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

[ Upstream commit 5371bbf4b295eea334ed453efa286afa2c3ccff3 ]

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: cc013fb48898 ("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>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index a4e60e56c14f..0975af2903ef 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3402,7 +3402,8 @@ static int bcmgenet_suspend(struct device *d)
 
         bcmgenet_netif_stop(dev);
 
-        phy_suspend(priv->phydev);
+        if (!device_may_wakeup(d))
+                phy_suspend(priv->phydev);
 
         netif_device_detach(dev);
 
@@ -3499,7 +3500,8 @@ static int bcmgenet_resume(struct device *d)
 
         netif_device_attach(dev);
 
-        phy_resume(priv->phydev);
+        if (!device_may_wakeup(d))
+                phy_resume(priv->phydev);
 
         if (priv->eee.eee_enabled)
                 bcmgenet_eee_enable_set(dev, true);