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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-24 12:43:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-24 12:43:06 -0800
commit81f05fee8c063cfc1614ddba1ce88cb1129f263d (patch)
tree3a2d305e26011f87f1ace81b70361bdb4a8d1898 /include
parentc52cb4311f20538fcb69420e55a19ac622546a08 (diff)
parent98d94507e10c3c0a5cfc1c3ac4df23e761f1b874 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui: "The top merge commit was re-generated yesterday because two topic branches were dropped from this pull request in the last minute due to some unaddressed comments. All the other material has been in linux-next for quite a while. Specifics: - Enhance thermal core to handle unexpected device cooling states after fresh boot and system resume. From Zhang Rui and Chen Yu. - Several fixes and cleanups on Rockchip and RCAR thermal drivers. From Caesar Wang and Kuninori Morimoto. - Add Broxton support for Intel processor thermal reporting device driver. From Amy Wiles" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: trip_point_temp_store() calls thermal_zone_device_update() thermal: rcar: rcar_thermal_get_temp() return error if strange temp thermal: rcar: check irq possibility in rcar_thermal_irq_xxx() thermal: rcar: check every rcar_thermal_update_temp() return value thermal: rcar: move rcar_thermal_dt_ids to upside thermal: rockchip: Support the RK3399 SoCs in thermal driver thermal: rockchip: Support the RK3228 SoCs in thermal driver dt-bindings: rockchip-thermal: Support the RK3228/RK3399 SoCs compatible thermal: rockchip: fix a trivial typo Thermal: Enable Broxton SoC thermal reporting device thermal: constify pch_dev_ops structure Thermal: do thermal zone update after a cooling device registered Thermal: handle thermal zone device properly during system sleep Thermal: initialize thermal zone device correctly
Diffstat (limited to 'include')
-rw-r--r--include/linux/thermal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 613c29bd6baf..e13a1ace50e9 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -43,6 +43,9 @@
/* Default weight of a bound cooling device */
#define THERMAL_WEIGHT_DEFAULT 0
+/* use value, which < 0K, to indicate an invalid/uninitialized temperature */
+#define THERMAL_TEMP_INVALID -274000
+
/* Unit conversion macros */
#define DECI_KELVIN_TO_CELSIUS(t) ({ \
long _t = (t); \
@@ -167,6 +170,7 @@ struct thermal_attr {
* @forced_passive: If > 0, temperature at which to switch on all ACPI
* processor cooling devices. Currently only used by the
* step-wise governor.
+ * @need_update: if equals 1, thermal_zone_device_update needs to be invoked.
* @ops: operations this &thermal_zone_device supports
* @tzp: thermal zone parameters
* @governor: pointer to the governor for this thermal zone
@@ -194,6 +198,7 @@ struct thermal_zone_device {
int emul_temperature;
int passive;
unsigned int forced_passive;
+ atomic_t need_update;
struct thermal_zone_device_ops *ops;
struct thermal_zone_params *tzp;
struct thermal_governor *governor;