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Zhang Rui d75936f3f9 Thermal: Ignore invalid trip points 
commit 81ad4276b5 upstream.

In some cases, platform thermal driver may report invalid trip points,
thermal core should not take any action for these trip points.

This fixed a regression that bogus trip point starts to screw up thermal
control on some Lenovo laptops, after
commit bb431ba26c
Author: Zhang Rui <rui.zhang@intel.com>
Date:   Fri Oct 30 16:31:47 2015 +0800

    Thermal: initialize thermal zone device correctly

    After thermal zone device registered, as we have not read any
    temperature before, thus tz->temperature should not be 0,
    which actually means 0C, and thermal trend is not available.
    In this case, we need specially handling for the first
    thermal_zone_device_update().

    Both thermal core framework and step_wise governor is
    enhanced to handle this. And since the step_wise governor
    is the only one that uses trends, so it's the only thermal
    governor that needs to be updated.

    Tested-by: Manuel Krause <manuelkrause@netscape.net>
    Tested-by: szegad <szegadlo@poczta.onet.pl>
    Tested-by: prash <prash.n.rao@gmail.com>
    Tested-by: amish <ammdispose-arch@yahoo.com>
    Tested-by: Matthias <morpheusxyz123@yahoo.de>
    Reviewed-by: Javi Merino <javi.merino@arm.com>
    Signed-off-by: Zhang Rui <rui.zhang@intel.com>
    Signed-off-by: Chen Yu <yu.c.chen@intel.com>

Link: https://bugzilla.redhat.com/show_bug.cgi?id=1317190
Link: https://bugzilla.kernel.org/show_bug.cgi?id=114551
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-12 09:08:35 -07:00
..
acpi Merge branch 'acpi-pci' 2015-11-07 01:30:10 +01:00
asm-generic cputime: Prevent 32bit overflow in time[val|spec]_to_cputime() 2016-03-03 15:07:16 -08:00
clocksource
crypto crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path 2016-02-17 12:31:03 -08:00
drm drm: add helper to check for wc memory support 2016-03-03 15:07:21 -08:00
dt-bindings ARM: DT updates for v4.4 2015-11-10 15:06:26 -08:00
keys
kvm KVM: arm/arm64: arch_timer: Preserve physical dist. active state on LR.active 2015-11-24 18:07:40 +01:00
linux Thermal: Ignore invalid trip points 2016-04-12 09:08:35 -07:00
math-emu
media
memory
misc
net cfg80211/wext: fix message ordering 2016-03-16 08:42:59 -07:00
pcmcia
ras
rdma IB/mad: Require CM send method for everything except ClassPortInfo 2015-12-08 12:19:11 -05:00
rxrpc
scsi Merge branch 'mkp-fixes' into fixes 2015-12-03 09:32:33 -08:00
soc ARM: SoC driver updates for v4.4 2015-11-10 15:00:03 -08:00
sound ALSA: rawmidi: Make snd_rawmidi_transmit() race-free 2016-02-17 12:30:58 -08:00
target target: Fix WRITE_SAME/DISCARD conversion to linux 512b sectors 2016-03-09 15:34:51 -08:00
trace Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-11-11 09:03:01 -08:00
uapi uapi: update install list after nvme.h rename 2016-03-03 15:07:24 -08:00
video gpu: ipu-v3: drop unused dmfc field from client platform data 2015-11-24 11:30:15 +01:00
xen xen: Add RING_COPY_REQUEST() 2015-12-18 10:00:17 -05:00
Kbuild