Re: [PATCH] [v2] pinctrl: qcom: add get_direction function

[Stephen Boyd <sboyd@xxxxxxxxxxxxxx>]

On 02/10/2017 03:39 PM, Timur Tabi wrote:
> The get_direction callback function allows gpiolib to know the current
> direction (input vs output) for a given GPIO.
>
> This is particularly useful on ACPI systems, where the GPIOs are
> configured only by firmware (typically UEFI), so the only way to
> know the initial values to query the hardware directly.  Without
> this function, gpiolib thinks that all GPIOs are configured for
> input.
>
> Signed-off-by: Timur Tabi <timur@xxxxxxxxxxxxxx>

Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>

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