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| author | Guenter Roeck <guenter.roeck@ericsson.com> | 2010-07-10 09:42:47 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2010-07-10 09:42:47 +0200 |
| commit | 102b59c6d6d30fb6560177fd1ae8a34c4c163897 (patch) | |
| tree | 7e39292a3c448479df96f1ba6a0941de32e65d76 /drivers/i2c | |
| parent | 827900c55665dc8e20b05bb18d3f6e078eaa6183 (diff) | |
| download | talos-op-linux-102b59c6d6d30fb6560177fd1ae8a34c4c163897.tar.gz talos-op-linux-102b59c6d6d30fb6560177fd1ae8a34c4c163897.zip | |
i2c/mips: Fix error return codes from Sibyte i2c bus driver
Sibyte i2c bus driver returns non-descriptive error values.
Update to return error values as defined in Documentation/i2c/fault-codes.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-sibyte.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c index 3d76a188e42f..0fe505d7abe9 100644 --- a/drivers/i2c/busses/i2c-sibyte.c +++ b/drivers/i2c/busses/i2c-sibyte.c @@ -94,7 +94,7 @@ static int smbus_xfer(struct i2c_adapter *i2c_adap, u16 addr, } break; default: - return -1; /* XXXKW better error code? */ + return -EOPNOTSUPP; } while (csr_in32(SMB_CSR(adap, R_SMB_STATUS)) & M_SMB_BUSY) @@ -104,7 +104,7 @@ static int smbus_xfer(struct i2c_adapter *i2c_adap, u16 addr, if (error & M_SMB_ERROR) { /* Clear error bit by writing a 1 */ csr_out32(M_SMB_ERROR, SMB_CSR(adap, R_SMB_STATUS)); - return -1; /* XXXKW better error code? */ + return (error & M_SMB_ERROR_TYPE) ? -EIO : -ENXIO; } if (data_bytes == 1) |
