Add helper function that reads back a value after writing to make sure the write is finished and use it in octeon_i2c_write_int(). Signed-off-by: Peter Swain <pswain@cavium.com> Signed-off-by: Jan Glauber <jglauber@cavium.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>