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gpio fixes for v6.8-rc6

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- fix a use-case where no pins are mapped to GPIOs in
   gpiochip_generic_config()
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Merge tag 'gpio-fixes-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fix from Bartosz Golaszewski:

 - fix a use-case where no pins are mapped to GPIOs in
   gpiochip_generic_config()

* tag 'gpio-fixes-for-v6.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: Handle no pin_ranges in gpiochip_generic_config()
This commit is contained in:
Linus Torvalds 2024-02-23 09:01:35 -08:00
commit 9cd42be825
1 changed files with 5 additions and 0 deletions
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5
drivers/gpio/gpiolib.c
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@ -2042,6 +2042,11 @@ EXPORT_SYMBOL_GPL(gpiochip_generic_free);
int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset,
unsigned long config)
{
#ifdef CONFIG_PINCTRL
if (list_empty(&gc->gpiodev->pin_ranges))
return -ENOTSUPP;
#endif
return pinctrl_gpio_set_config(gc, offset, config);
}
EXPORT_SYMBOL_GPL(gpiochip_generic_config);