* [PATCH AUTOSEL 4.4 1/2] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq
@ 2020-11-17 12:58 Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2020-11-17 12:58 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Jianqun Xu, Heiko Stuebner, Kever Yang, Linus Walleij,
Sasha Levin, linux-gpio, linux-arm-kernel, linux-rockchip
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 616055b5e9967..eba400df82154 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -1445,7 +1445,9 @@ 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
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2020-11-17 12:58 [PATCH AUTOSEL 4.4 1/2] pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq Sasha Levin
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