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191b07541f
linux/drivers/thermal
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Michele Di Giorgio 191b07541f thermal: check validity get_trip_hyst function pointer in bang-bang governor 
Bang-bang thermal governor uses trip point hysteresis to make decisions.
Hysteresis is a required property in the device tree for trip points, but it is
an optional thermal zone device operation. Hence, we need to check whether the
function pointer is valid or not.

If it is not available, we assume the hysteresis to be zero. Consequently, a
highly varying temperature will make the governor continuosly switch a cooling
device ON and OFF.

CC: Zhang Rui <rui.zhang@intel.com>
CC: Eduardo Valentin <edubezval@gmail.com>
CC: Peter Feuerer <peter@piie.net>
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2016-05-16 13:21:11 +08:00
..
int340x_thermal Thermal: Enable Broxton SoC thermal reporting device 2015-12-29 16:17:53 +08:00
samsung thermal: exynos: Defer probe if vtmu is present but not registered 2016-03-08 14:22:25 -08:00
st Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-09-11 16:13:47 -07:00
ti-soc-thermal thermal: ti-soc-thermal: clean up the error handling a bit 2016-03-08 11:57:37 -08:00
armada_thermal.c thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula 2015-10-30 11:33:23 -07:00
clock_cooling.c thermal: introduce clock cooling device 2014-11-20 10:43:16 -04:00
cpu_cooling.c thermal: cpu_cooling: fix out of bounds access in time_in_idle 2016-02-11 07:13:29 -08:00
db8500_cpufreq_cooling.c thermal: db8500_cpufreq_cooling: Fix module autoload for OF platform driver 2015-09-13 20:26:19 -07:00
db8500_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
devfreq_cooling.c devfreq_cooling: return on allocation failure 2015-11-04 11:06:29 -08:00
dove_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
fair_share.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
gov_bang_bang.c thermal: check validity get_trip_hyst function pointer in bang-bang governor 2016-05-16 13:21:11 +08:00
hisi_thermal.c thermal: hisilicon: increase temperature resolution 2016-04-27 15:54:01 -07:00
imx_thermal.c imx: thermal: use CPU temperature grade info for thresholds 2015-11-23 16:38:40 -08:00
intel_pch_thermal.c thermal: intel_pch_thermal: Enable Skylake PCH thermal 2016-03-15 07:51:17 +08:00
intel_powerclamp.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-09-11 16:13:47 -07:00
intel_quark_dts_thermal.c x86/platform/iosf_mbi: Remove duplicate definitions 2015-12-09 01:18:34 +01:00
intel_soc_dts_iosf.c x86/platform/iosf_mbi: Remove duplicate definitions 2015-12-09 01:18:34 +01:00
intel_soc_dts_iosf.h Thermal: Intel SoC: DTS thermal IOSF core 2015-05-01 11:20:42 +08:00
intel_soc_dts_thermal.c Thermal: Intel SoC: DTS thermal use common APIs 2015-05-01 11:20:42 +08:00
Kconfig thermal: fix Mediatek thermal controller build 2016-04-20 21:13:21 -07:00
kirkwood_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
Makefile thermal: Add Mediatek thermal controller support 2016-02-18 07:20:36 -08:00
mtk_thermal.c thermal: minor mtk_thermal.c cleanups 2016-04-20 16:22:46 -07:00
of-thermal.c thermal: of: add __init attribute 2016-04-20 16:22:45 -07:00
power_allocator.c thermal: power_allocator: req_range multiplication should be a 64 bit type 2016-04-20 16:22:45 -07:00
qcom-spmi-temp-alarm.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
rcar_thermal.c thermal: rcar_thermal: don't open code of_device_get_match_data() 2016-03-08 11:53:12 -08:00
rockchip_thermal.c thermal: rockchip: fix the tsadc sequence output on rk3228/rk3399 2016-02-29 21:06:39 -08:00
spear_thermal.c thermal: spear: use __maybe_unused for PM functions 2016-02-09 14:12:08 -08:00
step_wise.c Thermal: initialize thermal zone device correctly 2015-12-29 15:59:44 +08:00
tegra_soctherm.c thermal: tegra_soctherm: fix sign bit of temperature 2016-03-08 12:41:40 -08:00
thermal_core.c thermal: use %d to print S32 parameters 2016-04-27 15:54:51 -07:00
thermal_core.h Thermal: initialize thermal zone device correctly 2015-12-29 15:59:44 +08:00
thermal_hwmon.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
thermal_hwmon.h thermal: hwmon: move hwmon support to single file 2013-09-03 09:09:12 -04:00
user_space.c Thermal: build thermal governors into thermal_sys module 2013-04-14 23:28:43 +08:00
x86_pkg_temp_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00