[PATCH 0/5] i2c: davinci improvements and fixes

[Grygorii Strashko]

This series contains some fixes and improvements for Davinci I2C:
patch 1 - small improvement
patch 2 - fixes "Bus busy" state for some case (was reported long time ago:()

patch 3-5 - converts driver to use I2C bus recovery infrastructure and
adds Davinci I2C bus recovery mechanizm based on using ICPFUNC registers.
These patches are combination of two patches from Ben Gardiner [1] and
Mike Looijmans [2] which i've reworked to use I2C bus recovery infrastructure

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2011-April/047305.html
"[PATCH 0/6] i2c-davinci gpio pulsed SCL recovery with ICPFUNC"
[2] https://lkml.org/lkml/2014/2/28/133
"[PATCH] i2c-davinci: Implement a bus recovery that actually works"

CC: Sekhar Nori <nsekhar@xxxxxx>
CC: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
CC: Santosh Shilimkar <ssantosh@xxxxxxxxxx>
CC: Murali Karicheri <m-karicheri2@xxxxxx> 

Grygorii Strashko (5):
  i2c: i2c-davinci: switch to use platform_get_irq
  i2c: davinci: query STP always when NACK is received
  i2c: recovery: change input parameter to i2c_adapter for
    prepare/unprepare_recovery
  i2c: davinci: use bus recovery infrastructure
  i2c: davinci: use ICPFUNC to toggle I2C as gpio for bus recovery

 drivers/i2c/busses/i2c-davinci.c          | 196 ++++++++++++++++++++++--------
 drivers/i2c/i2c-core.c                    |   4 +-
 include/linux/i2c.h                       |   4 +-
 include/linux/platform_data/i2c-davinci.h |   1 +
 4 files changed, 148 insertions(+), 57 deletions(-)

-- 
1.9.1

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