Re: [PATCH 2/7] irqchip/stm32-exti: manage IMR at each mask/unmask for direct event

From: Marc Zyngier
Date: Wed May 11 2022 - 04:04:59 EST


On Tue, 10 May 2022 17:41:18 +0100,
Antonio Borneo <antonio.borneo@xxxxxxxxxxx> wrote:
>
> From: Loic Pallardy <loic.pallardy@xxxxxxxxxxx>
>
> Enable EXTI line through IMR also on direct event.

Notice how none of the words above say *anything* about mask/unmask?
What happens? What breaks? Is it a fix? If so, what does it fix?

M.

>
> Signed-off-by: Loic Pallardy <loic.pallardy@xxxxxxxxxxx>
> Signed-off-by: Antonio Borneo <antonio.borneo@xxxxxxxxxxx>
> ---
> drivers/irqchip/irq-stm32-exti.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
> index 10c9c742c216..1145f064faa8 100644
> --- a/drivers/irqchip/irq-stm32-exti.c
> +++ b/drivers/irqchip/irq-stm32-exti.c
> @@ -691,8 +691,8 @@ static struct irq_chip stm32_exti_h_chip_direct = {
> .name = "stm32-exti-h-direct",
> .irq_eoi = irq_chip_eoi_parent,
> .irq_ack = irq_chip_ack_parent,
> - .irq_mask = irq_chip_mask_parent,
> - .irq_unmask = irq_chip_unmask_parent,
> + .irq_mask = stm32_exti_h_mask,
> + .irq_unmask = stm32_exti_h_unmask,
> .irq_retrigger = irq_chip_retrigger_hierarchy,
> .irq_set_type = irq_chip_set_type_parent,
> .irq_set_wake = stm32_exti_h_set_wake,
> --
> 2.36.0
>
>

--
Without deviation from the norm, progress is not possible.