linux-kernel - Re: [PATCH v2 0/6] exynos: Move pmu driver to driver/soc folder and add exynos7 support

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Date:	Wed, 19 Nov 2014 17:04:13 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	amit daniel kachhap <amit.daniel@...sung.com>
CC:	Kukjin Kim <kgene.kim@...sung.com>,
	Olof Johansson <olof@...om.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Lee Jones <lee.jones@...aro.org>,
	LAK <linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH v2 0/6] exynos: Move pmu driver to driver/soc folder and
 add exynos7 support

On 11/13/14 17:56, amit daniel kachhap wrote:
> On Sat, Nov 8, 2014 at 6:46 PM, Amit Daniel Kachhap
> <amit.daniel@...sung.com> wrote:
>> This patch series[1 - 6] performs,
>>
>> 1) Moves pmu driver to driver/soc/samsung folder. Some discussion happened about
>>    this in the v1 version. Finally adding it in driver/soc folder as it too SoC
>>    specific and not a general driver. Entire discussion can be found here (A).
>> 2) Registers this driver as MFD client driver. This will be used by clients like exynos pm
>>    sleep and pm domain driver.
>> 3) Add exynos7 PMU support.
>>
>> Changes from V1:
>> * Move pmu driver in driver/soc/samsung folder
>> * Removed the power domain features. They will posted as a separate series.
>> * Added exynos7 PMU support.
>> * Link to v1 can be found here (B)
>>
>> This patch has dependency on following patches posted earlier by Pankaj (C),
>> which is accepted by maintainer.
>>
>> Patch 6 was earlier posted by Abhilash (D) which has been reposted here with some
>> extra changes.
>>
>> This complete patch series is rebased on linux-next.
>>
>> (A) - http://www.spinics.net/lists/linux-samsung-soc/msg38444.html
>> (B) - http://www.spinics.net/lists/linux-samsung-soc/msg38442.html
>> (C) - https://lkml.org/lkml/2014/10/6/581
>> (D) - http://www.spinics.net/lists/arm-kernel/msg358230.html
>>
>> Amit Daniel Kachhap (6):
>>   ARM: EXYNOS: Move pmu specific header files under "linux/soc/samsung"
>>   drivers: soc: Add support for Exynos PMU driver
>>   drivers: soc: samsung: Fix a spelling mistake
>>   soc: samsung: exynos-pmu: Register exynos-pmu driver as a mfd driver
>>   driver: soc: exynos-pmu: Add an API to be called after wakeup
>>   drivers: soc: samsung: Add support for Exynos7 pmu
>>
>>  .../devicetree/bindings/arm/samsung/pmu.txt        |    1 +
>>  arch/arm/mach-exynos/Makefile                      |    2 +-
>>  arch/arm/mach-exynos/exynos.c                      |    2 +-
>>  arch/arm/mach-exynos/mcpm-exynos.c                 |    2 +-
>>  arch/arm/mach-exynos/platsmp.c                     |    2 +-
>>  arch/arm/mach-exynos/pm.c                          |    4 +-
>>  arch/arm/mach-exynos/regs-pmu.h                    |  335 -----------
>>  arch/arm/mach-exynos/suspend.c                     |    3 +-
>>  drivers/soc/Kconfig                                |    1 +
>>  drivers/soc/Makefile                               |    1 +
>>  drivers/soc/samsung/Kconfig                        |   19 +
>>  drivers/soc/samsung/Makefile                       |    1 +
>>  .../pmu.c => drivers/soc/samsung/exynos-pmu.c      |  471 ++++++++++++++-
> 
> Hi Olof/Kukjin,
> 
> I am not sure that driver/soc/samsung/* shall go in whose tree.
> I am preparing the next version so if any comment from your side
> please let me know.
> 
In my opinion, it should be sent out via samsung tree because some PM
related changes are in samsung tree and I'd like to apply exynos7 stuff
in samsung tree as well... Please make sure your patches are based on
top of samsung tree.

- Kukjin

> Regards,
> Amit
> 
>>  .../linux/soc/samsung}/exynos-pmu.h                |    6 +
>>  include/linux/soc/samsung/exynos-regs-pmu.h        |  608 ++++++++++++++++++++
>>  15 files changed, 1109 insertions(+), 349 deletions(-)
>>  delete mode 100644 arch/arm/mach-exynos/regs-pmu.h
>>  create mode 100644 drivers/soc/samsung/Kconfig
>>  create mode 100644 drivers/soc/samsung/Makefile
>>  rename arch/arm/mach-exynos/pmu.c => drivers/soc/samsung/exynos-pmu.c (50%)
>>  rename {arch/arm/mach-exynos => include/linux/soc/samsung}/exynos-pmu.h (78%)
>>  create mode 100644 include/linux/soc/samsung/exynos-regs-pmu.h
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