i2c: Consistently reject unsupported transactions

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>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 7d6d9dfcc58a..213119211e58 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -513,7 +513,6 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
                         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;