linux-kernel - Re: [PATCH V5 0/4] cpufreq: exynos5440: support for cpufreq driver

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Message-ID: <1403255.89Vcuzrghk@vostro.rjw.lan>
Date:	Mon, 08 Apr 2013 21:49:33 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Kukjin Kim <kgene.kim@...sung.com>
Cc:	'amit daniel kachhap' <amit.daniel@...sung.com>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	'Thomas Abraham' <thomas.abraham@...aro.org>,
	cpufreq@...r.kernel.org,
	'Inderpal Singh' <inderpal.singh@...aro.org>,
	'Viresh Kumar' <viresh.kumar@...aro.org>,
	'Sylwester Nawrocki' <s.nawrocki@...sung.com>,
	'Russell King - ARM Linux' <linux@....linux.org.uk>
Subject: Re: [PATCH V5 0/4] cpufreq: exynos5440: support for cpufreq driver

On Monday, April 08, 2013 09:02:44 PM Kukjin Kim wrote:
> amit daniel kachhap wrote:
> > 
> > On Fri, Apr 5, 2013 at 6:08 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > > On Thursday, March 28, 2013 01:35:18 PM Amit Daniel Kachhap wrote:
> > >> Submitting the V5 version of exynos5440 cpufreq driver. This patchset
> > addresses
> > >> all the coding and design concerns raised especially by Viresh.
> > >>
> > >> Changes in V5:
> > >> * Removed the unnecessary DT look up entry from mach-exynos5-dt.c.
> > >> * Fixed all coding and comments issue raised by Viresh.
> > >>
> > >> Changes in V4:
> > >> * Added dev_err logs instead of pr_err.
> > >> * Used the devm_ioremap_resource API.
> > >> * Implemented several coding guidelines and minor error comments from
> > Sylwester,
> > >>   Russell and Viresh.
> > >>
> > >> Changes in V3:
> > >> * Converted the driver to probe based as suggested by Viresh. This is
> > also
> > >>   beneficial for multiplatform kernel.
> > >> * Other coding guidelines related changes.
> > >> * Moved the DT node outside cpu0 node as the driver is now a platform
> > >>   driver.
> > >>
> > >> Changes in V2:
> > >> * Added OPP library support to parse DT parameters.
> > >> * Removed a hack to handle interrupts in bootup.
> > >> * Implemented other review comments from Viresh and Inder.
> > >>
> > >> All these patches are dependent on Thomas Abraham common clock patches.
> > >> (http://www.mail-archive.com/linux-samsung-
> > soc@...r.kernel.org/msg15860.html)
> > >> This whole patch series is based on 3.9-rc4.
> > >>
> > >> Amit Daniel Kachhap (4):
> > >>   cpufreq: exynos: Add cpufreq driver for exynos5440
> > >>   cpufreq: exynos: Remove error return even if no soc is found
> > >>   arm: exynos: Enable OPP library support for exynos5440
> > >>   arm: dts: Add cpufreq controller node for Exynos5440 SoC
> > >>
> > >>  .../bindings/cpufreq/cpufreq-exynos5440.txt        |   28 ++
> > >>  arch/arm/boot/dts/exynos5440.dtsi                  |   12 +
> > >>  arch/arm/mach-exynos/Kconfig                       |    2 +
> > >>  drivers/cpufreq/Kconfig.arm                        |    9 +
> > >>  drivers/cpufreq/Makefile                           |    1 +
> > >>  drivers/cpufreq/exynos-cpufreq.c                   |    2 +-
> > >>  drivers/cpufreq/exynos5440-cpufreq.c               |  474
> > ++++++++++++++++++++
> > >>  7 files changed, 527 insertions(+), 1 deletions(-)
> > >>  create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-
> > exynos5440.txt
> > >>  create mode 100644 drivers/cpufreq/exynos5440-cpufreq.c
> > >
> > > Is this for me or the Samsung tree?
> > >
> > > If it's for me, I need ACKs from the Samsung tree maintainers.  Also,
> > please
> > > address the Viresh's comments.
> > >
> > > Thanks,
> > > Rafael
> > >
> > Hi Rafael,
> > 
> > I submitted the V6 version with all comments from Viresh addressed.
> > 
> > Hi Kukjin Kim,
> > 
> > Any suggestion on how this patch should be merged. In my opinion it
> > should go via Rafael's tree as this patch uses some fixes present in
> > Rafael's tree like modified cpufreq_notify_transition API.
> > 
> Yes, I agree. The v6 series including resending 1/4 patch looks good to me.
> But the patch V6 4/4 would be sent to upstream via samsung tree to avoid
> useless merge conflicts and I think, it's possible.
> 
> So Rafael, please take 1/4 ~ 3/4 patches in your tree with my ack.
> 
> Acked-by: Kukjin Kim <kgene.kim@...sung.com>
> 
> If any problems, please let me know.

I will, thank you!

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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