gpio: cdev: update flags at once when reconfiguring from user-space

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Make updating the descriptor flags when reconfiguring from user-space
consistent with the rest of the codebase: read the current state
atomically, update it according to user's instructions and write it back
atomically as well.

Reviewed-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20241004-gpio-notify-in-kernel-events-v1-3-8ac29e1df4fe@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

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Bartosz Golaszewski 2024-10-04 16:43:24 +02:00

parent fa17f749ee

commit b7adfb6076

1 changed files with 44 additions and 36 deletions

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drivers/gpio/gpiolib-cdev.c

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