From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Mon, 24 Aug 2009 19:23:26 +0000 (+0000)
Subject: netxen: implement generic pcie semaphore functions
X-Git-Tag: v2.6.32-rc1~703^2~311
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9517e5893db03ca8bd32b8783b39af58176947c;p=pandora-kernel.git

netxen: implement generic pcie semaphore functions

Implement common function for locking/unlocking 8 hardware
semaphores used for serializing access to shared resouces
on a NIC board by different PCI functions.

As by definition, callers of these semaphore API can be
put to sleep till the semaphore is locked.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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