Re: [PATCH] gpiolib-acpi: Preserve non direction flags when updating gpiod_flags

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On Sun, Dec 30, 2018 at 06:29:44PM +0100, Hans de Goede wrote:
> __acpi_gpio_update_gpiod_flags purpose is to make the gpiod_flags used
> when requesting a GPIO match the restrictions from the ACPI resource,
> as stored in acpi_gpio_info.flags.
> 
> But acpi_gpio_info.flags only contains direction info, and the
> requester may have passed in special non-direction flags like
> GPIOD_FLAGS_BIT_NONEXCLUSIVE, which we currently clobber.
> 
> This commit modifies __acpi_gpio_update_gpiod_flags to preserve these
> special flags, so that a requested of an ACPI GPIO can e.g. pass
> GPIOD_FLAGS_BIT_NONEXCLUSIV and have it work as intended.
> 
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>



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