This is a note to let you know that I've just added the patch titled pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pinctrl-rockchip-enable-gpio-pclk-for-rockchip_gpio_.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a500b0e95f89afe71eb22b18b1c810a6018fe67d Author: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx> Date: Tue Oct 13 14:37:30 2020 +0800 pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq [ 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@xxxxxxxxxxxxxx> Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx> Reviewed-by: Kever Yang<kever.yang@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201013063731.3618-3-jay.xu@xxxxxxxxxxxxxx Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 1bd8840e11a6e..930edfc32f597 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2811,7 +2811,9 @@ 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; }