On Thu, Sep 10, 2015 at 03:50:00PM +0100, Sifan Naeem wrote: > The following patches are required to fix the existing driver to > support i2c on pistachio. > > Tested on Pistachio bub using an Adafruit I2C Non-Volatile FRAM Breakout > (256Kbit / 32KByte) eeprom. > > Used i2c buildroot tools to test the eeprom and the other i2c blocks. > Also used dd commands to copy data to and then to dump data from the > eeprom. i2ctransfer was used to test repeated starts and verified > using a scope. > > Odeally these fixes should go in to Stable kernel (v3.19+). > > Changes from v2: > 5/7: Remove start bit detected not required, use line_status instead of i2c->line_status > 7/7: use %u instead if %d for unsigned > > Sifan Naeem (7): > i2c: img-scb: enable fencing for all versions of the ip > i2c: img-scb: do dummy writes before fifo access > i2c: img-scb: use DIV_ROUND_UP to round divisor values > i2c: img-scb: fix LOW and HIGH period values for the SCL clock > i2c: img-scb: use line_status instead of i2c->line_status > i2c: img-scb: Clear line and interrupt status before starting a > transfer > i2c: img-scb: verify support for requested bit rate > > drivers/i2c/busses/i2c-img-scb.c | 73 ++++++++++++++++++++++---------------- > 1 file changed, 43 insertions(+), 30 deletions(-) Series applied to for-next. Thanks to both James for the review!
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