Re: [PATCH] pinctrl: rockchip: clear int status when driver probed

[Heiko Stübner <heiko@xxxxxxxxx>]

Am Dienstag, 23. Februar 2021, 11:19:37 CET schrieb Jianqun Xu:
> Some devices may do gpio interrupt trigger and make an int status before
> pinctrl driver probed, then the gpio handler will keep complain untill
> the device driver works to stop trigger.
> 
> Signed-off-by: Ziyuan Xu <xzy.xu@xxxxxxxxxxxxxx>
> Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx>

Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>

> ---
>  drivers/pinctrl/pinctrl-rockchip.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
> index aa1a1c850d05..ec4cb88572cf 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -3433,6 +3433,7 @@ static int rockchip_interrupts_register(struct platform_device *pdev,
>  		 * things enabled, so for us that's all masked and all enabled.
>  		 */
>  		writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTMASK);
> +		writel_relaxed(0xffffffff, bank->reg_base + GPIO_PORTS_EOI);
>  		writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTEN);
>  		gc->mask_cache = 0xffffffff;
>  
>