linux-kernel - [PATCH V6 0/4] cpufreq: exynos5440: support for cpufreq driver

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Message-Id: <1365409058-32643-1-git-send-email-amit.daniel@samsung.com>
Date:	Mon,  8 Apr 2013 13:47:34 +0530
From:	Amit Daniel Kachhap <amit.daniel@...sung.com>
To:	linux-pm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Kukjin Kim <kgene.kim@...sung.com>,
	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: [PATCH V6 0/4] cpufreq: exynos5440: support for cpufreq driver

Submitting the V6 version of exynos5440 cpufreq driver. This patchset addresses
all the coding and design concerns raised especially by Viresh.

Changes in V6:
* Used cpufreq post-change notifier call back in case of failure as pointed by
  Viresh.
* Called cpufreq_frequency_table_cpuinfo before calling
  cpufreq_frequency_table_get_attr as pointed by Viresh.
* Used modified API cpufreq_notify_transition.

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@vger.kernel.org/msg15860.html)
This whole patch series is based on Rafael tree.
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge

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               |  479 ++++++++++++++++++++
 7 files changed, 532 insertions(+), 1 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-exynos5440.txt
 create mode 100644 drivers/cpufreq/exynos5440-cpufreq.c

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