[PATCH 1/9] i2c: mux: provide more info on failure in i2c_mux_add_adapter

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

Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
 drivers/i2c/i2c-mux.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 2178266bca79..26f7237558ba 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -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;
 	}
-- 
2.1.4

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