1 files changed, 31 insertions, 27 deletions

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 5add4145d9fc..5a2c38b63012 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1501,7 +1501,9 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
 
 		lan78xx_rx_urb_submit_all(dev);
 
+		local_bh_disable();
 		napi_schedule(&dev->napi);
+		local_bh_enable();
 	}
 
 	return 0;
@@ -1673,7 +1675,7 @@ static int lan78xx_set_wol(struct net_device *netdev,
 	return ret;
 }
 
-static int lan78xx_get_eee(struct net_device *net, struct ethtool_eee *edata)
+static int lan78xx_get_eee(struct net_device *net, struct ethtool_keee *edata)
 {
 	struct lan78xx_net *dev = netdev_priv(net);
 	struct phy_device *phydev = net->phydev;
@@ -1690,17 +1692,10 @@ static int lan78xx_get_eee(struct net_device *net, struct ethtool_eee *edata)
 
 	ret = lan78xx_read_reg(dev, MAC_CR, &buf);
 	if (buf & MAC_CR_EEE_EN_) {
-		edata->eee_enabled = true;
-		edata->eee_active = !!(edata->advertised &
-				       edata->lp_advertised);
-		edata->tx_lpi_enabled = true;
 		/* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */
 		ret = lan78xx_read_reg(dev, EEE_TX_LPI_REQ_DLY, &buf);
 		edata->tx_lpi_timer = buf;
 	} else {
-		edata->eee_enabled = false;
-		edata->eee_active = false;
-		edata->tx_lpi_enabled = false;
 		edata->tx_lpi_timer = 0;
 	}
 
@@ -1711,7 +1706,7 @@ exit:
 	return ret;
 }
 
-static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata)
+static int lan78xx_set_eee(struct net_device *net, struct ethtool_keee *edata)
 {
 	struct lan78xx_net *dev = netdev_priv(net);
 	int ret;
@@ -1721,24 +1716,16 @@ static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata)
 	if (ret < 0)
 		return ret;
 
-	if (edata->eee_enabled) {
-		ret = lan78xx_read_reg(dev, MAC_CR, &buf);
-		buf |= MAC_CR_EEE_EN_;
-		ret = lan78xx_write_reg(dev, MAC_CR, buf);
-
-		phy_ethtool_set_eee(net->phydev, edata);
-
-		buf = (u32)edata->tx_lpi_timer;
-		ret = lan78xx_write_reg(dev, EEE_TX_LPI_REQ_DLY, buf);
-	} else {
-		ret = lan78xx_read_reg(dev, MAC_CR, &buf);
-		buf &= ~MAC_CR_EEE_EN_;
-		ret = lan78xx_write_reg(dev, MAC_CR, buf);
-	}
+	ret = phy_ethtool_set_eee(net->phydev, edata);
+	if (ret < 0)
+		goto out;
 
+	buf = (u32)edata->tx_lpi_timer;
+	ret = lan78xx_write_reg(dev, EEE_TX_LPI_REQ_DLY, buf);
+out:
 	usb_autopm_put_interface(dev->intf);
 
-	return 0;
+	return ret;
 }
 
 static u32 lan78xx_get_link(struct net_device *net)
@@ -2114,7 +2101,20 @@ static void lan78xx_remove_mdio(struct lan78xx_net *dev)
 
 static void lan78xx_link_status_change(struct net_device *net)
 {
+	struct lan78xx_net *dev = netdev_priv(net);
 	struct phy_device *phydev = net->phydev;
+	u32 data;
+	int ret;
+
+	ret = lan78xx_read_reg(dev, MAC_CR, &data);
+	if (ret < 0)
+		return;
+
+	if (phydev->enable_tx_lpi)
+		data |=  MAC_CR_EEE_EN_;
+	else
+		data &= ~MAC_CR_EEE_EN_;
+	lan78xx_write_reg(dev, MAC_CR, data);
 
 	phy_print_status(phydev);
 }
@@ -2408,6 +2408,8 @@ static int lan78xx_phy_init(struct lan78xx_net *dev)
 	mii_adv_to_linkmode_adv_t(fc, mii_adv);
 	linkmode_or(phydev->advertising, fc, phydev->advertising);
 
+	phy_support_eee(phydev);
+
 	if (phydev->mdio.dev.of_node) {
 		u32 reg;
 		int len;
@@ -2526,7 +2528,7 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
 
 	ret = lan78xx_set_rx_max_frame_length(dev, max_frame_len);
 	if (!ret)
-		netdev->mtu = new_mtu;
+		WRITE_ONCE(netdev->mtu, new_mtu);
 
 	usb_autopm_put_interface(dev->intf);
 
@@ -3035,7 +3037,8 @@ static int lan78xx_reset(struct lan78xx_net *dev)
 	if (dev->chipid == ID_REV_CHIP_ID_7801_)
 		buf &= ~MAC_CR_GMII_EN_;
 
-	if (dev->chipid == ID_REV_CHIP_ID_7800_) {
+	if (dev->chipid == ID_REV_CHIP_ID_7800_ ||
+	    dev->chipid == ID_REV_CHIP_ID_7850_) {
 		ret = lan78xx_read_raw_eeprom(dev, 0, 1, &sig);
 		if (!ret && sig != EEPROM_INDICATOR) {
 			/* Implies there is no external eeprom. Set mac speed */
@@ -3134,7 +3137,8 @@ static int lan78xx_open(struct net_device *net)
 done:
 	mutex_unlock(&dev->dev_mutex);
 
-	usb_autopm_put_interface(dev->intf);
+	if (ret < 0)
+		usb_autopm_put_interface(dev->intf);
 
 	return ret;
 }