[PATCH v1 3/5] gpio: rockchip: Set input direction in irq_request_resources

Ye Zhang posted 5 patches 1 year, 5 months ago
There is a newer version of this series
[PATCH v1 3/5] gpio: rockchip: Set input direction in irq_request_resources
Posted by Ye Zhang 1 year, 5 months ago
Set input direction to avoid FLAG_IS_OUT in gpiochip_lock_as_irq

Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
---
 drivers/gpio/gpio-rockchip.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index b2f26a16b1f6..8949324ed816 100644
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -475,6 +475,8 @@ static int rockchip_irq_reqres(struct irq_data *d)
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	struct rockchip_pin_bank *bank = gc->private;
 
+	rockchip_gpio_direction_input(&bank->gpio_chip, d->hwirq);
+
 	return gpiochip_reqres_irq(&bank->gpio_chip, d->hwirq);
 }
 
-- 
2.34.1
Re: [PATCH v1 3/5] gpio: rockchip: Set input direction in irq_request_resources
Posted by Bartosz Golaszewski 1 year, 5 months ago
On Thu, Aug 15, 2024 at 9:17 AM Ye Zhang <ye.zhang@rock-chips.com> wrote:
>
> Set input direction to avoid FLAG_IS_OUT in gpiochip_lock_as_irq
>

That I can tell from the code. The commit message should say *why*
you're doing something.

Bart

> Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> ---
>  drivers/gpio/gpio-rockchip.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
> index b2f26a16b1f6..8949324ed816 100644
> --- a/drivers/gpio/gpio-rockchip.c
> +++ b/drivers/gpio/gpio-rockchip.c
> @@ -475,6 +475,8 @@ static int rockchip_irq_reqres(struct irq_data *d)
>         struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
>         struct rockchip_pin_bank *bank = gc->private;
>
> +       rockchip_gpio_direction_input(&bank->gpio_chip, d->hwirq);
> +
>         return gpiochip_reqres_irq(&bank->gpio_chip, d->hwirq);
>  }
>
> --
> 2.34.1
>