On Mon, May 02, 2016 at 10:53:57AM +0530, Sricharan R wrote: > Among the bus errors reported from the QUP_MASTER_STATUS register > only NACK is considered and transfer gets suspended, while > other errors are ignored. Correct this and suspend the transfer > for other errors as well. This avoids unnessecary 'timeouts' which > happens when waiting for events that would never happen when there > is already an error condition on the bus. > > Signed-off-by: Sricharan R <sricha...@codeaurora.org> > --- > drivers/i2c/busses/i2c-qup.c | 34 +++++++++++++++++++++++++--------- > 1 file changed, 25 insertions(+), 9 deletions(-)
Reviewed-by: Andy Gross <andy.gr...@linaro.org> <snip> > @@ -1227,6 +1240,9 @@ static int qup_i2c_xfer_v2(struct i2c_adapter *adap, > struct qup_i2c_dev *qup = i2c_get_adapdata(adap); > int ret, len, idx = 0, use_dma = 0; > > + qup->bus_err = 0; > + qup->qup_err = 0; > + What about the initial setting of these? Does this need to be removed from the main xfer function? > ret = pm_runtime_get_sync(qup->dev); > if (ret < 0) > goto out;
