Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 57 insertions, 38 deletions

diff --git a/drivers/net/dsa/realtek/realtek-smi.c b/drivers/net/dsa/realtek/realtek-smi.c
index ff13563059..755546ed8d 100644
--- a/drivers/net/dsa/realtek/realtek-smi.c
+++ b/drivers/net/dsa/realtek/realtek-smi.c
@@ -378,25 +378,25 @@ static int realtek_smi_setup_mdio(struct dsa_switch *ds)
 		return -ENODEV;
 	}
 
-	priv->slave_mii_bus = devm_mdiobus_alloc(priv->dev);
-	if (!priv->slave_mii_bus) {
+	priv->user_mii_bus = devm_mdiobus_alloc(priv->dev);
+	if (!priv->user_mii_bus) {
 		ret = -ENOMEM;
 		goto err_put_node;
 	}
-	priv->slave_mii_bus->priv = priv;
-	priv->slave_mii_bus->name = "SMI slave MII";
-	priv->slave_mii_bus->read = realtek_smi_mdio_read;
-	priv->slave_mii_bus->write = realtek_smi_mdio_write;
-	snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d",
+	priv->user_mii_bus->priv = priv;
+	priv->user_mii_bus->name = "SMI user MII";
+	priv->user_mii_bus->read = realtek_smi_mdio_read;
+	priv->user_mii_bus->write = realtek_smi_mdio_write;
+	snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d",
 		 ds->index);
-	priv->slave_mii_bus->dev.of_node = mdio_np;
-	priv->slave_mii_bus->parent = priv->dev;
-	ds->slave_mii_bus = priv->slave_mii_bus;
+	priv->user_mii_bus->dev.of_node = mdio_np;
+	priv->user_mii_bus->parent = priv->dev;
+	ds->user_mii_bus = priv->user_mii_bus;
 
-	ret = devm_of_mdiobus_register(priv->dev, priv->slave_mii_bus, mdio_np);
+	ret = devm_of_mdiobus_register(priv->dev, priv->user_mii_bus, mdio_np);
 	if (ret) {
 		dev_err(priv->dev, "unable to register MDIO bus %s\n",
-			priv->slave_mii_bus->id);
+			priv->user_mii_bus->id);
 		goto err_put_node;
 	}
 
@@ -506,22 +506,20 @@ static int realtek_smi_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int realtek_smi_remove(struct platform_device *pdev)
+static void realtek_smi_remove(struct platform_device *pdev)
 {
 	struct realtek_priv *priv = platform_get_drvdata(pdev);
 
 	if (!priv)
-		return 0;
+		return;
 
 	dsa_unregister_switch(priv->ds);
-	if (priv->slave_mii_bus)
-		of_node_put(priv->slave_mii_bus->dev.of_node);
+	if (priv->user_mii_bus)
+		of_node_put(priv->user_mii_bus->dev.of_node);
 
 	/* leave the device reset asserted */
 	if (priv->reset)
 		gpiod_set_value(priv->reset, 1);
-
-	return 0;
 }
 
 static void realtek_smi_shutdown(struct platform_device *pdev)
@@ -559,7 +557,7 @@ static struct platform_driver realtek_smi_driver = {
 		.of_match_table = realtek_smi_of_match,
 	},
 	.probe  = realtek_smi_probe,
-	.remove = realtek_smi_remove,
+	.remove_new = realtek_smi_remove,
 	.shutdown = realtek_smi_shutdown,
 };
 module_platform_driver(realtek_smi_driver);
diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h
index 4fa7c6ba87..790488e9c6 100644
--- a/drivers/net/dsa/realtek/realtek.h
+++ b/drivers/net/dsa/realtek/realtek.h
@@ -54,7 +54,7 @@ struct realtek_priv {
 	struct regmap		*map;
 	struct regmap		*map_nolock;
 	struct mutex		map_lock;
-	struct mii_bus		*slave_mii_bus;
+	struct mii_bus		*user_mii_bus;
 	struct mii_bus		*bus;
 	int			mdio_addr;
 
diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c
index 41ea3b5a42..0875e4fc9f 100644
--- a/drivers/net/dsa/realtek/rtl8365mb.c
+++ b/drivers/net/dsa/realtek/rtl8365mb.c
@@ -1144,7 +1144,7 @@ static int rtl8365mb_port_change_mtu(struct dsa_switch *ds, int port,
 	int frame_size;
 
 	/* When a new MTU is set, DSA always sets the CPU port's MTU to the
-	 * largest MTU of the slave ports. Because the switch only has a global
+	 * largest MTU of the user ports. Because the switch only has a global
 	 * RX length register, only allowing CPU port here is enough.
 	 */
 	if (!dsa_is_cpu_port(ds, port))
@@ -1303,8 +1303,7 @@ static void rtl8365mb_get_strings(struct dsa_switch *ds, int port, u32 stringset
 
 	for (i = 0; i < RTL8365MB_MIB_END; i++) {
 		struct rtl8365mb_mib_counter *mib = &rtl8365mb_mib_counters[i];
-
-		strncpy(data + i * ETH_GSTRING_LEN, mib->name, ETH_GSTRING_LEN);
+		ethtool_sprintf(&data, "%s", mib->name);
 	}
 }
 
diff --git a/drivers/net/dsa/realtek/rtl8366-core.c b/drivers/net/dsa/realtek/rtl8366-core.c
index dc5f75be30..82e267b8fd 100644
--- a/drivers/net/dsa/realtek/rtl8366-core.c
+++ b/drivers/net/dsa/realtek/rtl8366-core.c
@@ -395,17 +395,13 @@ void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset,
 			 uint8_t *data)
 {
 	struct realtek_priv *priv = ds->priv;
-	struct rtl8366_mib_counter *mib;
 	int i;
 
 	if (port >= priv->num_ports)
 		return;
 
-	for (i = 0; i < priv->num_mib_counters; i++) {
-		mib = &priv->mib_counters[i];
-		strncpy(data + i * ETH_GSTRING_LEN,
-			mib->name, ETH_GSTRING_LEN);
-	}
+	for (i = 0; i < priv->num_mib_counters; i++)
+		ethtool_sprintf(&data, "%s", priv->mib_counters[i].name);
 }
 EXPORT_SYMBOL_GPL(rtl8366_get_strings);
 
diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c
index 7868ef237f..b39b719a5b 100644
--- a/drivers/net/dsa/realtek/rtl8366rb.c
+++ b/drivers/net/dsa/realtek/rtl8366rb.c
@@ -95,12 +95,6 @@
 #define RTL8366RB_PAACR_RX_PAUSE	BIT(6)
 #define RTL8366RB_PAACR_AN		BIT(7)
 
-#define RTL8366RB_PAACR_CPU_PORT	(RTL8366RB_PAACR_SPEED_1000M | \
-					 RTL8366RB_PAACR_FULL_DUPLEX | \
-					 RTL8366RB_PAACR_LINK_UP | \
-					 RTL8366RB_PAACR_TX_PAUSE | \
-					 RTL8366RB_PAACR_RX_PAUSE)
-
 /* bits 0..7 = port 0, bits 8..15 = port 1 */
 #define RTL8366RB_PSTAT0		0x0014
 /* bits 0..7 = port 2, bits 8..15 = port 3 */
@@ -1081,29 +1075,61 @@ rtl8366rb_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode,
 		      int speed, int duplex, bool tx_pause, bool rx_pause)
 {
 	struct realtek_priv *priv = ds->priv;
+	unsigned int val;
 	int ret;
 
+	/* Allow forcing the mode on the fixed CPU port, no autonegotiation.
+	 * We assume autonegotiation works on the PHY-facing ports.
+	 */
 	if (port != priv->cpu_port)
 		return;
 
 	dev_dbg(priv->dev, "MAC link up on CPU port (%d)\n", port);
 
-	/* Force the fixed CPU port into 1Gbit mode, no autonegotiation */
 	ret = regmap_update_bits(priv->map, RTL8366RB_MAC_FORCE_CTRL_REG,
 				 BIT(port), BIT(port));
 	if (ret) {
-		dev_err(priv->dev, "failed to force 1Gbit on CPU port\n");
+		dev_err(priv->dev, "failed to force CPU port\n");
 		return;
 	}
 
+	/* Conjure port config */
+	switch (speed) {
+	case SPEED_10:
+		val = RTL8366RB_PAACR_SPEED_10M;
+		break;
+	case SPEED_100:
+		val = RTL8366RB_PAACR_SPEED_100M;
+		break;
+	case SPEED_1000:
+		val = RTL8366RB_PAACR_SPEED_1000M;
+		break;
+	default:
+		val = RTL8366RB_PAACR_SPEED_1000M;
+		break;
+	}
+
+	if (duplex == DUPLEX_FULL)
+		val |= RTL8366RB_PAACR_FULL_DUPLEX;
+
+	if (tx_pause)
+		val |=  RTL8366RB_PAACR_TX_PAUSE;
+
+	if (rx_pause)
+		val |= RTL8366RB_PAACR_RX_PAUSE;
+
+	val |= RTL8366RB_PAACR_LINK_UP;
+
 	ret = regmap_update_bits(priv->map, RTL8366RB_PAACR2,
 				 0xFF00U,
-				 RTL8366RB_PAACR_CPU_PORT << 8);
+				 val << 8);
 	if (ret) {
 		dev_err(priv->dev, "failed to set PAACR on CPU port\n");
 		return;
 	}
 
+	dev_dbg(priv->dev, "set PAACR to %04x\n", val);
+
 	/* Enable the CPU port */
 	ret = regmap_update_bits(priv->map, RTL8366RB_PECR, BIT(port),
 				 0);