openwrtv3/target/linux/mediatek/patches-4.14/0045-net-dsa-mediatek-turn-into-platform-driver.patch

From 1e33784f665cb95c2af5481d3e776d2d3099921b Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Thu, 10 Aug 2017 15:57:17 +0200
Subject: [PATCH 45/57] net: dsa: mediatek: turn into platform driver

Signed-off-by: John Crispin <john@phrozen.org>
---
 drivers/net/dsa/mt7530.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

Index: linux-4.14.12/drivers/net/dsa/mt7530.c
===================================================================
--- linux-4.14.12.orig/drivers/net/dsa/mt7530.c
+++ linux-4.14.12/drivers/net/dsa/mt7530.c
@@ -1049,10 +1049,10 @@ static const struct dsa_switch_ops mt753
 };
 
 static int
-mt7530_probe(struct mdio_device *mdiodev)
+mt7530_probe(struct platform_device *mdiodev)
 {
 	struct mt7530_priv *priv;
-	struct device_node *dn;
+	struct device_node *dn, *mdio;
 
 	dn = mdiodev->dev.of_node;
 
@@ -1100,7 +1100,12 @@ mt7530_probe(struct mdio_device *mdiodev
 		}
 	}
 
-	priv->bus = mdiodev->bus;
+	mdio = of_parse_phandle(dn, "dsa,mii-bus", 0);
+	if (!mdio)
+		return -EINVAL;
+	priv->bus = of_mdio_find_bus(mdio);
+	if (!priv->bus)
+		return -EPROBE_DEFER;
 	priv->dev = &mdiodev->dev;
 	priv->ds->priv = priv;
 	priv->ds->ops = &mt7530_switch_ops;
@@ -1110,8 +1115,8 @@ mt7530_probe(struct mdio_device *mdiodev
 	return dsa_register_switch(priv->ds);
 }
 
-static void
-mt7530_remove(struct mdio_device *mdiodev)
+static int
+mt7530_remove(struct platform_device *mdiodev)
 {
 	struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev);
 	int ret = 0;
@@ -1128,6 +1133,8 @@ mt7530_remove(struct mdio_device *mdiode
 
 	dsa_unregister_switch(priv->ds);
 	mutex_destroy(&priv->reg_mutex);
+
+	return 0;
 }
 
 static const struct of_device_id mt7530_of_match[] = {
@@ -1135,16 +1142,16 @@ static const struct of_device_id mt7530_
 	{ /* sentinel */ },
 };
 
-static struct mdio_driver mt7530_mdio_driver = {
+static struct platform_driver mtk_mt7530_driver = {
 	.probe  = mt7530_probe,
 	.remove = mt7530_remove,
-	.mdiodrv.driver = {
+	.driver = {
 		.name = "mt7530",
 		.of_match_table = mt7530_of_match,
 	},
 };
+module_platform_driver(mtk_mt7530_driver);
 
-mdio_module_driver(mt7530_mdio_driver);
 
 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
 MODULE_DESCRIPTION("Driver for Mediatek MT7530 Switch");