linux-kernel - [PATCH v2] net: dsa: sja1105: print info about probed chip only after everything was done.

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Message-Id: <20191126093008.19742-1-o.rempel@pengutronix.de>
Date:   Tue, 26 Nov 2019 10:30:08 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     mkl@...gutronix.de, Vladimir Oltean <olteanv@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        david@...tonic.nl
Subject: [PATCH v2] net: dsa: sja1105: print info about probed chip only after everything was done.

Currently we will get "Probed switch chip" notification multiple times
if first probe failed by some reason. To avoid this confusing notifications move
dev_info to the end of probe.

Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/dsa/sja1105/sja1105_main.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index aa140662c7c2..34544b1c30dc 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -2191,8 +2191,6 @@ static int sja1105_probe(struct spi_device *spi)
 		return rc;
 	}
 
-	dev_info(dev, "Probed switch chip: %s\n", priv->info->name);
-
 	ds = dsa_switch_alloc(dev, SJA1105_NUM_PORTS);
 	if (!ds)
 		return -ENOMEM;
@@ -2218,7 +2216,13 @@ static int sja1105_probe(struct spi_device *spi)
 
 	sja1105_tas_setup(ds);
 
-	return dsa_register_switch(priv->ds);
+	rc = dsa_register_switch(priv->ds);
+	if (rc)
+		return rc;
+
+	dev_info(dev, "Probed switch chip: %s\n", priv->info->name);
+
+	return 0;
 }
 
 static int sja1105_remove(struct spi_device *spi)
-- 
2.24.0