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gpio: tqmx86: really make IRQ optional

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[ 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: b868db94a6 ("gpio: tqmx86: Add GPIO from for this IO controller")
Signed-off-by: Matthias Schiffer <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Bartosz Golaszewski <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Matthias Schiffer 2021-07-16 12:00:47 +02:00 • committed by Greg Kroah-Hartman
commit de30346dd3
1 changed files with 3 additions and 3 deletions
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6
drivers/gpio/gpio-tqmx86.c
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@ -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;