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watchdog: Show error message when initr_watchdog() cannot start watchdog

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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 <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2021-03-09 14:26:55 +01:00 committed by Stefan Roese
parent 9c44ff1c5f
commit 25e20e347e
1 changed files with 7 additions and 1 deletions
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8
drivers/watchdog/wdt-uclass.c
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@ -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);