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

Message ID 20170315195721.11507-1-f.fainelli@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Florian Fainelli March 15, 2017, 7:57 p.m. UTC
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>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

David Miller March 15, 2017, 10:36 p.m. UTC | #1
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 15 Mar 2017 12:57:21 -0700

> 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>

Applied and queued up for -stable, thanks!
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Patch

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 69015fa50f20..365895ed3c3e 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3481,7 +3481,8 @@  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);
 
@@ -3578,7 +3579,8 @@  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);