From: Michael Chan <mchan@broadcom.com>
Date: Thu, 8 Sep 2005 20:15:32 +0000 (-0700)
Subject: [BNX2]: Fix bug in irq handler and add prefetch
X-Git-Tag: v2.6.14-rc1~492^2~22^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c921e4c4dbb043f9435414c4e661e7f0a783053d;p=pandora-kernel.git

[BNX2]: Fix bug in irq handler and add prefetch

Fix bug in bnx2_interrupt() that caused an unnecessary register read.
The BNX2_PCICFG_MISC_STATUS should only be read when the status tag
has not changed.

Add prefetch of the status block in bnx2_msi() similar to tg3_msi().
The status block is not touched in bnx2_msi() and prefetching it will
speed up bnx2_poll() that will run on the same CPU that received the
MSI.

Update version.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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