i2c-algo-bit: Return standard fault codes
Adjust i2c-algo-bit to return fault codes compliant with Documentation/i2c/fault-codes, rather than the undocumented and vague -EREMOTEIO. Signed-off-by: Jean Delvare <khali@linux-fr.org>
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@ -443,7 +443,7 @@ static int readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
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acknak(i2c_adap, 0);
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dev_err(&i2c_adap->dev, "readbytes: invalid "
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"block length (%d)\n", inval);
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return -EREMOTEIO;
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return -EPROTO;
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}
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/* The original count value accounts for the extra
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bytes, that is, either 1 for a regular transaction,
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@ -472,7 +472,7 @@ static int readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
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* reads, writes as well as 10bit-addresses.
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* returns:
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* 0 everything went okay, the chip ack'ed, or IGNORE_NAK flag was set
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* -x an error occurred (like: -EREMOTEIO if the device did not answer, or
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* -x an error occurred (like: -ENXIO if the device did not answer, or
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* -ETIMEDOUT, for example if the lines are stuck...)
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*/
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static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
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@ -495,14 +495,14 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
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if ((ret != 1) && !nak_ok) {
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dev_err(&i2c_adap->dev,
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"died at extended address code\n");
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return -EREMOTEIO;
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return -ENXIO;
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}
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/* the remaining 8 bit address */
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ret = i2c_outb(i2c_adap, msg->addr & 0x7f);
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if ((ret != 1) && !nak_ok) {
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/* the chip did not ack / xmission error occurred */
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dev_err(&i2c_adap->dev, "died at 2nd address code\n");
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return -EREMOTEIO;
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return -ENXIO;
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}
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if (flags & I2C_M_RD) {
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bit_dbg(3, &i2c_adap->dev, "emitting repeated "
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@ -514,7 +514,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
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if ((ret != 1) && !nak_ok) {
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dev_err(&i2c_adap->dev,
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"died at repeated address code\n");
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return -EREMOTEIO;
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return -EIO;
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}
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}
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} else { /* normal 7bit address */
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@ -572,7 +572,7 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
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ret, ret == 1 ? "" : "s");
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if (ret < pmsg->len) {
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if (ret >= 0)
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ret = -EREMOTEIO;
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ret = -EIO;
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goto bailout;
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}
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} else {
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@ -583,7 +583,7 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
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ret, ret == 1 ? "" : "s");
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if (ret < pmsg->len) {
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if (ret >= 0)
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ret = -EREMOTEIO;
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ret = -EIO;
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goto bailout;
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}
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}
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