Re: [PATCH v3 1/2] gpio: regmap: Support sparsed fixed direction

From: Michael Walle

Date: Tue May 12 2026 - 02:57:20 EST


On Mon May 11, 2026 at 9:43 PM CEST, Linus Walleij wrote:
> On some regmapped GPIOs apparently only a sparser selection
> of the lines (not all) are actually fixed direction.
>
> Support this situation by adding an optional bitmap indicating
> which GPIOs are actually fixed direction and which are not.
>
> Cc: Alex Elder <elder@xxxxxxxxxxxx>
> Link: https://lore.kernel.org/linux-gpio/20260501155421.3329862-10-elder@xxxxxxxxxxxx/
> Tested-by: Alex Elder <elder@xxxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linusw@xxxxxxxxxx>

Reviewed-by: Michael Walle <mwalle@xxxxxxxxxx>

-michael

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