If we are in a multi-master scenario, we need to block runtime PM so the
arbitration circuit stays awake.

So, we define a new binding and adapt the i2c-rcar driver to have an example

This series is RFC because I want to do some more regression testing. The
actual functionality works fine here on my Lager board.

Wolfram Sang (3):
  i2c: document binding for multi-master case
  i2c: rcar: remove macros dealing with flags
  i2c: rcar: disable PM in multi-master mode

 Documentation/devicetree/bindings/i2c/i2c.txt |  5 ++++
 drivers/i2c/busses/i2c-rcar.c                 | 39 ++++++++++++++++-----------
 2 files changed, 28 insertions(+), 16 deletions(-)


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