linux-kernel - Re: [PATCH RESEND 2/2] gpio: axp209: add pinctrl support

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Date:   Fri, 25 Nov 2016 16:17:04 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     linus.walleij@...aro.org, gnurou@...il.com, robh+dt@...nel.org,
        mark.rutland@....com, wens@...e.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH RESEND 2/2] gpio: axp209: add pinctrl support

Hi,

On Wed, Nov 23, 2016 at 03:11:51PM +0100, Quentin Schulz wrote:
> The GPIOs present in the AXP209 PMIC have multiple functions. They
> typically allow a pin to be used as GPIO input or output and can also be
> used as ADC or regulator for example.[1]
> 
> This adds the possibility to use all functions of the GPIOs present in
> the AXP209 PMIC thanks to pinctrl subsystem.
> 
> [1] see registers 90H, 92H and 93H at
>     http://dl.linux-sunxi.org/AXP/AXP209_Datasheet_v1.0en.pdf
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>

I've said it already face to face, but ideally you should split that
patch into logical changes.

I can see here at least three:
  - Adding the pinctrl features
  - Renaming the structure and functions
  - Removal of a few functions

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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