From: Fenghua Yu <fenghua.yu@intel.com>
Date: Tue, 21 May 2013 19:35:17 +0000 (-0400)
Subject: x86 thermal: Disable power limit notification interrupt by default
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~32^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bb2ff846f24fa6efee756e5e2a2b8433d65671e;p=pandora-kernel.git

x86 thermal: Disable power limit notification interrupt by default

The package power limit notification interrupt is primarily for
system diagnosis, and should not be blindly enabled on every
system by default -- particuarly since Linux does nothing in the
handler except count how many times it has been called...

Add a new kernel cmdline parameter "int_pln_enable" for situations where
users want to oberve these events via existing system counters:

$ grep TRM /proc/interrupts

$ grep . /sys/devices/system/cpu/cpu*/thermal_throttle/*

https://bugzilla.kernel.org/show_bug.cgi?id=36182

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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