Re: [PATCH v13 02/13] gpiolib: regmap: add GPIO_REGMAP_QUIRK_SET_AFTER_DIR
From: Michael Walle
Date: Mon Nov 02 2026 - 03:35:59 EST
On Mon Nov 2, 2026 at 7:45 AM CET, Long Zhao via B4 Relay wrote:
> From: Long Zhao <longzhao@xxxxxxxxxxxxx>
>
> Some controllers ignore output writes while a line is still an input.
> Add a behaviour flag so the output value is written after the direction
> change. This is a legacy quirk. New hardware must not use it.
>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Reviewed-by: Michael Walle <mwalle@xxxxxxxxxx>
> Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>
> Signed-off-by: Long Zhao <longzhao@xxxxxxxxxxxxx>
Nitpick, if you'll send a new version: I've just noticed the
subject. It should be "gpio: regmap:" not gpiolib.
-michael
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