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authorMatthias Schiffer <matthias.schiffer@ew.tq-group.com>2021-07-16 12:00:47 +0200
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2021-08-02 17:17:27 +0200
commit9b87f43537acfa24b95c236beba0f45901356eb2 (patch)
tree8d6641dc63d9187814b0c3dfc4e2a196deb1c1f2 /drivers/gpio/gpio-tqmx86.c
parentec7099fdea8025988710ee6fecfd4e4210c29ab5 (diff)
downloadlwn-9b87f43537acfa24b95c236beba0f45901356eb2.tar.gz
lwn-9b87f43537acfa24b95c236beba0f45901356eb2.zip
gpio: tqmx86: really make IRQ optional
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>
Diffstat (limited to 'drivers/gpio/gpio-tqmx86.c')
-rw-r--r--drivers/gpio/gpio-tqmx86.c6
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;