Re: [Patch v6 1/2] gpio: add GPIO hogging mechanism

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Mon, Feb 2, 2015 at 6:44 PM, Benoit Parrot <bparrot@xxxxxx> wrote:

> Based on Boris Brezillion's work this is a reworked patch
> of his initial GPIO hogging mechanism.
> This patch provides a way to initially configure specific GPIO
> when the GPIO controller is probed.
>
> The actual DT scanning to collect the GPIO specific data is performed
> as part of gpiochip_add().
>
> The purpose of this is to allow specific GPIOs to be configured
> without any driver specific code.
> This is particularly useful because board design are getting
> increasingly complex and given SoC pins can now have more
> than 10 mux values, a lot of connections are now dependent on
> external IO muxes to switch various modes.
>
> Specific drivers should not necessarily need to be aware of
> what accounts to a specific board implementation. This board level
> "description" should be best kept as part of the dts file.
>
> Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
> Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>

Patch applied.

Good to have this in place for Linux 4.1!

Yours,
Linus Walleij
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