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DateWed, 3 Dec 2008 11:51:34 -0800
FromGreg KH <>
Subject[patch 049/104] igb: 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 e1b86d8479f90aadee57a3d07d8e61c815c202d9 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
igb_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/igb/igb_ethtool.c | 8 ++++++--
drivers/net/igb/igb_main.c | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1776,7 +1776,8 @@ static void igb_get_wol(struct net_devic

/* this function will set ->supported = 0 and return 1 if wol is not
* supported by this hardware */
- if (igb_wol_exclusion(adapter, wol))
+ if (igb_wol_exclusion(adapter, wol) ||
+ !device_can_wakeup(&adapter->pdev->dev))
return;

/* apply any specific unsupported masks here */
@@ -1805,7 +1806,8 @@ static int igb_set_wol(struct net_device
if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
return -EOPNOTSUPP;

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

switch (hw->device_id) {
@@ -1825,6 +1827,8 @@ static int igb_set_wol(struct net_device
if (wol->wolopts & WAKE_MAGIC)
adapter->wol |= E1000_WUFC_MAG;

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

--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1220,6 +1220,7 @@ static int __devinit igb_probe(struct pc

/* 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 */
igb_reset(adapter);


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