}
break;
default:
- return -1; /* XXXKW better error code? */
+ return -EOPNOTSUPP;
}
while (csr_in32(SMB_CSR(adap, R_SMB_STATUS)) & M_SMB_BUSY)
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)
if (!(adapter->class & driver->class))
goto exit_free;
- /* Stop here if we can't use SMBUS_QUICK */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
+ /* Stop here if the bus doesn't support probing */
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE)) {
if (address_list[0] == I2C_CLIENT_END)
goto exit_free;
- dev_warn(&adapter->dev, "SMBus Quick command not supported, "
- "can't probe for chips\n");
+ dev_warn(&adapter->dev, "Probing not supported\n");
err = -EOPNOTSUPP;
goto exit_free;
}