irqchip/stm32-exti: Fix irq_set_affinity return value

ludovicbarre · Marc Zyngier · commit 3e17683ff4a8 · 2022-07-07T09:07:44.000+01:00
When there is no parent, there is no specific action to do in stm32-exti irqchip. In such case, it's incorrect returning an error. Let irq_set_affinity to return IRQ_SET_MASK_OK_DONE when there is no parent. Signed-off-by: Ludovic Barre <ludovic.barre@foss.st.com> Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220606162757.415354-2-antonio.borneo@foss.st.com
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
@@ -614,7 +614,7 @@ static int stm32_exti_h_set_affinity(struct irq_data *d,
 	if (d->parent_data->chip)
 		return irq_chip_set_affinity_parent(d, dest, force);
 
-	return -EINVAL;
+	return IRQ_SET_MASK_OK_DONE;
 }
 
 static int __maybe_unused stm32_exti_h_suspend(void)

Original file line number	Diff line number	Diff line change
`@@ -614,7 +614,7 @@ static int stm32_exti_h_set_affinity(struct irq_data *d,`
`614`	`614`	`if (d->parent_data->chip)`
`615`	`615`	`return irq_chip_set_affinity_parent(d, dest, force);`
`616`	`616`
`617`		`- return -EINVAL;`
	`617`	`+ return IRQ_SET_MASK_OK_DONE;`
`618`	`618`	`}`
`619`	`619`
`620`	`620`	`static int __maybe_unused stm32_exti_h_suspend(void)`