[PATCHv8 00/18] I2C Updates

[Shubhrajyoti D]

The patch series does the following

- Warn fixes if CONFIG_PM_RUNTIME is not selected.
- I2C register restore only if context if the context is lost
- Bus busy recovery mechanism.
- the reset is not done in init.
- Adds a patch to use devm_* functions
- Also checks the return type of the get_sync and in case
 of errors prevents register access, also print the cause of
 failure in case of errors.
- In case of i2c remove register access was done without any
 get_sync fix the same.
- Adds a pdata function pointer to do context save restore
- Split the omap_i2c_isr to increase readability
- Make the i2c use SET_RUNTIME_PM_OPS
- Folds a patch from Tasslehoff to prevent any merge conflicts.
- Prevents the XDUF flag to be set if the underflow condition is not met.
- As per discussion in [1] .Adds a patch to rename the 1p153 errata and
 use the unique id instead as the section number in the recent errata
 docs has changed.

- As discussed in [2], Paul has queued the flag for context restore patch,
 removing it from the series.

v8 
Fix Felipe's comments  and use devm_request_and_ioremap.


[1] http://www.spinics.net/lists/linux-i2c/msg07607.html
[2] http://www.spinics.net/lists/linux-i2c/msg07685.html

Tested on omap4sdp and omap3sdp.


The following changes since commit 258f742635360175564e9470eb060ff4d4b984e7:

  modpost: Fix modpost license checking of vmlinux.o (2012-04-09 20:52:56 -0700)

are available in the git repository at:
  git://gitorious.org/linus-tree/linus-tree.git i2c_omap-next



Jon Hunter (1):
  I2C: OMAP: Correct I2C revision for OMAP3

Shubhrajyoti D (15):
  I2C: OMAP: make omap_i2c_unidle/idle functions depend on
    CONFIG_PM_RUNTIME
  I2C: OMAP: Remove reset at init
  I2C: OMAP: I2C register restore only if context is lost
  I2C: OMAP: Fix the interrupt clearing in OMAP4
  I2C: OMAP: Fix the mismatch of pm_runtime enable and disable
  I2C: OMAP: Optimise the remove code
  I2C: OMAP: Fix the error handling
  I2C: OMAP: Don't check if wait_for_completion_timeout() returns less
    than zero
  I2C: OMAP: use devm_* functions
  I2C: OMAP: Fix the crash in i2c remove
  I2C: OMAP: Handle error check for pm runtime
  I2C: OMAP: Use SET_RUNTIME_PM_OPS
  I2C: OMAP: make the read ready processing a separate function
  I2C: OMAP: Do not set the XUDF if the underflow is not reached
  I2C: OMAP: Rename the 1p153 to the erratum id i462

Tasslehoff Kjappfot (1):
  I2C: OMAP: fix missing handling of errata I2C_OMAP3_1P153

Vikram Pandita (1):
  I2C: OMAP: Recover from Bus Busy condition

 arch/arm/plat-omap/i2c.c      |    3 +
 drivers/i2c/busses/i2c-omap.c |  350 +++++++++++++++++++++++------------------
 include/linux/i2c-omap.h      |    1 +
 3 files changed, 199 insertions(+), 155 deletions(-)

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1.7.4.1