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Subject[patch 051/104] e1000e: Use device_set_wakeup_enable
2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Rafael J. Wysocki <rjw@sisk.pl>

commit 6ff68026f4757d68461b7fbeca5c944e1f5f8b44 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/net/e1000e/ethtool.c | 8 ++++++--
drivers/net/e1000e/netdev.c | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)

--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1681,7 +1681,8 @@ static void e1000_get_wol(struct net_dev
wol->supported = 0;
wol->wolopts = 0;

- if (!(adapter->flags & FLAG_HAS_WOL))
+ if (!(adapter->flags & FLAG_HAS_WOL) ||
+ !device_can_wakeup(&adapter->pdev->dev))
return;

wol->supported = WAKE_UCAST | WAKE_MCAST |
@@ -1719,7 +1720,8 @@ static int e1000_set_wol(struct net_devi
if (wol->wolopts & WAKE_MAGICSECURE)
return -EOPNOTSUPP;

- if (!(adapter->flags & FLAG_HAS_WOL))
+ if (!(adapter->flags & FLAG_HAS_WOL) ||
+ !device_can_wakeup(&adapter->pdev->dev))
return wol->wolopts ? -EOPNOTSUPP : 0;

/* these settings will always override what we currently have */
@@ -1738,6 +1740,8 @@ static int e1000_set_wol(struct net_devi
if (wol->wolopts & WAKE_ARP)
adapter->wol |= E1000_WUFC_ARP;

+ device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
return 0;
}

--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4616,6 +4616,7 @@ static int __devinit e1000_probe(struct

/* initialize the wol settings based on the eeprom settings */
adapter->wol = adapter->eeprom_wol;
+ device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);

/* reset the hardware with the new settings */
e1000e_reset(adapter);


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