[PATCH V2 2/2] drivers: i2c: qup: Fix error handling

Wolfram Sang wsa at the-dreams.de
Fri May 13 04:50:21 PDT 2016

On Fri, May 13, 2016 at 01:48:23PM +0200, Wolfram Sang wrote:
> On Fri, May 06, 2016 at 05:01:14PM +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 <sricharan at codeaurora.org>
> > Reviewed-by: Andy Gross <andy.gross at linaro.org>
> Please check Documentation/i2c/fault-codes for proper fault codes.

And while we are here: NACK is not an error but a valid response. Can
you remove the dev_err related to that? Otherwise tools like i2cdetect
will probably flood your log.

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