| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 19/47] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq | Date | Mon, 23 Nov 2020 13:22:05 +0100 |
| |
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 Yang<kever.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 417cd3bd7e0c9..ee2dcea1e54b9 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1815,7 +1815,9 @@ 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; } -- 2.27.0
|