[PATCH] pinctrl: stm32: handle semaphore acquisition when handling pinctrl/pinmux

[Linus Walleij]

On Wed, Nov 5, 2025 at 11:50 AM Gatien Chevallier
<gatien.chevallier at foss.st.com> wrote:

> When a GPIO RIF configuration is in semaphore mode, and the semaphore
> hasn't been taken before configuring the GPIO, the write operations
> silently fail.
>
> To avoid a silent fail when applying a pinctrl, if the pins that are
> being configured are in semaphore mode, take the semaphore. Note that
> there is no proper release of the RIF semaphore yet for pinctrl.
>
> Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>

Patch applied.

Yours,
Linus Walleij