net: bcm: asp2: convert to phylib managed EEE

Convert the Broadcom ASP2 driver to use phylib managed EEE support.

Signed-off-by: Russell King (Oracle) <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Tested-by: Florian Fainelli <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Russell King (Oracle)

drivers/net/ethernet/broadcom/asp2/bcmasp.h

@@ -348,8 +348,6 @@ struct bcmasp_intf {
 	/* Used if per intf wol irq */
 	int				wol_irq;
 	unsigned int			wol_irq_enabled:1;
-
-	struct ethtool_keee		eee;
 };
 
 #define NUM_NET_FILTERS				32
@@ -601,5 +599,4 @@ int bcmasp_netfilt_get_all_active(struct bcmasp_intf *intf, u32 *rule_locs,
 
 void bcmasp_netfilt_suspend(struct bcmasp_intf *intf);
 
-void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable);
 #endif

drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c

@@ -348,20 +348,6 @@ static int bcmasp_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
 	return err;
 }
 
-void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable)
-{
-	u32 reg;
-
-	reg = umac_rl(intf, UMC_EEE_CTRL);
-	if (enable)
-		reg |= EEE_EN;
-	else
-		reg &= ~EEE_EN;
-	umac_wl(intf, reg, UMC_EEE_CTRL);
-
-	intf->eee.eee_enabled = enable;
-}
-
 static int bcmasp_get_eee(struct net_device *dev, struct ethtool_keee *e)
 {
 	if (!dev->phydev)
@@ -372,26 +358,9 @@ static int bcmasp_get_eee(struct net_device *dev, struct ethtool_keee *e)
 
 static int bcmasp_set_eee(struct net_device *dev, struct ethtool_keee *e)
 {
-	struct bcmasp_intf *intf = netdev_priv(dev);
-	struct ethtool_keee *p = &intf->eee;
-	int ret;
-
 	if (!dev->phydev)
 		return -ENODEV;
 
-	if (!p->eee_enabled) {
-		bcmasp_eee_enable_set(intf, false);
-	} else {
-		ret = phy_init_eee(dev->phydev, 0);
-		if (ret) {
-			netif_err(intf, hw, dev,
-				  "EEE initialization failed: %d\n", ret);
-			return ret;
-		}
-
-		bcmasp_eee_enable_set(intf, true);
-	}
-
 	return phy_ethtool_set_eee(dev->phydev, e);
 }
 

drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c

@@ -619,7 +619,6 @@ static void bcmasp_adj_link(struct net_device *dev)
 	struct phy_device *phydev = dev->phydev;
 	u32 cmd_bits = 0, reg;
 	int changed = 0;
-	bool active;
 
 	if (intf->old_link != phydev->link) {
 		changed = 1;
@@ -678,9 +677,12 @@ static void bcmasp_adj_link(struct net_device *dev)
 		umac_wl(intf, reg, UMC_CMD);
 
 		umac_wl(intf, phydev->eee_cfg.tx_lpi_timer, UMC_EEE_LPI_TIMER);
-
-		active = phy_init_eee(phydev, 0) >= 0;
-		bcmasp_eee_enable_set(intf, active);
+		reg = umac_rl(intf, UMC_EEE_CTRL);
+		if (phydev->enable_tx_lpi)
+			reg |= EEE_EN;
+		else
+			reg &= ~EEE_EN;
+		umac_wl(intf, reg, UMC_EEE_CTRL);
 	}
 
 	reg = rgmii_rl(intf, RGMII_OOB_CNTRL);
@@ -1336,7 +1338,8 @@ static void bcmasp_suspend_to_wol(struct bcmasp_intf *intf)
 				     ASP_WAKEUP_INTR2_MASK_CLEAR);
 	}
 
-	if (intf->eee.eee_enabled && intf->parent->eee_fixup)
+	if (ndev->phydev && ndev->phydev->eee_cfg.eee_enabled &&
+	    intf->parent->eee_fixup)
 		intf->parent->eee_fixup(intf, true);
 
 	netif_dbg(intf, wol, ndev, "entered WOL mode\n");
@@ -1378,7 +1381,8 @@ static void bcmasp_resume_from_wol(struct bcmasp_intf *intf)
 {
 	u32 reg;
 
-	if (intf->eee.eee_enabled && intf->parent->eee_fixup)
+	if (intf->ndev->phydev && intf->ndev->phydev->eee_cfg.eee_enabled &&
+	    intf->parent->eee_fixup)
 		intf->parent->eee_fixup(intf, false);
 
 	reg = umac_rl(intf, UMC_MPD_CTRL);
@@ -1409,9 +1413,6 @@ int bcmasp_interface_resume(struct bcmasp_intf *intf)
 
 	bcmasp_resume_from_wol(intf);
 
-	if (intf->eee.eee_enabled)
-		bcmasp_eee_enable_set(intf, true);
-
 	netif_device_attach(dev);
 
 	return 0;