i2c: pmcmsp: fix error return from master_xfer

Returning -1 (-EPERM) is not appropriate here, go with -EIO.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: 1b144df1d7 ("i2c: New PMC MSP71xx TWI bus driver")
This commit is contained in:
Peter Rosin 2018-05-09 21:46:30 +02:00 committed by Wolfram Sang
parent de9a8634f1
commit 12d9bbc5a7

View File

@ -564,7 +564,7 @@ static int pmcmsptwi_master_xfer(struct i2c_adapter *adap,
* TODO: We could potentially loop and retry in the case
* of MSP_TWI_XFER_TIMEOUT.
*/
return -1;
return -EIO;
}
return num;