[PATCH 1/2] watchdog: orion_wdt: Propagate -EPROBE_DEFER from IRQ lookup
| Newsgroups | org.kernel.vger.linux-watchdog,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> Return -EPROBE_DEFER from platform_get_irq_optional() so the driver is re-probed when the interrupt resource becomes available instead of continuing probe without an IRQ. Signed-off-by: bui duc phuc <[email protected]> --- drivers/watchdog/orion_wdt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 0e145f762f6f..8595073a8179 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -606,6 +606,8 @@ static int orion_wdt_probe(struct platform_device *pdev) /* Request the IRQ only after the watchdog is disabled */ irq = platform_get_irq_optional(pdev, 0); + if (irq == -EPROBE_DEFER) + return irq; if (irq > 0) { /* * Not all supported platforms specify an interrupt for the -- 2.43.0