openwrt/target/linux/generic/backport-6.1/790-v6.4-0009-net-dsa-mt7530-introduce-mt7530_remove_common-helper.patch

From 69b838d2629e6b82bcd9e0ab3c1c03f46e5e01d3 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 3 Apr 2023 02:18:50 +0100
Subject: [PATCH 09/13] 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@makrotopia.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/dsa/mt7530.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -3277,6 +3277,17 @@ mt7530_probe(struct mdio_device *mdiodev
 }
 
 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)
 {
 	struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev);
@@ -3295,15 +3306,10 @@ mt7530_remove(struct mdio_device *mdiode
 		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)