smsc75xx: add wol magic packet support

This patch enables wake from system suspend on magic packet.

Patch updated to change BUG_ON to WARN_ON_ONCE.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steve Glendinning 2012-09-28 00:57:53 +00:00 • committed by David S. Miller
commit 6c63650326