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ef1d87e06a
linux/drivers/thermal
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Keerthy ef1d87e06a thermal: core: Add a back up thermal shutdown mechanism 
orderly_poweroff is triggered when a graceful shutdown
of system is desired. This may be used in many critical states of the
kernel such as when subsystems detects conditions such as critical
temperature conditions. However, in certain conditions in system
boot up sequences like those in the middle of driver probes being
initiated, userspace will be unable to power off the system in a clean
manner and leaves the system in a critical state. In cases like these,
the /sbin/poweroff will return success (having forked off to attempt
powering off the system. However, the system overall will fail to
completely poweroff (since other modules will be probed) and the system
is still functional with no userspace (since that would have shut itself
off).

However, there is no clean way of detecting such failure of userspace
powering off the system. In such scenarios, it is necessary for a backup
workqueue to be able to force a shutdown of the system when orderly
shutdown is not successful after a configurable time period.

Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-05-05 16:01:45 +08:00
..
int340x_thermal thermal: int340x_thermal: use permission-specific DEVICE_ATTR variants 2016-11-23 10:05:25 +08:00
qcom thermal: qcom: tsens: Fix return value check in init_common() 2016-09-27 14:02:16 +08:00
samsung thermal: exynos: Remove parsing unused samsung,tmu_cal_mode property 2017-02-18 17:22:27 -08:00
st thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
tegra thermal: tegra: add hw-throttle for Tegra132 2016-09-27 14:02:32 +08:00
ti-soc-thermal thermal: arm: dra752: Remove all TSHUT related definitions 2017-02-18 17:44:18 -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: convert clock cooling to use an IDA 2017-01-04 12:47:28 +08:00
cpu_cooling.c thermal: cpu_cooling: Check OPP for errors 2017-03-13 10:06:55 +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: db8500: Fix module autoload 2016-11-23 10:07:35 +08:00
devfreq_cooling.c thermal: devfreq: Check OPP for errors 2017-03-13 10:06:42 +08:00
dove_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
fair_share.c thermal: fix race condition when updating cooling device 2016-08-08 10:57:39 +08:00
gov_bang_bang.c thermal: bang-bang governor: act on lower trip boundary 2016-09-27 14:02:16 +08:00
hisi_thermal.c thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
imx_thermal.c thermal: imx: Fix possible NULL dereference. 2017-02-18 17:27:36 -08:00
intel_bxt_pmic_thermal.c thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
intel_pch_thermal.c thermal: intel_pch_thermal: Support skylake PCH 100 series thermal 2016-11-23 10:05:52 +08:00
intel_powerclamp.c sched/headers: Prepare for new header dependencies before moving code to <uapi/linux/sched/types.h> 2017-03-02 08:42:27 +01:00
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 thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
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 x86, thermal: Clean up and fix CPU model detection for intel_soc_dts_thermal 2016-06-08 13:03:26 +02:00
Kconfig thermal: core: Add a back up thermal shutdown mechanism 2017-05-05 16:01:45 +08:00
kirkwood_thermal.c thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
Makefile thermal: zx2967: add thermal driver for ZTE's zx2967 family 2017-02-18 16:36:12 -08:00
max77620_thermal.c thermal: max77620: Fix module autoload 2016-11-23 10:07:35 +08:00
mtk_thermal.c thermal: mtk_thermal: Staticise a number of data variables 2017-02-18 17:44:29 -08:00
of-thermal.c thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
power_allocator.c thermal: fix race condition when updating cooling device 2016-08-08 10:57:39 +08:00
qcom-spmi-temp-alarm.c thermal: qcom-spmi: Treat reg property as a single cell 2016-11-23 10:07:35 +08:00
qoriq_thermal.c thermal: qoriq: Add thermal management support 2016-09-27 14:02:16 +08:00
rcar_gen3_thermal.c thermal: rcar_gen3_thermal: Add R-Car Gen3 thermal driver 2017-01-19 20:15:28 -08:00
rcar_thermal.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2016-10-12 11:05:23 -07:00
rockchip_thermal.c thermal: rockchip: fixes the conversion table 2017-01-16 20:30:49 -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: fix race condition when updating cooling device 2016-08-08 10:57:39 +08:00
tango_thermal.c thermal: tango: Fix module autoload 2016-11-23 10:07:35 +08:00
thermal_core.c thermal: core: Add a back up thermal shutdown mechanism 2017-05-05 16:01:45 +08:00
thermal_core.h thermal: core: move cooling device sysfs to thermal_sysfs.c 2016-11-23 10:06:12 +08:00
thermal_helpers.c thermal: core: move slop and offset helpers to thermal_helpers.c 2016-11-23 10:06:12 +08:00
thermal_hwmon.c Revert "thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()" 2017-01-25 09:51:08 +08:00
thermal_hwmon.h thermal: hwmon: move hwmon support to single file 2013-09-03 09:09:12 -04:00
thermal_sysfs.c thermal: sysfs: use kcalloc() instead of kzalloc() 2016-11-23 10:06:12 +08:00
thermal-generic-adc.c thermal: generic-adc: Add ADC based thermal sensor driver 2016-05-17 07:28:31 -07:00
user_space.c thermal: user_space gov: Add additional information in uevent 2016-09-27 14:37:10 +08:00
x86_pkg_temp_thermal.c thermal/x86 pkg temp: Convert to hotplug state machine 2016-11-30 10:25:47 +08:00
zx2967_thermal.c thermal: zx2967: add thermal driver for ZTE's zx2967 family 2017-02-18 16:36:12 -08:00