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gpiolib: remove unneeded WARN_ON() from gpiochip_set_multiple()

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GPIO drivers are not required to support set_multiple() - the core will
fallback to calling set() for each line if it's missing. Remove the
offending check from gpiochip_set_multiple().

Fixes: 98ce1eb1fd ("gpiolib: introduce gpio_chip setters that return values")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Closes: https://lore.kernel.org/all/ab3e42c0-70fa-48e0-ac93-ecbffef63507@samsung.com/
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250227152831.59784-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-02-27 16:28:31 +01:00
parent cc76847bf3
commit 8014097f14
1 changed files with 0 additions and 3 deletions
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3
drivers/gpio/gpiolib.c
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@ -3604,9 +3604,6 @@ static int gpiochip_set_multiple(struct gpio_chip *gc,
lockdep_assert_held(&gc->gpiodev->srcu);
if (WARN_ON(unlikely(!gc->set_multiple && !gc->set_multiple_rv)))
return -EOPNOTSUPP;
if (gc->set_multiple_rv) {
ret = gc->set_multiple_rv(gc, mask, bits);
if (ret > 0)