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| author | Matthias Schiffer <matthias.schiffer@ew.tq-group.com> | 2021-07-16 12:00:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-12 13:22:06 +0200 |
| commit | 1242ca9369b17e1c67e570e9c8a397989d113683 (patch) | |
| tree | d321319d47ed7f797a826bc8a4871057bfc5c54a /drivers/gpio | |
| parent | 4ef549dc9c1aac8d3b9180070fce1b4259c957e7 (diff) | |
| download | linux-stable-1242ca9369b17e1c67e570e9c8a397989d113683.tar.gz linux-stable-1242ca9369b17e1c67e570e9c8a397989d113683.tar.bz2 linux-stable-1242ca9369b17e1c67e570e9c8a397989d113683.zip | |
gpio: tqmx86: really make IRQ optional
[ 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>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-tqmx86.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c index 5022e0ad0fae..0f5d17f343f1 100644 --- a/drivers/gpio/gpio-tqmx86.c +++ b/drivers/gpio/gpio-tqmx86.c @@ -238,8 +238,8 @@ 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); @@ -278,7 +278,7 @@ 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; |