[PATCH] pinctrl: rockchip: clear int status when driver probed

Jianqun Xu jay.xu at rock-chips.com
Tue Feb 23 05:19:37 EST 2021


Some devices may do gpio interrupt trigger and make an int status before
pinctrl driver probed, then the gpio handler will keep complain untill
the device driver works to stop trigger.

Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
Signed-off-by: Jianqun Xu <jay.xu at rock-chips.com>
---
 drivers/pinctrl/pinctrl-rockchip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index aa1a1c850d05..ec4cb88572cf 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -3433,6 +3433,7 @@ static int rockchip_interrupts_register(struct platform_device *pdev,
 		 * things enabled, so for us that's all masked and all enabled.
 		 */
 		writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTMASK);
+		writel_relaxed(0xffffffff, bank->reg_base + GPIO_PORTS_EOI);
 		writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTEN);
 		gc->mask_cache = 0xffffffff;
 
-- 
2.25.1






More information about the Linux-rockchip mailing list