[PATCH 02/25] drivers: gpio: rda: Make IRQ optional

[Dang Huynh]

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 <dang.huynh at mainlining.org>
---
 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 bcd85a2237a532b875df9470d972ac88b95a91cc..b4db8553a2371ae407fdb7e681d0f82c4d9f74b7 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