linux-kernel - Re: [PATCH v4 2/4] ARM: bcm2835: add rpi power domain driver

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Message-ID: <CAPDyKFp5JfHmNw+ryoAnu-0XANcxW_pyNL_GUFUw7sBQmU+WDA@mail.gmail.com>
Date:	Thu, 17 Dec 2015 17:28:20 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Eric Anholt <eric@...olt.net>
Cc:	linux-rpi-kernel@...ts.infradead.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Lee Jones <lee@...nel.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Kevin Hilman <khilman@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alexander Aring <alex.aring@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>
Subject: Re: [PATCH v4 2/4] ARM: bcm2835: add rpi power domain driver

On 17 December 2015 at 01:26, Eric Anholt <eric@...olt.net> wrote:
> From: Alexander Aring <alex.aring@...il.com>
>
> This patch adds support for several power domains on Raspberry Pi,
> including USB (so it can be enabled even if the bootloader didn't do
> it), and graphics.
>
> This patch is the combined work of Eric Anholt (who wrote USB support
> inside of the Raspberry Pi firmware driver, and wrote the non-USB
> domain support) and Alexander Aring (who separated the original USB
> work out from the firmware driver).
>
> Signed-off-by: Alexander Aring <alex.aring@...il.com>
> Signed-off-by: Eric Anholt <eric@...olt.net>
> ---
>
> v2: Add support for power domains other than USB, using the new
>     firmware interface, reword commit message (changes by Eric)
>
> v3: Restructure as a builtin driver, and drop
>     of_genpd_add_provider_onecell error handling to avoid
>     pm_genpd_exit() dependency until that API can be settled.  Clean
>     up copyright header, add missing ISP initialization, and fix typo
>     in transposer's name.
>
> v4: Move to drivers/soc/bcm/, move include to dt-bindings/soc/, set up
>     Makefile for the drivers/soc/bcm following clk/'s model.
>
>  drivers/soc/Kconfig                         |   1 +
>  drivers/soc/Makefile                        |   1 +
>  drivers/soc/bcm/Kconfig                     |   9 +
>  drivers/soc/bcm/Makefile                    |   1 +
>  drivers/soc/bcm/raspberrypi-power.c         | 247 ++++++++++++++++++++++++++++
>  include/dt-bindings/soc/raspberrypi-power.h |  41 +++++

There is currently a directory which I think may be better.
include/dt-bindings/power/*

Besides this nitpick, I think this looks good. You may add my:

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe
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