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Subject[PATCH] i2c/mips: Fix error return codes from Sibyte i2c bus driver
Date
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>
---
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 3d76a18..329cbee 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 -ENXIO;
}

if (data_bytes == 1)
--
1.7.0.87.g0901d


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