From: Jianqun Xu jay.xu@rock-chips.com
[ Upstream commit 63fbf8013b2f6430754526ef9594f229c7219b1f ]
There need to enable pclk_gpio when do irq_create_mapping, since it will do access to gpio controller.
Signed-off-by: Jianqun Xu jay.xu@rock-chips.com Reviewed-by: Heiko Stuebner heiko@sntech.de Reviewed-by: Kever Yangkever.yang@rock-chips.com Link: https://lore.kernel.org/r/20201013063731.3618-3-jay.xu@rock-chips.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 5d6cf024ee9c8..26974973ecdde 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2547,7 +2547,9 @@ 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; }