[PATCH 1/4] watchdog: qcom: Propagate errors from optional IRQ lookup
[email protected] Fri, 7 Aug 2026 15:16:49 +0700
| Newsgroups | org.infradead.lists.linux-mediatek,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-watchdog |
|---|---|
| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no IRQ is available, while other errors should be propagated. Instead of only checking for -EPROBE_DEFER, propagate all error codes returned by platform_get_irq_optional() other than -ENXIO, so that failures are properly reported to the caller. Signed-off-by: bui duc phuc <[email protected]> --- drivers/watchdog/qcom-wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c index 49bd04841f0c..a8eb1d8f24f0 100644 --- a/drivers/watchdog/qcom-wdt.c +++ b/drivers/watchdog/qcom-wdt.c @@ -298,8 +298,8 @@ static int qcom_wdt_probe(struct platform_device *pdev) wdt->wdd.info = &qcom_wdt_pt_info; wdt->wdd.pretimeout = 1; } else { - if (irq == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (irq != -ENXIO) + return irq; wdt->wdd.info = &qcom_wdt_info; } -- 2.43.0