFAULT_HEARTBEAT   30 drivers/watchdog/max63xx_wdt.c #define DEFAULT_HEARTBEAT 60
DEFAULT_HEARTBEAT   36 drivers/watchdog/pnx4008_wdt.c #define DEFAULT_HEARTBEAT 19