[PATCH] irqchip/stm32: fix return value of stm32_exti_h_set_affinity

[Ludovic BARRE]

Hi Marc

Just a gentleman ping about this patch.
I verified, you could always apply this patch on linux master branch.

Regards
Ludo

Le 6/12/20 à 9:29 AM, Ludovic Barre a écrit :
> exti hardware point of view, there is no specific action on set_affinity.
> So the affinity must be forwarded to parent if there is a
> descendent irqchips, otherwise just return IRQ_SET_MASK_OK_DONE.
> 
> Signed-off-by: Ludovic Barre <ludovic.barre at st.com>
> ---
>   drivers/irqchip/irq-stm32-exti.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
> index faa8482c8246..1a0a60ee7140 100644
> --- a/drivers/irqchip/irq-stm32-exti.c
> +++ b/drivers/irqchip/irq-stm32-exti.c
> @@ -555,7 +555,7 @@ 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)
>