From: Dirk Brandewie <dirk.brandewie@gmail.com>
Date: Thu, 4 Apr 2013 17:35:35 +0000 (-0700)
Subject: cpufreq / intel_pstate: Set timer timeout correctly
X-Git-Tag: v3.9-rc7~18^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec376a2ab97ec3be52ca282dc6ac102e805d1005;p=pandora-kernel.git

cpufreq / intel_pstate: Set timer timeout correctly

The current calculation of the delay time is wrong and a cut and
paste error from a previous experimental driver.  This can result in
the timeout being set to jiffies + 1 which setup the driver to race
with itself if the APIC timer interrupt happens at just the right
time.

References: https://bugzilla.redhat.com/show_bug.cgi?id=920289
Reported-by: Adam Williamson <awilliam@redhat.com>
Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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