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, 1 deletions

diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 7628fe8e0946..c611905df009 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -287,7 +287,7 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
         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;
 }