net: bcmgenet: Do not suspend PHY if Wake-on-LAN is enabled

[ Upstream commit 5371bbf4 ]

Suspending the PHY would be putting it in a low power state where it
may no longer allow us to do Wake-on-LAN.

Fixes: cc013fb4 ("net: bcmgenet: correctly suspend and resume PHY device")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ethernet/broadcom/genet/bcmgenet.c

@@ -3495,6 +3495,7 @@ static int bcmgenet_suspend(struct device *d)
 
 	bcmgenet_netif_stop(dev);
 
+	if (!device_may_wakeup(d))
 		phy_suspend(priv->phydev);
 
 	netif_device_detach(dev);
@@ -3592,6 +3593,7 @@ static int bcmgenet_resume(struct device *d)
 
 	netif_device_attach(dev);
 
+	if (!device_may_wakeup(d))
 		phy_resume(priv->phydev);
 
 	if (priv->eee.eee_enabled)