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Gatien Chevallier 7959deaabe pinctrl: stm32: handle semaphore acquisition when handling pinctrl/pinmux

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@foss.st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2025-11-10 23:59:00 +01:00

Kconfig

pinctrl: stm32: Introduce HDP driver

2025-07-14 17:50:58 +02:00

Makefile

pinctrl: stm32: Introduce HDP driver

2025-07-14 17:50:58 +02:00

pinctrl-stm32-hdp.c

Merge tag 'pinctrl-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

2025-10-01 13:14:48 -07:00

pinctrl-stm32.c

pinctrl: stm32: handle semaphore acquisition when handling pinctrl/pinmux