linux-kernel - [RFCv3 0/7] Convert twl4030-madc to IIO API and add DT support

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Message-Id: <1393374270-20079-1-git-send-email-sre@debian.org>
Date:	Wed, 26 Feb 2014 01:24:23 +0100
From:	Sebastian Reichel <sre@...ian.org>
To:	Sebastian Reichel <sre@...g0.de>,
	Marek Belisko <marek@...delico.com>,
	Jonathan Cameron <jic23@...nel.org>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org, Sebastian Reichel <sre@...ian.org>
Subject: [RFCv3 0/7] Convert twl4030-madc to IIO API and add DT support

Hi,

This is RFCv3 for converting twl4030-madc to the IIO API and
adding DT support. The patchset compiles and has been tested
on my Nokia N900.

Changes since RFCv2:
 * Use "--find-renames" for the move from mfd/ to iio/adc/ ;)
 * Added Acked-by from Lee Jones (MFD subsystem maintainer)
 * Fixed issue found by Joe Perches
  - twl4030_madc_request.do_avg should be bool instead of u16
 * Fixed issues found by Peter Meerwald
  - some style issues (e.g. /** instead of /*)
  - typos
  - usage of u16 read/write
 * Tested with converted rx51-battery driver on Nokia N900

TODO:
 * Remove twl4030-madc-hwmon in favour of iio-hwmon
   This driver is currently only used by board-omap3beagle.c
   and board-rx51-peripherals.c. The instanciation in the
   rx51 boardcode is a bug, since actually only twl4030-madc
   is needed. Thus board-omap3beagle.c needs to be updated to
   iio-hwmon and board-rx51-peripherals.c to twl4030-madc.
   Both tasks are pretty trivial and twl4030-madc-hwmon can
   be removed afterwards :)
 * Update twl4030-madc-battery to the IIO API. I guess Marek
   will do this update in the near future, since he is currently
   writing DT bindings for the driver.
 * I updated twl4030-madc-battery already and will send it
   in a separate patchset.
 * Once all of the above steps happened the old API can be
   removed from the driver, which allows some more cleanups.

-- Sebastian

Sebastian Reichel (7):
  mfd: twl4030-madc: Use managed resources
  mfd: twl4030-madc: Add DT support and convert to IIO framework
  mfd: twl4030-madc: Cleanup driver
  mfd: twl-core: Add twl_i2c_read/write_u16
  mfd: twl4030-madc: Use twl_i2c_read/write_u16 for 16 bit registers
  Documentation: DT: Document twl4030-madc binding
  mfd: twl4030-madc: Move driver to drivers/iio/adc

 .../devicetree/bindings/iio/adc/twl4030-madc.txt   |  24 ++
 drivers/iio/adc/Kconfig                            |  10 +
 drivers/iio/adc/Makefile                           |   1 +
 drivers/{mfd => iio/adc}/twl4030-madc.c            | 278 +++++++++++++--------
 drivers/mfd/Kconfig                                |  10 -
 drivers/mfd/Makefile                               |   1 -
 include/linux/i2c/twl.h                            |  12 +
 include/linux/i2c/twl4030-madc.h                   |   2 +-
 8 files changed, 224 insertions(+), 114 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt
 rename drivers/{mfd => iio/adc}/twl4030-madc.c (77%)

-- 
1.8.5.3

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