From: Matthias Schiffer matthias.schiffer@ew.tq-group.com
[ Upstream commit 9b87f43537acfa24b95c236beba0f45901356eb2 ]
The tqmx86 MFD driver was passing IRQ 0 for "no IRQ" in the past. This causes warnings with newer kernels.
Prepare the gpio-tqmx86 driver for the fixed MFD driver by handling a missing IRQ properly.
Fixes: b868db94a6a7 ("gpio: tqmx86: Add GPIO from for this IO controller") Signed-off-by: Matthias Schiffer matthias.schiffer@ew.tq-group.com Reviewed-by: Andrew Lunn andrew@lunn.ch Acked-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-tqmx86.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c index a3109bcaa0ac..09ca493b3617 100644 --- a/drivers/gpio/gpio-tqmx86.c +++ b/drivers/gpio/gpio-tqmx86.c @@ -235,8 +235,8 @@ static int tqmx86_gpio_probe(struct platform_device *pdev) struct resource *res; int ret, irq;
- irq = platform_get_irq(pdev, 0); - if (irq < 0) + irq = platform_get_irq_optional(pdev, 0); + if (irq < 0 && irq != -ENXIO) return irq;
res = platform_get_resource(pdev, IORESOURCE_IO, 0); @@ -275,7 +275,7 @@ static int tqmx86_gpio_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
- if (irq) { + if (irq > 0) { struct irq_chip *irq_chip = &gpio->irq_chip; u8 irq_status;