e1000: Use device_set_wakeup_enable

Since dev->power.should_wakeup bit is used by the PCI core to
decide whether the device should wake up the system from sleep
states, set/unset this bit whenever WOL is enabled/disabled using
e1000_set_wol().  Accordingly, use device_can_wakeup() for checking
if wake-up is supported by the device.

Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 2 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 6a3893acfe04..c854c96f5ab3 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1774,7 +1774,8 @@ static void e1000_get_wol(struct net_device *netdev,
 
         /* this function will set ->supported = 0 and return 1 if wol is not
          * supported by this hardware */
-        if (e1000_wol_exclusion(adapter, wol))
+        if (e1000_wol_exclusion(adapter, wol) ||
+            !device_can_wakeup(&adapter->pdev->dev))
                 return;
 
         /* apply any specific unsupported masks here */
@@ -1811,7 +1812,8 @@ static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
                 return -EOPNOTSUPP;
 
-        if (e1000_wol_exclusion(adapter, wol))
+        if (e1000_wol_exclusion(adapter, wol) ||
+            !device_can_wakeup(&adapter->pdev->dev))
                 return wol->wolopts ? -EOPNOTSUPP : 0;
 
         switch (hw->device_id) {
@@ -1838,6 +1840,8 @@ static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
         if (wol->wolopts & WAKE_MAGIC)
                 adapter->wol |= E1000_WUFC_MAG;
 
+        device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
         return 0;
 }
 
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index fac82152e4c8..872799b746f5 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1179,6 +1179,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 
         /* initialize the wol settings based on the eeprom settings */
         adapter->wol = adapter->eeprom_wol;
+        device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 
         /* print bus type/speed/width info */
         DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",