On Thu, 9 Jul 2015, Ellen Wang wrote:

> cp2112_i2c_xfer() only supports a single i2c_msg.  More than
> one message at a time just returns EIO.  This breaks certain
> important cases.  For example, the at24 eeprom driver generates
> paired write and read messages (for eeprom address and data).
> 
> Since the device doesn't support i2c repeated starts in general,
> but does support a single write-repeated-start-read pair
> (since hardware rev 1), we recognize the latter case and
> implement only that.
> 
> Signed-off-by: Ellen Wang <[email protected]>

Applied to for-4.3/cp2112.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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