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authorTzung-Bi Shih <tzungbi@google.com>2021-12-08 12:55:55 +0300
committerWim Van Sebroeck <wim@linux-watchdog.org>2022-01-05 12:33:16 +0300
commit1bafac47a4f70a169427ffcf59fb673d23e39105 (patch)
tree1fac20ba40046f754a3a92d908344052154a45b1 /drivers/watchdog
parent2cbc5cd0b55fa2310cc557c77b0665f5e00272de (diff)
downloadlinux-1bafac47a4f70a169427ffcf59fb673d23e39105.tar.xz
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: Tzung-Bi Shih <tzungbi@google.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20211208095555.4099551-1-tzungbi@google.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/mtk_wdt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 543cf38bd04e..4577a76dd464 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -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);