IMX2_WDT_MAX_TIME
actual = min(new_timeout, IMX2_WDT_MAX_TIME);
if (new_pretimeout >= IMX2_WDT_MAX_TIME)
wdog->max_hw_heartbeat_ms = IMX2_WDT_MAX_TIME * 1000;
imx2_wdt_set_timeout(wdog, IMX2_WDT_MAX_TIME);
__imx2_wdt_set_timeout(wdog, IMX2_WDT_MAX_TIME);