From 11269ff506888a06b19c8c7a3297114f30673973 Mon Sep 17 00:00:00 2001
From: Andre Przywara <andre.przywara@amd.com>
Date: Tue, 4 Sep 2012 08:28:08 +0000
Subject: [PATCH] acpi-cpufreq: Add compatibility for legacy AMD cpb sysfs knob

The powernow-k8 driver supported a sysfs knob called "cpb", which was
instantiated per CPU, but actually acted globally for the whole
system. To keep some compatibility with this feature, we re-introduce
this behavior here, but:
a) only enable it on AMD CPUs and
b) protect it with a Kconfig switch

I'd like to consider this feature obsolete. Lets keep it around for
some kernel versions and then phase it out.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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