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, 1 insertions, 7 deletions

diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index 29757b2e11dd..cde8e5880368 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -201,14 +201,8 @@ static s32 sis96x_access(struct i2c_adapter * adap, u16 addr,
                         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;
-
         default:
-                dev_info(&adap->dev, "Unsupported SMBus operation\n");
+                dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
                 return -EOPNOTSUPP;
         }