From: Pali Rohár Date: Tue, 9 Mar 2021 13:26:55 +0000 (+0100) Subject: watchdog: Show error message when initr_watchdog() cannot start watchdog X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=25e20e347ed83d3629d65a7c5a6c376bacc1db0d;p=u-boot.git watchdog: Show error message when initr_watchdog() cannot start watchdog Function wdt_start() may fail. So in initr_watchdog() function check return value of wdt_start() call and print error message when watchdog starting failed. Signed-off-by: Pali Rohár Reviewed-by: Stefan Roese --- diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c index 3f707f61f7..7500b3ed90 100644 --- a/drivers/watchdog/wdt-uclass.c +++ b/drivers/watchdog/wdt-uclass.c @@ -27,6 +27,7 @@ static ulong reset_period = 1000; int initr_watchdog(void) { u32 timeout = WATCHDOG_TIMEOUT_SECS; + int ret; /* * Init watchdog: This will call the probe function of the @@ -50,7 +51,12 @@ int initr_watchdog(void) 4 * reset_period) / 4; } - wdt_start(gd->watchdog_dev, timeout * 1000, 0); + ret = wdt_start(gd->watchdog_dev, timeout * 1000, 0); + if (ret != 0) { + printf("WDT: Failed to start\n"); + return 0; + } + printf("WDT: Started with%s servicing (%ds timeout)\n", IS_ENABLED(CONFIG_WATCHDOG) ? "" : "out", timeout);