Re: [PATCH v3 2/3] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq【请注意,邮件由linux-rockchip-bounces+kever.yang=rock-chips.com@xxxxxxxxxxxxxxxxxxx代发】

From: Kever Yang
Date: Tue Oct 13 2020 - 20:30:14 EST



On 2020/10/13 下午2:37, Jianqun Xu wrote:
There need to enable pclk_gpio when do irq_create_mapping, since it will
do access to gpio controller.

Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx>
---
drivers/pinctrl/pinctrl-rockchip.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 927d132d6716..a2f361aa6d05 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -3157,7 +3157,9 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
if (!bank->domain)
return -ENXIO;
+ clk_enable(bank->clk);
virq = irq_create_mapping(bank->domain, offset);
+ clk_disable(bank->clk);
return (virq) ? : -ENXIO;
}


Looks good to me,

Reviewed-by: Kever Yang<kever.yang@xxxxxxxxxxxxxx>

Thanks,
- Kever