From: Clemens Ladisch <clemens@ladisch.de>
Date: Wed, 20 Jan 2010 08:58:02 +0000 (+0100)
Subject: firewire: ohci: work around cycle timer bugs on VIA controllers
X-Git-Tag: v2.6.34-rc1~219^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b677532b971276f48e82578b4d829fb4382e7b41;p=pandora-kernel.git

firewire: ohci: work around cycle timer bugs on VIA controllers

VIA controllers sometimes return an inconsistent value when reading the
isochronous cycle timer register.  To work around this, read the
register multiple times and add consistency checks.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: Pieter Palmers <pieterp@joow.be>
Reported-by: Håkan Johansson <f96hajo@chalmers.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

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