[PATCH] pinctrl: rockchip: clear int status when driver probed
Heiko Stübner
heiko at sntech.de
Tue Feb 23 05:24:07 EST 2021
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 at rock-chips.com>
> Signed-off-by: Jianqun Xu <jay.xu at rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko at sntech.de>
> ---
> 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;
>
>
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