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authorJianqun Xu <jay.xu@rock-chips.com>2020-10-13 14:37:30 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-24 13:03:00 +0100
commitdbb9ea89a40f08fe5afc12b8eb9396784d1b49de (patch)
treecb0859bb8181462e91909cb1a27dad01912b4d3e
parent06e2132572229678c024f338617cdacf078f7d00 (diff)
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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@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>
-rw-r--r--drivers/pinctrl/pinctrl-rockchip.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 417cd3bd7e0c..ee2dcea1e54b 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;
}