usbnet: pegasus: set wakeup enable in set_wol

This patch calls device_set_wakeup_enable() inside set_wol
callback, so that turning on WOL from user mode utility
can make the 'wakeup' of pegasus device to be enabled, then
remote wakeup may be enabled before putting into sleep.

Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Petko Manolov <petkan@users.sourceforge.net>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 3c02f950a3d2..8ee5ab0db127 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1097,6 +1097,7 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
         pegasus_t       *pegasus = netdev_priv(dev);
         u8              reg78 = 0x04;
+        int             ret;
 
         if (wol->wolopts & ~WOL_SUPPORTED)
                 return -EINVAL;
@@ -1111,7 +1112,12 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
         else
                 pegasus->eth_regs[0] &= ~0x10;
         pegasus->wolopts = wol->wolopts;
-        return set_register(pegasus, WakeupControl, reg78);
+
+        ret = set_register(pegasus, WakeupControl, reg78);
+        if (!ret)
+                ret = device_set_wakeup_enable(&pegasus->usb->dev,
+                                                wol->wolopts);
+        return ret;
 }
 
 static inline void pegasus_reset_wol(struct net_device *dev)