linux-kernel - [PATCH V2 0/6] mfd: tp6586x: enhancements in the driver

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Date:	Mon, 16 Jul 2012 12:21:44 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	<grant.likely@...retlab.ca>, <linus.walleij@...ricsson.com>,
	<sameo@...ux.intel.com>
CC:	<linux-kernel@...r.kernel.org>, <swarren@...dia.com>,
	<broonie@...nsource.wolfsonmicro.com>,
	Laxman Dewangan <ldewangan@...dia.com>
Subject: [PATCH V2 0/6] mfd: tp6586x: enhancements in the driver

Doing some enhancements in the tps6586x core driver which is
based on some recent driver framework enhancements.
Following are highlights of changes:
- Use devm for allocation to remove the code for freeing it.
- Use regmap i2c for register access in place of direct i2c apis.
  This will give the debug fs and cache functionality through regmap
  framework.
- Use the regmap caching for some fo register in place of local
  implementation.
- Move the gpio support driver to the drivers/gpio and implement it as
  platform driver. The registration will be done as mfd sub devices.


Changes V1 -> V2:
- Remove the unnecessariy header inclusion in the gpio-tps6586x.
- To avoid bisect functionality break, grep the user of tps6586x and
  found that tegra_defconfig is only using this. Added the
  GPIO_TPS6586x in config variable on this series.
  This results 6 patch on this series.

Laxman Dewangan (6):
  mfd: tps6586x:use devm managed resources
  mfd: Use regmap for tps6586x register access.
  mfd: tps6586x: cache register through regmap
  gpio: tps6586x: add gpio support through platform driver
  ARM: tegra: defconfig: enable tps6586x gpio
  mfd: tps6586x: remove gpio support from core driver

 arch/arm/configs/tegra_defconfig |    1 +
 drivers/gpio/Kconfig             |    7 +
 drivers/gpio/Makefile            |    1 +
 drivers/gpio/gpio-tps6586x.c     |  158 ++++++++++++++++++++
 drivers/mfd/Kconfig              |    3 +-
 drivers/mfd/tps6586x.c           |  301 +++++++++++---------------------------
 6 files changed, 256 insertions(+), 215 deletions(-)
 create mode 100644 drivers/gpio/gpio-tps6586x.c

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