[PATCH] pinctrl: rockchip: Enhance support for IRQ_TYPE_EDGE_BOTH

Linus Walleij linus.walleij at linaro.org
Mon Aug 22 02:03:08 PDT 2022


On Mon, Aug 8, 2022 at 4:53 AM João H. Spies <jhlspies at gmail.com> wrote:

> Switching between falling/rising edges for IRQ_TYPE_EDGE_BOTH on pins that
> require debounce can cause the device to lose events due to a desync
> between pin state and irq type.
>
> This problem is resolved by switching between IRQ_TYPE_LEVEL_LOW and
> IRQ_TYPE_LEVEL_HIGH instead.
>
> Fixes: 936ee26 ("gpio/rockchip: add driver for rockchip gpio")
> Signed-off-by: João H. Spies <jhlspies at gmail.com>

No reaction from maintainers so I'm just gonna assume this fix is
correct and applied for fixes.

Yours,
Linus Walleij



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