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Subject[PATCH] irqchip/stm32: fix non-SMP build warning
Date
Without CONFIG_SMP, we get a harmless compile-time warning:

drivers/irqchip/irq-stm32-exti.c:495:12: error: 'stm32_exti_h_set_affinity' defined but not used [-Werror=unused-function]

The #ifdef is inconsistent here, and it's better to use an IS_ENABLED() check
that lets the compiler silently drop that function.

Fixes: 927abfc4461e ("irqchip/stm32: Add stm32mp1 support with hierarchy domain")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/irqchip/irq-stm32-exti.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 5089c1e2838d..3a7e8905a97e 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -552,9 +552,7 @@ static struct irq_chip stm32_exti_h_chip = {
.irq_set_type = stm32_exti_h_set_type,
.irq_set_wake = stm32_exti_h_set_wake,
.flags = IRQCHIP_MASK_ON_SUSPEND,
-#ifdef CONFIG_SMP
- .irq_set_affinity = stm32_exti_h_set_affinity,
-#endif
+ .irq_set_affinity = IS_ENABLED(CONFIG_SMP) ? stm32_exti_h_set_affinity : NULL,
};

static int stm32_exti_h_domain_alloc(struct irq_domain *dm,
--
2.9.0
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