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i2c: pmcmsp: fix error return from master_xfer

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[ Upstream commit 12d9bbc5a7f347eaa65ff2a9d34995cadc05eb1b ]

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: 1b144df1d7d6 ("i2c: New PMC MSP71xx TWI bus driver")
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Rosin 2018-05-09 21:46:30 +02:00 committed by Greg Kroah-Hartman
parent 0c1885743a
commit cbfe697cdb
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-pmcmsp.c
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@ -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;