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

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Date:	Mon, 08 Apr 2013 21:02:44 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'amit daniel kachhap' <amit.daniel@...sung.com>,
	"'Rafael J. Wysocki'" <rjw@...k.pl>
Cc:	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

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.

Thanks.

- Kukjin

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