i2c: mux: provide more info on failure in i2c_mux_add_adapter

No callers then need to report any further info, thus reducing both the
amount of code and the log noise.

Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Peter Rosin <peda@axentia.se>
This commit is contained in:
Peter Rosin 2017-04-03 09:28:43 +02:00
parent 743cc37561
commit 8d4d159f25

View File

@ -395,13 +395,16 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,
if (force_nr) {
priv->adap.nr = force_nr;
ret = i2c_add_numbered_adapter(&priv->adap);
dev_err(&parent->dev,
"failed to add mux-adapter %u as bus %u (error=%d)\n",
chan_id, force_nr, ret);
} else {
ret = i2c_add_adapter(&priv->adap);
dev_err(&parent->dev,
"failed to add mux-adapter %u (error=%d)\n",
chan_id, ret);
}
if (ret < 0) {
dev_err(&parent->dev,
"failed to add mux-adapter (error=%d)\n",
ret);
kfree(priv);
return ret;
}