diff mbox series

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

Message ID 20210127104617.1173-4-nikita.shubin@maquefel.me
State Superseded
Headers show
Series gpiolib: warning on gpiochip->to_irq defined | expand

Commit Message

Nikita Shubin Jan. 27, 2021, 10:46 a.m. UTC
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>
---
 drivers/gpio/gpio-ep93xx.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Alexander Sverdlin Jan. 28, 2021, 10:15 a.m. UTC | #1
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.
diff mbox series

Patch

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);