pinctrl: stm32: Manage irq affinity settings

[ Upstream commit 4c5cc2f65386e22166ce006efe515c667aa075e4 ]

Trying to set the affinity of the interrupts associated to stm32
pinctrl results in a write error.

Fill struct irq_chip::irq_set_affinity to use the default helper
function.

Signed-off-by: Cheick Traore <cheick.traore@foss.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Link: https://lore.kernel.org/20250610143042.295376-3-antonio.borneo@foss.st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 84121b125d90ed9f7e28c9857c7ae4dbc5508a52..67c2791ee246f526755977f9be5a3d19e3e386f5 100644 (file)
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -418,6 +418,7 @@ static struct irq_chip stm32_gpio_irq_chip = {
        .irq_set_wake   = irq_chip_set_wake_parent,
        .irq_request_resources = stm32_gpio_irq_request_resources,
        .irq_release_resources = stm32_gpio_irq_release_resources,
+       .irq_set_affinity = IS_ENABLED(CONFIG_SMP) ? irq_chip_set_affinity_parent : NULL,
 };
 
 static int stm32_gpio_domain_translate(struct irq_domain *d,