Re: [PATCH v2 3/9] gpio: ep93xx: Fix wrong irq numbers in port F

Alexander Sverdlin
2021-01-28T10:16:56Z

Hi!

On Wed, 2021-01-27 at 13:46 +0300, Nikita Shubin wrote:
> Port F irq's should be statically mapped to EP93XX_GPIO_F_IRQ_BASE.
>
> So we need to specify girq->first otherwise:
>
> "If device tree is used, then first_irq will be 0 and
> irqs get mapped dynamically on the fly"
>
> And that's not the thing we want.
>
> Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

I have no code out-of-the-box to test the GPIO interrupts on EP93xx,
so I just did a bootup with this patch. But the change looks fine to
me:

Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>

> ---
>  drivers/gpio/gpio-ep93xx.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c
> index 2eea02c906e0..9c3d049e5af7 100644
> --- a/drivers/gpio/gpio-ep93xx.c
> +++ b/drivers/gpio/gpio-ep93xx.c
> @@ -430,6 +430,7 @@ static int ep93xx_gpio_add_bank(struct gpio_chip
> *gc,
>                 girq->default_type = IRQ_TYPE_NONE;
>                 girq->handler = handle_level_irq;
>                 gc->to_irq = ep93xx_gpio_f_to_irq;
> +               girq->first = EP93XX_GPIO_F_IRQ_BASE;
>         }
>
>         return devm_gpiochip_add_data(dev, gc, epg);

--
Alexander Sverdlin.