Re: [PATCH v2 2/3] gpiolib: replace the GPIO device mutex with a read-write semaphore

[Linus Walleij]

On Tue, Jan 2, 2024 at 4:59 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:

> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> There are only two spots where we modify (add to or remove objects from)
> the GPIO device list. Readers should be able to access it concurrently.
> Replace the mutex with a read-write semaphore and adjust the locking
> operations accordingly.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

Looks correct to me.
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij