From: Clemens Ladisch <clemens@ladisch.de>
Date: Thu, 1 Apr 2010 14:40:18 +0000 (+0200)
Subject: firewire: ohci: do not clear PHY interrupt status inadvertently
X-Git-Tag: v2.6.35-rc1~41^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7014dada041982ae12ba7fd1967ca0ab0243e04;p=pandora-kernel.git

firewire: ohci: do not clear PHY interrupt status inadvertently

The interrupt status bits in PHY register 5 are cleared by writing a one
bit.  To avoid clearing them unadvertently, do not write them back when
they were read as set, but only when they have been explicitly requested
to be set.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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