[PATCH v3 2/3] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq
From: Jianqun Xu <hidden>
Date: 2020-10-13 06:44:06
Also in:
linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, pin control subsystem, the rest · Maintainers:
Heiko Stuebner, Linus Walleij, Linus Torvalds
There need to enable pclk_gpio when do irq_create_mapping, since it will do access to gpio controller. Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Jianqun Xu <redacted> --- 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; }
--
2.17.1