1 files changed, 35 insertions, 13 deletions

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1b1f7f2a6130..796133de527e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1185,6 +1185,21 @@ static void fec_enet_stop_mode(struct fec_enet_private *fep, bool enabled)
 	}
 }
 
+static void fec_irqs_disable(struct net_device *ndev)
+{
+	struct fec_enet_private *fep = netdev_priv(ndev);
+
+	writel(0, fep->hwp + FEC_IMASK);
+}
+
+static void fec_irqs_disable_except_wakeup(struct net_device *ndev)
+{
+	struct fec_enet_private *fep = netdev_priv(ndev);
+
+	writel(0, fep->hwp + FEC_IMASK);
+	writel(FEC_ENET_WAKEUP, fep->hwp + FEC_IMASK);
+}
+
 static void
 fec_stop(struct net_device *ndev)
 {
@@ -1211,15 +1226,13 @@ fec_stop(struct net_device *ndev)
 			writel(1, fep->hwp + FEC_ECNTRL);
 			udelay(10);
 		}
-		writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
 	} else {
-		writel(FEC_DEFAULT_IMASK | FEC_ENET_WAKEUP, fep->hwp + FEC_IMASK);
 		val = readl(fep->hwp + FEC_ECNTRL);
 		val |= (FEC_ECR_MAGICEN | FEC_ECR_SLEEP);
 		writel(val, fep->hwp + FEC_ECNTRL);
-		fec_enet_stop_mode(fep, true);
 	}
 	writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
+	writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
 
 	/* We have to keep ENET enabled to have MII interrupt stay working */
 	if (fep->quirks & FEC_QUIRK_ENET_MAC &&
@@ -2877,15 +2890,10 @@ fec_enet_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 		return -EINVAL;
 
 	device_set_wakeup_enable(&ndev->dev, wol->wolopts & WAKE_MAGIC);
-	if (device_may_wakeup(&ndev->dev)) {
+	if (device_may_wakeup(&ndev->dev))
 		fep->wol_flag |= FEC_WOL_FLAG_ENABLE;
-		if (fep->wake_irq > 0)
-			enable_irq_wake(fep->wake_irq);
-	} else {
+	else
 		fep->wol_flag &= (~FEC_WOL_FLAG_ENABLE);
-		if (fep->wake_irq > 0)
-			disable_irq_wake(fep->wake_irq);
-	}
 
 	return 0;
 }
@@ -3558,7 +3566,7 @@ static int fec_enet_init(struct net_device *ndev)
 		ndev->features |= NETIF_F_HW_VLAN_CTAG_RX;
 
 	if (fep->quirks & FEC_QUIRK_HAS_CSUM) {
-		ndev->gso_max_segs = FEC_MAX_TSO_SEGS;
+		netif_set_gso_max_segs(ndev, FEC_MAX_TSO_SEGS);
 
 		/* enable hw accelerator */
 		ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM
@@ -4057,9 +4065,19 @@ static int __maybe_unused fec_suspend(struct device *dev)
 		netif_device_detach(ndev);
 		netif_tx_unlock_bh(ndev);
 		fec_stop(ndev);
-		fec_enet_clk_enable(ndev, false);
-		if (!(fep->wol_flag & FEC_WOL_FLAG_ENABLE))
+		if (!(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) {
+			fec_irqs_disable(ndev);
 			pinctrl_pm_select_sleep_state(&fep->pdev->dev);
+		} else {
+			fec_irqs_disable_except_wakeup(ndev);
+			if (fep->wake_irq > 0) {
+				disable_irq(fep->wake_irq);
+				enable_irq_wake(fep->wake_irq);
+			}
+			fec_enet_stop_mode(fep, true);
+		}
+		/* It's safe to disable clocks since interrupts are masked */
+		fec_enet_clk_enable(ndev, false);
 	}
 	rtnl_unlock();
 
@@ -4097,6 +4115,10 @@ static int __maybe_unused fec_resume(struct device *dev)
 		}
 		if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) {
 			fec_enet_stop_mode(fep, false);
+			if (fep->wake_irq) {
+				disable_irq_wake(fep->wake_irq);
+				enable_irq(fep->wake_irq);
+			}
 
 			val = readl(fep->hwp + FEC_ECNTRL);
 			val &= ~(FEC_ECR_MAGICEN | FEC_ECR_SLEEP);