netdev - [RFC PATCH net-next v3 08/15] net: dsa: mt7530: introduce mt7530_remove

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Message-ID: <e417f0cd6dea15fe7a0305eeaef6b8f94d654f45.1680105013.git.daniel@makrotopia.org>
Date:   Wed, 29 Mar 2023 16:59:03 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Sam Shih <Sam.Shih@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        John Crispin <john@...ozen.org>, Felix Fietkau <nbd@....name>
Subject: [RFC PATCH net-next v3 08/15] net: dsa: mt7530: introduce
 mt7530_remove_common helper function

Move commonly used parts from mt7530_remove into new
mt7530_remove_common helper function which will be used by both,
mt7530_remove and the to-be-introduced mt7988_remove.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/dsa/mt7530.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 32875762b3d96..f84cbd251d1c1 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -3260,6 +3260,17 @@ mt7530_probe(struct mdio_device *mdiodev)
 	return dsa_register_switch(priv->ds);
 }
 
+static void
+mt7530_remove_common(struct mt7530_priv *priv)
+{
+	if (priv->irq)
+		mt7530_free_irq(priv);
+
+	dsa_unregister_switch(priv->ds);
+
+	mutex_destroy(&priv->reg_mutex);
+}
+
 static void
 mt7530_remove(struct mdio_device *mdiodev)
 {
@@ -3279,15 +3290,10 @@ mt7530_remove(struct mdio_device *mdiodev)
 		dev_err(priv->dev, "Failed to disable io pwr: %d\n",
 			ret);
 
-	if (priv->irq)
-		mt7530_free_irq(priv);
-
-	dsa_unregister_switch(priv->ds);
+	mt7530_remove_common(priv);
 
 	for (i = 0; i < 2; ++i)
 		mtk_pcs_lynxi_destroy(priv->ports[5 + i].sgmii_pcs);
-
-	mutex_destroy(&priv->reg_mutex);
 }
 
 static void mt7530_shutdown(struct mdio_device *mdiodev)
-- 
2.39.2