Patch "net: bcmgenet: Do not suspend PHY if Wake-on-LAN is enabled" has been added to the 4.9-stable tree

Patch "net: bcmgenet: Do not suspend PHY if Wake-on-LAN is enabled" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

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

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-bcmgenet-do-not-suspend-phy-if-wake-on-lan-is-enabled.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Mon Mar 27 18:17:54 CEST 2017
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 15 Mar 2017 12:57:21 -0700
Subject: net: bcmgenet: Do not suspend PHY if Wake-on-LAN is enabled

From: Florian Fainelli <f.fainelli@gmail.com>


[ 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>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- 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 devic
 
 	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
 
 	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);


Patches currently in stable-queue which might be from f.fainelli@gmail.com are

queue-4.9/net-bcmgenet-remove-bcmgenet_internal_phy_setup.patch
queue-4.9/net-bcmgenet-do-not-suspend-phy-if-wake-on-lan-is-enabled.patch