Commit 1bafac47 authored by Tzung-Bi Shih's avatar Tzung-Bi Shih Committed by Wim Van Sebroeck
Browse files

watchdog: mtk_wdt: use platform_get_irq_optional 



The watchdog pre-timeout (bark) interrupt is optional.  Use
platform_get_irq_optional() to avoid seeing such following
error message:
>>> mtk-wdt 10007000.watchdog: IRQ index 0 not found

Signed-off-by: default avatarTzung-Bi Shih <tzungbi@google.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211208095555.4099551-1-tzungbi@google.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent 2cbc5cd0

drivers/watchdog/mtk_wdt.c

+1 −1
Original line number Diff line number Diff line
@@ -339,7 +339,7 @@ static int mtk_wdt_probe(struct platform_device *pdev) 
	if (IS_ERR(mtk_wdt->wdt_base))

		return PTR_ERR(mtk_wdt->wdt_base);



	irq = platform_get_irq(pdev, 0);

	irq = platform_get_irq_optional(pdev, 0);

	if (irq > 0) {

		err = devm_request_irq(&pdev->dev, irq, mtk_wdt_isr, 0, "wdt_bark",

				       &mtk_wdt->wdt_dev);