[PATCH v3 2/3] gpio: rda: Make IRQ optional
From: Dang Huynh <hidden>
Date: 2025-09-27 05:02:25
Also in:
linux-arm-kernel, linux-gpio, lkml
Subsystem:
arm/rda micro architecture, gpio subsystem, the rest · Maintainers:
Manivannan Sadhasivam, Linus Walleij, Bartosz Golaszewski, Linus Torvalds
Not all GPIO have IRQ. When we use this driver with GPIOC (handled by modem) we get: rda-gpio 11a08000.gpioc: error -ENXIO: IRQ index 0 not found Let's mark IRQ as optional so this error doesn't show up. Signed-off-by: Dang Huynh <redacted> --- drivers/gpio/gpio-rda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c
index fb479d13eb01a49218ad4229e7d4f70f096f5a2e..7d20dbbb6ec41149a1dbf4d9ef9ac86449773c35 100644
--- a/drivers/gpio/gpio-rda.c
+++ b/drivers/gpio/gpio-rda.c@@ -229,7 +229,7 @@ static int rda_gpio_probe(struct platform_device *pdev) * RDA8810PL, GPIOC doesn't support interrupt. So we must handle * those also. */ - rda_gpio->irq = platform_get_irq(pdev, 0); + rda_gpio->irq = platform_get_irq_optional(pdev, 0); rda_gpio->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rda_gpio->base))
--
2.51.0