Many PC SMBus host controller drivers don't properly handle the case
where they are requested to achieve a transaction they do not support.
Update them so that the consistently print a warning message and
return a single error value in this case.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
outb_p(0xFF, SMBHSTSTS);
switch (size) {
outb_p(0xFF, SMBHSTSTS);
switch (size) {
- case I2C_SMBUS_PROC_CALL:
- dev_err(&adap->dev, "I2C_SMBUS_PROC_CALL not supported!\n");
- result = -EOPNOTSUPP;
- goto EXIT;
case I2C_SMBUS_QUICK:
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
case I2C_SMBUS_QUICK:
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
outb_p(data->block[i], SMBBLKDAT);
}
break;
outb_p(data->block[i], SMBBLKDAT);
}
break;
+ default:
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
+ result = -EOPNOTSUPP;
+ goto EXIT;
}
result = ali1535_transaction(adap);
}
result = ali1535_transaction(adap);
/* Map the size to what the chip understands */
switch (size) {
/* Map the size to what the chip understands */
switch (size) {
- case I2C_SMBUS_PROC_CALL:
- dev_err(&a->dev, "I2C_SMBUS_PROC_CALL not supported!\n");
- error = -EINVAL;
- break;
case I2C_SMBUS_QUICK:
size = HST_CNTL2_QUICK;
break;
case I2C_SMBUS_QUICK:
size = HST_CNTL2_QUICK;
break;
case I2C_SMBUS_BLOCK_DATA:
size = HST_CNTL2_BLOCK;
break;
case I2C_SMBUS_BLOCK_DATA:
size = HST_CNTL2_BLOCK;
break;
+ default:
+ dev_warn(&a->dev, "Unsupported transaction %d\n", size);
+ error = -EOPNOTSUPP;
+ goto Done;
}
outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD);
}
outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD);
- case I2C_SMBUS_PROC_CALL:
- dev_err(&adap->dev, "I2C_SMBUS_PROC_CALL not supported!\n");
- return -EOPNOTSUPP;
case I2C_SMBUS_QUICK:
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
case I2C_SMBUS_QUICK:
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
}
size = ALI15X3_BLOCK_DATA;
break;
}
size = ALI15X3_BLOCK_DATA;
break;
+ default:
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
}
outb_p(size, SMBHSTCNT); /* output command */
}
outb_p(size, SMBHSTCNT); /* output command */
- /** TODO: Should I supporte the 10-bit transfers? */
- case I2C_SMBUS_PROC_CALL:
- dev_dbg(&adap->dev, "I2C_SMBUS_PROC_CALL not supported!\n");
- /* TODO: Well... It is supported, I'm just not sure what to do here... */
- return -EOPNOTSUPP;
case I2C_SMBUS_QUICK:
outw_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMB_HOST_ADDRESS);
case I2C_SMBUS_QUICK:
outw_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMB_HOST_ADDRESS);
}
size = AMD756_BLOCK_DATA;
break;
}
size = AMD756_BLOCK_DATA;
break;
+ default:
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
}
/* How about enabling interrupts... */
}
/* How about enabling interrupts... */
outb_p(command, SMBHSTCMD);
block = 1;
break;
outb_p(command, SMBHSTCMD);
block = 1;
break;
- case I2C_SMBUS_PROC_CALL:
default:
dev_err(&I801_dev->dev, "Unsupported transaction %d\n", size);
return -EOPNOTSUPP;
default:
dev_err(&I801_dev->dev, "Unsupported transaction %d\n", size);
return -EOPNOTSUPP;
int status;
switch (size) {
int status;
switch (size) {
- case I2C_SMBUS_PROC_CALL:
- dev_err(&adap->dev, "I2C_SMBUS_PROC_CALL not supported!\n");
- return -EOPNOTSUPP;
case I2C_SMBUS_QUICK:
outb_p((addr << 1) | read_write,
SMBHSTADD);
case I2C_SMBUS_QUICK:
outb_p((addr << 1) | read_write,
SMBHSTADD);
}
size = PIIX4_BLOCK_DATA;
break;
}
size = PIIX4_BLOCK_DATA;
break;
+ default:
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
}
outb_p((size & 0x1C) + (ENABLE_INT9 & 1), SMBHSTCNT);
}
outb_p((size & 0x1C) + (ENABLE_INT9 & 1), SMBHSTCNT);
size = SIS630_BLOCK_DATA;
return sis630_block_data(adap, data, read_write);
default:
size = SIS630_BLOCK_DATA;
return sis630_block_data(adap, data, read_write);
default:
- printk("Unsupported SMBus operation\n");
+ dev_warn(&adap->dev, "Unsupported transaction %d\n",
+ size);
case SIS630_WORD_DATA:
data->word = sis630_read(SMB_BYTE) + (sis630_read(SMB_BYTE + 1) << 8);
break;
case SIS630_WORD_DATA:
data->word = sis630_read(SMB_BYTE) + (sis630_read(SMB_BYTE + 1) << 8);
break;
- default:
- return -EOPNOTSUPP;
SIS96x_PROC_CALL : SIS96x_WORD_DATA);
break;
SIS96x_PROC_CALL : SIS96x_WORD_DATA);
break;
- case I2C_SMBUS_BLOCK_DATA:
- /* TO DO: */
- dev_info(&adap->dev, "SMBus block not implemented!\n");
- return -EOPNOTSUPP;
- break;
-
- dev_info(&adap->dev, "Unsupported SMBus operation\n");
+ dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
sprintf(p, "$%02X", command);
break;
default:
sprintf(p, "$%02X", command);
break;
default:
- dev_dbg(&adapter->dev, "Unsupported transaction size %d\n",
- size);
- return -EINVAL;
+ dev_warn(&adapter->dev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
}
/* Send the transaction to the TAOS EVM */
}
/* Send the transaction to the TAOS EVM */
return 0;
exit_unsupported:
return 0;
exit_unsupported:
- dev_warn(&vt596_adapter.dev, "Unsupported command invoked! (0x%02x)\n",
+ dev_warn(&vt596_adapter.dev, "Unsupported transaction %d\n",
size);
return -EOPNOTSUPP;
}
size);
return -EOPNOTSUPP;
}