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core:
- Make wait_event_hrtimeout() ware of RT/DL tasks
drivers:
- New driver for the R-Car Gen4 timer
- New driver for the Tegra186 timer
- New driver for the Mediatek MT6795 CPUXGPT timer
- Rework suspend/resume handling in timer drivers so it
takes inactive clocks into account.
- The usual device tree compatible add ons
- Small fixed and cleanups all over the place
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Merge tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Timers, timekeeping and related drivers update:
Core:
- Make wait_event_hrtimeout() aware of RT/DL tasks
New drivers:
- R-Car Gen4 timer
- Tegra186 timer
- Mediatek MT6795 CPUXGPT timer
Updates:
- Rework suspend/resume handling in timer drivers so it
takes inactive clocks into account.
- The usual device tree compatible add ons
- Small fixed and cleanups all over the place"
* tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
wait: Fix __wait_event_hrtimeout for RT/DL tasks
clocksource/drivers/sun5i: Remove unnecessary (void*) conversions
dt-bindings: timer: allwinner,sun4i-a10-timer: Add D1 compatible
dt-bindings: timer: ingenic,tcu: use absolute path to other schema
clocksource/drivers/sun4i: Remove unnecessary (void*) conversions
dt-bindings: timer: renesas,cmt: Fix R-Car Gen4 fall-out
clocksource/drivers/tegra186: Put Kconfig option 'tristate' to 'bool'
clocksource/drivers/timer-ti-dm: Make driver selection bool for TI K3
clocksource/drivers/timer-ti-dm: Add compatible for am6 SoCs
clocksource/drivers/timer-ti-dm: Make timer selectable for ARCH_K3
clocksource/drivers/timer-ti-dm: Move inline functions to driver for am6
clocksource/drivers/sh_cmt: Add R-Car Gen4 support
dt-bindings: timer: renesas,cmt: R-Car V3U is R-Car Gen4
dt-bindings: timer: renesas,cmt: Add r8a779f0 and generic Gen4 CMT support
clocksource/drivers/timer-microchip-pit64b: Fix compilation warnings
clocksource/drivers/timer-microchip-pit64b: Use mchp_pit64b_{suspend, resume}
clocksource/drivers/timer-microchip-pit64b: Remove suspend/resume ops for ce
thermal/drivers/rcar_gen3_thermal: Add r8a779f0 support
clocksource/drivers/timer-mediatek: Implement CPUXGPT timers
dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795 compatible
...
Load-balancing improvements:
============================
- Improve NUMA balancing on AMD Zen systems for affine workloads.
- Improve the handling of reduced-capacity CPUs in load-balancing.
- Energy Model improvements: fix & refine all the energy fairness metrics (PELT),
and remove the conservative threshold requiring 6% energy savings to
migrate a task. Doing this improves power efficiency for most workloads,
and also increases the reliability of energy-efficiency scheduling.
- Optimize/tweak select_idle_cpu() to spend (much) less time searching
for an idle CPU on overloaded systems. There's reports of several
milliseconds spent there on large systems with large workloads ...
[ Since the search logic changed, there might be behavioral side effects. ]
- Improve NUMA imbalance behavior. On certain systems
with spare capacity, initial placement of tasks is non-deterministic,
and such an artificial placement imbalance can persist for a long time,
hurting (and sometimes helping) performance.
The fix is to make fork-time task placement consistent with runtime
NUMA balancing placement.
Note that some performance regressions were reported against this,
caused by workloads that are not memory bandwith limited, which benefit
from the artificial locality of the placement bug(s). Mel Gorman's
conclusion, with which we concur, was that consistency is better than
random workload benefits from non-deterministic bugs:
"Given there is no crystal ball and it's a tradeoff, I think it's
better to be consistent and use similar logic at both fork time
and runtime even if it doesn't have universal benefit."
- Improve core scheduling by fixing a bug in sched_core_update_cookie() that
caused unnecessary forced idling.
- Improve wakeup-balancing by allowing same-LLC wakeup of idle CPUs for newly
woken tasks.
- Fix a newidle balancing bug that introduced unnecessary wakeup latencies.
ABI improvements/fixes:
=======================
- Do not check capabilities and do not issue capability check denial messages
when a scheduler syscall doesn't require privileges. (Such as increasing niceness.)
- Add forced-idle accounting to cgroups too.
- Fix/improve the RSEQ ABI to not just silently accept unknown flags.
(No existing tooling is known to have learned to rely on the previous behavior.)
- Depreciate the (unused) RSEQ_CS_FLAG_NO_RESTART_ON_* flags.
Optimizations:
==============
- Optimize & simplify leaf_cfs_rq_list()
- Micro-optimize set_nr_{and_not,if}_polling() via try_cmpxchg().
Misc fixes & cleanups:
======================
- Fix the RSEQ self-tests on RISC-V and Glibc 2.35 systems.
- Fix a full-NOHZ bug that can in some cases result in the tick not being
re-enabled when the last SCHED_RT task is gone from a runqueue but there's
still SCHED_OTHER tasks around.
- Various PREEMPT_RT related fixes.
- Misc cleanups & smaller fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Load-balancing improvements:
- Improve NUMA balancing on AMD Zen systems for affine workloads.
- Improve the handling of reduced-capacity CPUs in load-balancing.
- Energy Model improvements: fix & refine all the energy fairness
metrics (PELT), and remove the conservative threshold requiring 6%
energy savings to migrate a task. Doing this improves power
efficiency for most workloads, and also increases the reliability
of energy-efficiency scheduling.
- Optimize/tweak select_idle_cpu() to spend (much) less time
searching for an idle CPU on overloaded systems. There's reports of
several milliseconds spent there on large systems with large
workloads ...
[ Since the search logic changed, there might be behavioral side
effects. ]
- Improve NUMA imbalance behavior. On certain systems with spare
capacity, initial placement of tasks is non-deterministic, and such
an artificial placement imbalance can persist for a long time,
hurting (and sometimes helping) performance.
The fix is to make fork-time task placement consistent with runtime
NUMA balancing placement.
Note that some performance regressions were reported against this,
caused by workloads that are not memory bandwith limited, which
benefit from the artificial locality of the placement bug(s). Mel
Gorman's conclusion, with which we concur, was that consistency is
better than random workload benefits from non-deterministic bugs:
"Given there is no crystal ball and it's a tradeoff, I think
it's better to be consistent and use similar logic at both fork
time and runtime even if it doesn't have universal benefit."
- Improve core scheduling by fixing a bug in
sched_core_update_cookie() that caused unnecessary forced idling.
- Improve wakeup-balancing by allowing same-LLC wakeup of idle CPUs
for newly woken tasks.
- Fix a newidle balancing bug that introduced unnecessary wakeup
latencies.
ABI improvements/fixes:
- Do not check capabilities and do not issue capability check denial
messages when a scheduler syscall doesn't require privileges. (Such
as increasing niceness.)
- Add forced-idle accounting to cgroups too.
- Fix/improve the RSEQ ABI to not just silently accept unknown flags.
(No existing tooling is known to have learned to rely on the
previous behavior.)
- Depreciate the (unused) RSEQ_CS_FLAG_NO_RESTART_ON_* flags.
Optimizations:
- Optimize & simplify leaf_cfs_rq_list()
- Micro-optimize set_nr_{and_not,if}_polling() via try_cmpxchg().
Misc fixes & cleanups:
- Fix the RSEQ self-tests on RISC-V and Glibc 2.35 systems.
- Fix a full-NOHZ bug that can in some cases result in the tick not
being re-enabled when the last SCHED_RT task is gone from a
runqueue but there's still SCHED_OTHER tasks around.
- Various PREEMPT_RT related fixes.
- Misc cleanups & smaller fixes"
* tag 'sched-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
rseq: Kill process when unknown flags are encountered in ABI structures
rseq: Deprecate RSEQ_CS_FLAG_NO_RESTART_ON_* flags
sched/core: Fix the bug that task won't enqueue into core tree when update cookie
nohz/full, sched/rt: Fix missed tick-reenabling bug in dequeue_task_rt()
sched/core: Always flush pending blk_plug
sched/fair: fix case with reduced capacity CPU
sched/core: Use try_cmpxchg in set_nr_{and_not,if}_polling
sched/core: add forced idle accounting for cgroups
sched/fair: Remove the energy margin in feec()
sched/fair: Remove task_util from effective utilization in feec()
sched/fair: Use the same cpumask per-PD throughout find_energy_efficient_cpu()
sched/fair: Rename select_idle_mask to select_rq_mask
sched, drivers: Remove max param from effective_cpu_util()/sched_cpu_util()
sched/fair: Decay task PELT values during wakeup migration
sched/fair: Provide u64 read for 32-bits arch helper
sched/fair: Introduce SIS_UTIL to search idle CPU based on sum of util_avg
sched: only perform capability check on privileged operation
sched: Remove unused function group_first_cpu()
sched/fair: Remove redundant word " *"
selftests/rseq: check if libc rseq support is registered
...
global variable, fix comments and rework the trace information
(Lukasz Luba)
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn)
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
Sang)
- Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
Kozlowski)
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano)
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof)
- Fix array underflow in prep_lookup_table (Dan Carpenter)
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun)
- Fix typos in comments detected on sun8i by Coccinelle (Julia Lawall)
- Fix typos in comments on rzg2l (Biju Das)
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li)
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov)
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer)
- Fix typo in the comments for the 'tmon' tool (Slark Xiao)
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to be
used by the different sensors when registering a thermal zone
(Daniel Lezcano)
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Merge tag 'thermal-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal control changes for 5.20-rc1 from Daniel Lezcano:
"- Make per cpufreq / devfreq cooling device ops instead of using a
global variable, fix comments and rework the trace information
(Lukasz Luba)
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn)
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
Sang)
- Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
Kozlowski)
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano)
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof)
- Fix array underflow in prep_lookup_table (Dan Carpenter)
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun)
- Fix typos in comments detected on sun8i by Coccinelle (Julia Lawall)
- Fix typos in comments on rzg2l (Biju Das)
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li)
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov)
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer)
- Fix typo in the comments for the 'tmon' tool (Slark Xiao)
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to be
used by the different sensors when registering a thermal zone
(Daniel Lezcano)"
* tag 'thermal-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (36 commits)
thermal/of: Initialize trip points separately
thermal/of: Use thermal trips stored in the thermal zone
thermal/core: Add thermal_trip in thermal_zone
thermal/core: Rename 'trips' to 'num_trips'
thermal/core: Move thermal_set_delay_jiffies to static
thermal/core: Remove unneeded EXPORT_SYMBOLS
thermal/of: Move thermal_trip structure to thermal.h
thermal/of: Remove the device node pointer for thermal_trip
thermal/of: Replace device node match with device node search
thermal/core: Remove duplicate information when an error occurs
thermal/core: Avoid calling ->get_trip_temp() unnecessarily
thermal/tools/tmon: Fix typo 'the the' in comment
thermal/tools/tmon: Include pthread and time headers in tmon.h
thermal/ti-soc-thermal: Fix comment typo
thermal/drivers/qcom/spmi-adc-tm5: Register thermal zones as hwmon sensors
thermal/drivers/qcom/temp-alarm: Register thermal zones as hwmon sensors
thermal/drivers/u8500: Remove unnecessary print function dev_err()
thermal/drivers/rzg2l: Fix comments
thermal/drivers/sun8i: Fix typo in comment
thermal/drivers/k3_j72xx_bandgap: Make k3_j72xx_bandgap_j721e_data and k3_j72xx_bandgap_j7200_data static
...
Merge changes that make the thermal core use ida_alloc()/free()
directly instead of ida_simple_get()/ida_simple_remove() that have been
deprecated.
* thermal-core:
thermal: Directly use ida_alloc()/free()
Self contain the trip initialization from the device tree in a single
function for the sake of making the code flow more clear.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-11-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Now that we have the thermal trip stored in the thermal zone in a
generic way, we can rely on them and remove one indirection we found
in the thermal_of code and do one more step forward the removal of the
duplicated structures.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-10-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The thermal trip points are properties of a thermal zone and the
different sub systems should be able to save them in the thermal zone
structure instead of having their own definition.
Give the opportunity to the drivers to create a thermal zone with
thermal trips which will be accessible directly from the thermal core
framework.
As we added the thermal trip points structure in the thermal zone,
let's extend the thermal zone register function to have the thermal
trip structures as a parameter and store it in the 'trips' field of
the thermal zone structure.
The thermal zone contains the trip point, we can store them directly
when registering the thermal zone. That will allow another step
forward to remove the duplicate thermal zone structure we find in the
thermal_of code.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-9-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
In order to use thermal trips defined in the thermal structure, rename
the 'trips' field to 'num_trips' to have the 'trips' field containing the
thermal trip points.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-8-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The function 'thermal_set_delay_jiffies' is only used in
thermal_core.c but it is defined and implemented in a separate
file. Move the function to thermal_core.c and make it static.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-7-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Different functions are exporting the symbols but are actually only
used by the thermal framework internals. Remove these EXPORT_SYMBOLS.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-6-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The structure thermal_trip is now generic and will be usable by the
different sensor drivers in place of their own structure.
Move its definition to thermal.h to make it accessible.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-5-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The device node pointer is no longer needed in the thermal trip
structure, remove it.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-4-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The thermal_of code builds a trip array associated with the node
pointer in order to compare the trip point phandle with the list.
The thermal trip is a thermal zone property and should be moved
there. If some sensors have hardcoded trip points, they should use the
exported structure instead of redefining again and again their own
structure and data to describe exactly the same things.
In order to move this to the thermal.h header and allow more cleanup,
we need to remove the node pointer from the structure.
Instead of building storing the device node, we search directly in the
device tree the corresponding node. That results in a simplification
of the code and allows to move the structure to thermal.h
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-3-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The pr_err already tells it is an error, it is pointless to add the
'Error:' string in the messages. Remove them.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-2-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
As the trip temperature is already available when calling the function
handle_critical_trips(), pass it as a parameter instead of having this
function calling the ops again to retrieve the same data.
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220718145038.1114379-2-daniel.lezcano@linaro.org
Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220719054940.755907-2-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220719054940.755907-1-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The print function dev_err() is redundant because platform_get_irq()
already prints an error.
Eliminate the follow coccicheck warnings:
./drivers/thermal/db8500_thermal.c:162:2-9: line 162 is redundant because platform_get_irq() already prints an error
./drivers/thermal/db8500_thermal.c:176:2-9: line 176 is redundant because platform_get_irq() already prints an error
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220719003556.74460-1-yang.lee@linux.alibaba.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This patch replaces 'Capture times'->'Total number of ADC data samples' as
the former does not really explain much.
It also fixes the typo
* caliberation->calibration
Lastly, as per the coding style /* should be on a separate line.
This patch fixes this issue.
Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220718121440.556408-1-biju.das.jz@bp.renesas.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220521111145.81697-36-Julia.Lawall@inria.fr
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Fix sparse warnings:
drivers/thermal/k3_j72xx_bandgap.c:532:36: sparse: sparse: symbol 'k3_j72xx_bandgap_j721e_data' was not declared. Should it be static?
drivers/thermal/k3_j72xx_bandgap.c:536:36: sparse: sparse: symbol 'k3_j72xx_bandgap_j7200_data' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jin Xiaoyun <jinxiaoyun2@huawei.com>
Link: https://lore.kernel.org/r/20220613063111.654893-1-jinxiaoyun2@huawei.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This while loop exits with "i" set to -1 and so then it sets:
derived_table[-1] = derived_table[0] - 300;
There is no need for this assignment at all. Just delete it.
Fixes: 72b3fc61c752 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YoetjwcOEzYEFp9b@kili
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
If an error occurs in the k3_j72xx_bandgap_probe() function the memory
allocated to the 'ref_table' will not be released.
Add a err_free_ref_table step to the error path to free 'ref_table'
Fixes: 72b3fc61c752 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Link: https://lore.kernel.org/r/20220525213617.30002-1-bb@ti.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The trends DROP_FULL and RAISE_FULL are not used and were never used
in the past AFAICT. Remove these conditions as they seems to not be
handled anywhere.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220629151012.3115773-2-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The code is actually clampling the next cooling device state using the
lowest and highest states of the thermal instance.
That code can be replaced by the clamp() macro which does exactly the
same. It results in a simpler routine to read.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220629151012.3115773-1-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The get_trend function relies on the interrupt to set the raising or
dropping trend. However the interpolated temperature is already giving
the temperature information to the thermal framework which is able to
deduce the trend.
Remove the trend code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220616202537.303655-3-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The get_trend function does already what the generic framework does.
Remove it.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/r/20220616202537.303655-2-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
There is a get_trend function which is a wrapper to call a private
get_trend function. However, this private get_trend function is not
assigned anywhere.
Remove this dead code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Amit Kucheria <amitk@kernel.org>
Link: https://lore.kernel.org/r/20220616202537.303655-1-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
When setting up a new board, a plain "Can't register thermal zone"
didn't help me much because the thermal zones in DT were all fine. I
just had a sensor entry too much in the parent TSC node. Reword the
failure/success messages to contain the sensor number to make it easier
to understand which sensor is affected. Example output now:
rcar_gen3_thermal e6198000.thermal: Sensor 0: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 1: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 2: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 3: Can't register thermal zone
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20220610200500.6727-1-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Remove unneeded global variable devfreq_cooling_ops which is used only
as a copy pattern. Instead, extend the struct devfreq_cooling_device with
the needed ops structure. This also simplifies the allocation/free code
during the setup/cleanup.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-5-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The code has moved and left some comments stale. Update them where
there is a need.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-4-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Simplify the thermal_power_cpu_get_power trace event by removing
complicated cpumask and variable length array. Now the tools parsing trace
output don't have to hassle to get this power data. The simplified format
version uses 'policy->cpu'. Remove also the 'load' information completely
since there is very little value of it in this trace event. To get the
CPUs' load (or utilization) there are other dedicated trace hooks in the
kernel. This patch also simplifies and speeds-up the main cooling code
when that trace event is enabled.
Rename the trace event to avoid confusion of tools which parse the trace
file.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-3-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
It is very unlikely that one CPU cluster would have the EM and some other
won't have it (because EM registration failed or DT lacks needed entry).
Although, we should avoid modifying global variable with callbacks anyway.
Redesign this and add safety for such situation.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220613124327.30766-2-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Walleij)
- Fix grammar typo in the ARM global timer Kconfig option (Randy
Dunlap)
- Add the tegra186 timer and use it on the tegra234 board (Thierry
Reding)
- Add the 'CPUXGPT' CPU timer for Mediatek MT6795 and implement a
workaround to overcome an ATF bug where the timer is not correctly
initialized (AngeloGioacchino Del Regno)
- Rework the suspend/resume approach to enable the feature on the
timer even it is not an active clock and fix a compilation warning
(Claudiu Beznea)
- Add the Add R-Car Gen4 timer support along with the DT bindings
(Wolfram Sang)
- Add compatible for ti,am654-timer to support AM6 SoC (Tony Lindgren)
- Fix Kconfig option to put it back to 'bool' instead of 'tristate'
for the tegra186 (Daniel Lezcano)
- Sort 'family,type' DT bindings for the Renesas timers (Geert
Uytterhoeven)
- Add compatible 'allwinner,sun20i-d1-timer' for Allwinner D1 (Samuel
Holland)
- Remove unnecessary (void*) conversions for sun4i (XU pengfei)
- Remove unnecessary (void*) conversions for sun5i (Li zeming)
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Merge tag 'timers-v5.20-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core
Pull clockevent/source updates from Daniel Lezcano:
- Add the missing DT bindings for the MTU nomadik timer (Linus
Walleij)
- Fix grammar typo in the ARM global timer Kconfig option (Randy
Dunlap)
- Add the tegra186 timer and use it on the tegra234 board (Thierry
Reding)
- Add the 'CPUXGPT' CPU timer for Mediatek MT6795 and implement a
workaround to overcome an ATF bug where the timer is not correctly
initialized (AngeloGioacchino Del Regno)
- Rework the suspend/resume approach to enable the feature on the
timer even it is not an active clock and fix a compilation warning
(Claudiu Beznea)
- Add the Add R-Car Gen4 timer support along with the DT bindings
(Wolfram Sang)
- Add compatible for ti,am654-timer to support AM6 SoC (Tony Lindgren)
- Fix Kconfig option to put it back to 'bool' instead of 'tristate'
for the tegra186 (Daniel Lezcano)
- Sort 'family,type' DT bindings for the Renesas timers (Geert
Uytterhoeven)
- Add compatible 'allwinner,sun20i-d1-timer' for Allwinner D1 (Samuel
Holland)
- Remove unnecessary (void*) conversions for sun4i (XU pengfei)
- Remove unnecessary (void*) conversions for sun5i (Li zeming)
Link: https://lore.kernel.org/all/7472984e-f502-5f27-82bf-070127dd85a5@linaro.org
If ACPI_FADT_LOW_POWER_S0 is not set, this doesn't mean that low-power
S0 idle is not usable. It merely means that using S3 on the given
system is more beneficial from the energy saving perspective than using
low-power S0 idle, as long as S3 is supported.
Suspend-to-idle is still a valid suspend mode if ACPI_FADT_LOW_POWER_S0
is not set and the pm_suspend_via_firmware() check in pch_wpt_suspend()
is sufficient to distinguish suspend-to-idle from S3, so drop the
confusing ACPI_FADT_LOW_POWER_S0 check.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
The milli-Watts precision causes rounding errors while calculating
efficiency cost for each OPP. This is especially visible in the 'simple'
Energy Model (EM), where the power for each OPP is provided from OPP
framework. This can cause some OPPs to be marked inefficient, while
using micro-Watts precision that might not happen.
Update all EM users which access 'power' field and assume the value is
in milli-Watts.
Solve also an issue with potential overflow in calculation of energy
estimation on 32bit machine. It's needed now since the power value
(thus the 'cost' as well) are higher.
Example calculation which shows the rounding error and impact:
power = 'dyn-power-coeff' * volt_mV * volt_mV * freq_MHz
power_a_uW = (100 * 600mW * 600mW * 500MHz) / 10^6 = 18000
power_a_mW = (100 * 600mW * 600mW * 500MHz) / 10^9 = 18
power_b_uW = (100 * 605mW * 605mW * 600MHz) / 10^6 = 21961
power_b_mW = (100 * 605mW * 605mW * 600MHz) / 10^9 = 21
max_freq = 2000MHz
cost_a_mW = 18 * 2000MHz/500MHz = 72
cost_a_uW = 18000 * 2000MHz/500MHz = 72000
cost_b_mW = 21 * 2000MHz/600MHz = 70 // <- artificially better
cost_b_uW = 21961 * 2000MHz/600MHz = 73203
The 'cost_b_mW' (which is based on old milli-Watts) is misleadingly
better that the 'cost_b_uW' (this patch uses micro-Watts) and such
would have impact on the 'inefficient OPPs' information in the Cpufreq
framework. This patch set removes the rounding issue.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is an unexpected word 'is' in a comments that need to be dropped
file: ./drivers/thermal/intel/x86_pkg_temp_thermal.c
line: 108
* tj-max is is interesting because threshold is set relative to this
changed to:
* tj-max is interesting because threshold is set relative to this
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add a new CPU ID to the list of supported processors in the
intel_tcc_cooling driver (Sumeet Pawnikar).
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Merge tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"Add a new CPU ID to the list of supported processors in the
intel_tcc_cooling driver (Sumeet Pawnikar)"
* tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel_tcc_cooling: Add TCC cooling support for RaptorLake
Add RaptorLake to the list of processor models supported by the Intel
TCC cooling driver.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
[ rjw: Subject edits, new changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
effective_cpu_util() already has a `int cpu' parameter which allows to
retrieve the CPU capacity scale factor (or maximum CPU capacity) inside
this function via an arch_scale_cpu_capacity(cpu).
A lot of code calling effective_cpu_util() (or the shim
sched_cpu_util()) needs the maximum CPU capacity, i.e. it will call
arch_scale_cpu_capacity() already.
But not having to pass it into effective_cpu_util() will make the EAS
wake-up code easier, especially when the maximum CPU capacity reduced
by the thermal pressure is passed through the EAS wake-up functions.
Due to the asymmetric CPU capacity support of arm/arm64 architectures,
arch_scale_cpu_capacity(int cpu) is a per-CPU variable read access via
per_cpu(cpu_scale, cpu) on such a system.
On all other architectures it is a a compile-time constant
(SCHED_CAPACITY_SCALE).
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lkml.kernel.org/r/20220621090414.433602-4-vdonnefort@google.com
Use ida_alloc()/ida_free() instead of deprecated
ida_simple_get()/ida_simple_remove() as recommended.
Signed-off-by: keliu <liuke94@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Based on the normalized pattern:
this program is free software you can redistribute it and/or modify it
under the terms of the gnu general public license version 2 as
published by the free software foundation this program is distributed
as is without any warranty of any kind whether express or implied
without even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add Meteor Lake PCI device ID to the int340x thermal control
driver (Sumeet Pawnikar).
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Merge tag 'thermal-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull additional thermal control update from Rafael Wysocki:
"Add Meteor Lake PCI device ID to the int340x thermal control driver
(Sumeet Pawnikar)"
* tag 'thermal-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: int340x: Add Meteor Lake PCI device ID
Add Meteor Lake PCI ID for processor thermal device.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add thermal library and thermal tools to encapsulate the netlink
into event based callbacks (Daniel Lezcano, Jiapeng Chong).
- Improve overheat condition handling during suspend-to-idle in the
Intel PCH thermal driver (Zhang Rui).
- Use local ops instead of global ops in devfreq_cooling (Kant Fan).
- Clean up _OSC handling in int340x (Davidlohr Bueso).
- Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
(Hesham Almatary).
- Add new k3 j72xx bangdap driver and the corresponding bindings
(Keerthy).
- Fix missing of_node_put() in the SC iMX driver at probe time
(Miaoqian Lin).
- Fix memory leak in __thermal_cooling_device_register() when
device_register() fails by calling thermal_cooling_device_destroy_sysfs()
(Yang Yingliang).
- Add sc8180x and sc8280xp compatible string in the DT bindings and
lMH support for QCom tsens driver (Bjorn Andersson).
- Fix OTP Calibration Register values conforming to the documentation
on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).
- Fix type in kerneldoc description for __thermal_bind_params (Corentin
Labbe).
- Fix potential NULL dereference in sr_thermal_probe() on Broadcom
platform (Zheng Yongjun).
- Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
Pallikunhi).
- Fix non-negative value support by preventing the value to be clamp
to zero (Stefan Wahren).
- Add compatible string and DT bindings for MSM8960 tsens driver
(Dmitry Baryshkov).
- Add hwmon support for K3 driver (Massimiliano Minella).
- Refactor and add multiple generations support for QCom ADC driver
(Jishnu Prakash).
- Use platform_get_irq_optional() to get the interrupt on RCar driver and
document Document RZ/V2L bindings (Lad Prabhakar).
- Remove NULL check after container_of() call from the Intel HFI
thermal driver (Haowen Bai).
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Merge tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These add a thermal library and thermal tools to wrap the netlink
interface into event-based callbacks, improve overheat condition
handling during suspend-to-idle on Intel SoCs, add some new hardware
support, fix bugs and clean up code.
Specifics:
- Add thermal library and thermal tools to encapsulate the netlink
into event based callbacks (Daniel Lezcano, Jiapeng Chong).
- Improve overheat condition handling during suspend-to-idle in the
Intel PCH thermal driver (Zhang Rui).
- Use local ops instead of global ops in devfreq_cooling (Kant Fan).
- Clean up _OSC handling in int340x (Davidlohr Bueso).
- Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
(Hesham Almatary).
- Add new k3 j72xx bangdap driver and the corresponding bindings
(Keerthy).
- Fix missing of_node_put() in the SC iMX driver at probe time
(Miaoqian Lin).
- Fix memory leak in __thermal_cooling_device_register()
when device_register() fails by calling
thermal_cooling_device_destroy_sysfs() (Yang Yingliang).
- Add sc8180x and sc8280xp compatible string in the DT bindings and
lMH support for QCom tsens driver (Bjorn Andersson).
- Fix OTP Calibration Register values conforming to the documentation
on RZ/G2L and bindings documentation for RZ/G2UL (Biju Das).
- Fix type in kerneldoc description for __thermal_bind_params
(Corentin Labbe).
- Fix potential NULL dereference in sr_thermal_probe() on Broadcom
platform (Zheng Yongjun).
- Add change mode ops to the thermal-of sensor (Manaf Meethalavalappu
Pallikunhi).
- Fix non-negative value support by preventing the value to be clamp
to zero (Stefan Wahren).
- Add compatible string and DT bindings for MSM8960 tsens driver
(Dmitry Baryshkov).
- Add hwmon support for K3 driver (Massimiliano Minella).
- Refactor and add multiple generations support for QCom ADC driver
(Jishnu Prakash).
- Use platform_get_irq_optional() to get the interrupt on RCar driver
and document Document RZ/V2L bindings (Lad Prabhakar).
- Remove NULL check after container_of() call from the Intel HFI
thermal driver (Haowen Bai)"
* tag 'thermal-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (38 commits)
thermal: intel: pch: improve the cooling delay log
thermal: intel: pch: enhance overheat handling
thermal: intel: pch: move cooling delay to suspend_noirq phase
PM: wakeup: expose pm_wakeup_pending to modules
thermal: k3_j72xx_bandgap: Add the bandgap driver support
dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation
thermal/drivers/imx_sc_thermal: Fix refcount leak in imx_sc_thermal_probe
thermal/core: Fix memory leak in __thermal_cooling_device_register()
dt-bindings: thermal: tsens: Add sc8280xp compatible
dt-bindings: thermal: lmh: Add Qualcomm sc8180x compatible
thermal/drivers/qcom/lmh: Add sc8180x compatible
thermal/drivers/rz2gl: Fix OTP Calibration Register values
dt-bindings: thermal: rzg2l-thermal: Document RZ/G2UL bindings
thermal: thermal_of: fix typo on __thermal_bind_params
tools/thermal: remove unneeded semicolon
tools/lib/thermal: remove unneeded semicolon
thermal/drivers/broadcom: Fix potential NULL dereference in sr_thermal_probe
tools/thermal: Add thermal daemon skeleton
tools/thermal: Add a temperature capture tool
tools/thermal: Add util library
...
- Update the Energy Model support code to allow the Energy Model to be
artificial, which means that the power values may not be on a uniform
scale with other devices providing power information, and update the
cpufreq_cooling and devfreq_cooling thermal drivers to support
artificial Energy Models (Lukasz Luba).
- Make DTPM check the Energy Model type (Lukasz Luba).
- Fix policy counter decrementation in cpufreq if Energy Model is in
use (Pierre Gondois).
- Add CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- Export dev_pm_ops instead of suspend() and resume() in the IIO
chemical scd30 driver (Jonathan Cameron).
- Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
PM-runtime counterparts (Jonathan Cameron).
- Move symbol exports in the IIO chemical scd30 driver into the
IIO_SCD30 namespace (Jonathan Cameron).
- Avoid device PM-runtime usage count underflows (Rafael Wysocki).
- Allow dynamic debug to control printing of PM messages (David
Cohen).
- Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
Bai).
- Preserve ACPI-table override during hibernation (Amadeusz Sławiński).
- Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
- Make Intel RAPL power capping driver support the RaptorLake and
AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
- Remove redundant store to value after multiply in the RAPL power
capping driver (Colin Ian King).
- Add AlderLake processor support to the intel_idle driver (Zhang Rui).
- Fix regression leading to no genpd governor in the PSCI cpuidle
driver and fix the riscv-sbi cpuidle driver to allow a genpd
governor to be used (Ulf Hansson).
- Fix cpufreq governor clean up code to avoid using kfree() directly
to free kobject-based items (Kevin Hao).
- Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe Leroy).
- Make intel_pstate notify frequency invariance code when no_turbo is
turned on and off (Chen Yu).
- Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
Pandruvada).
- Make cpufreq avoid unnecessary frequency updates due to mismatch
between hardware and the frequency table (Viresh Kumar).
- Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
code (Viresh Kumar).
- Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
calling convention for some driver callbacks consistent (Rafael
Wysocki).
- Avoid accessing half-initialized cpufreq policies from the show()
and store() sysfs functions (Schspa Shi).
- Rearrange cpufreq_offline() to make the calling convention for some
driver callbacks consistent (Schspa Shi).
- Update CPPC handling in cpufreq (Pierre Gondois).
- Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
- Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
Hansson).
- Improve the way genpd deals with its governors (Ulf Hansson).
- Update the turbostat utility to version 2022.04.16 (Len Brown,
Dan Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen
Yu).
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Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add support for 'artificial' Energy Models in which power
numbers for different entities may be in different scales, add support
for some new hardware, fix bugs and clean up code in multiple places.
Specifics:
- Update the Energy Model support code to allow the Energy Model to
be artificial, which means that the power values may not be on a
uniform scale with other devices providing power information, and
update the cpufreq_cooling and devfreq_cooling thermal drivers to
support artificial Energy Models (Lukasz Luba).
- Make DTPM check the Energy Model type (Lukasz Luba).
- Fix policy counter decrementation in cpufreq if Energy Model is in
use (Pierre Gondois).
- Add CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- Export dev_pm_ops instead of suspend() and resume() in the IIO
chemical scd30 driver (Jonathan Cameron).
- Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
PM-runtime counterparts (Jonathan Cameron).
- Move symbol exports in the IIO chemical scd30 driver into the
IIO_SCD30 namespace (Jonathan Cameron).
- Avoid device PM-runtime usage count underflows (Rafael Wysocki).
- Allow dynamic debug to control printing of PM messages (David
Cohen).
- Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
Bai).
- Preserve ACPI-table override during hibernation (Amadeusz
Sławiński).
- Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
- Make Intel RAPL power capping driver support the RaptorLake and
AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
- Remove redundant store to value after multiply in the RAPL power
capping driver (Colin Ian King).
- Add AlderLake processor support to the intel_idle driver (Zhang
Rui).
- Fix regression leading to no genpd governor in the PSCI cpuidle
driver and fix the riscv-sbi cpuidle driver to allow a genpd
governor to be used (Ulf Hansson).
- Fix cpufreq governor clean up code to avoid using kfree() directly
to free kobject-based items (Kevin Hao).
- Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe
Leroy).
- Make intel_pstate notify frequency invariance code when no_turbo is
turned on and off (Chen Yu).
- Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
Pandruvada).
- Make cpufreq avoid unnecessary frequency updates due to mismatch
between hardware and the frequency table (Viresh Kumar).
- Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
code (Viresh Kumar).
- Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
calling convention for some driver callbacks consistent (Rafael
Wysocki).
- Avoid accessing half-initialized cpufreq policies from the show()
and store() sysfs functions (Schspa Shi).
- Rearrange cpufreq_offline() to make the calling convention for some
driver callbacks consistent (Schspa Shi).
- Update CPPC handling in cpufreq (Pierre Gondois).
- Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
- Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
Hansson).
- Improve the way genpd deals with its governors (Ulf Hansson).
- Update the turbostat utility to version 2022.04.16 (Len Brown, Dan
Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen Yu)"
* tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (94 commits)
PM: domains: Trust domain-idle-states from DT to be correct by genpd
PM: domains: Measure power-on/off latencies in genpd based on a governor
PM: domains: Allocate governor data dynamically based on a genpd governor
PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
PM: domains: Fix initialization of genpd's next_wakeup
PM: domains: Fixup QoS latency measurements for IRQ safe devices in genpd
PM: domains: Measure suspend/resume latencies in genpd based on governor
PM: domains: Move the next_wakeup variable into the struct gpd_timing_data
PM: domains: Allocate gpd_timing_data dynamically based on governor
PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
PM: domains: Drop redundant code for genpd always-on governor
PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
powercap: intel_rapl: remove redundant store to value after multiply
cpufreq: CPPC: Enable dvfs_possible_from_any_cpu
cpufreq: CPPC: Enable fast_switch
ACPI: CPPC: Assume no transition latency if no PCCT
ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
ACPI: CPPC: Check _OSC for flexible address space
...
- New drivers
- Driver for the Microchip LAN966x SoC
- PMBus driver for Infineon Digital Multi-phase xdp152 family controllers
- Chip support added to existing drivers
- asus-ec-sensors
- Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO,
and ProArt X570 Creator WIFI
- External temperature sensor support for ASUS WS X570-ACE
- nct6775
- Support for I2C driver
- Support for ASUS PRO H410T / PRIME H410M-R / ROG X570-E GAMING WIFI II
- lm75
- Support for - Atmel AT30TS74
- pmbus/max16601
- Support for MAX16602
- aquacomputer_d5next
- Support for Aquacomputer Farbwerk
- Support for Aquacomputer Octo
- jc42
- Support for S-34TS04A
- Kernel API changes / clarifications
- The chip parameter of with_info API is now mandatory
- New hwmon_device_register_for_thermal API call for use by the thermal
subsystem
- Improvements
- PMBus and JC42 drivers now register with thermal subsystem
- PMBus drivers now support get_voltage/set_voltage power operations
- The adt7475 driver now supports pin configuration
- The lm90 driver now supports setting extended range temperatures
configuration with a devicetree property
- The dell-smm driver now registers as cooling device
- The OCC driver delays hwmon registration until requested by userspace
- Various other minor fixes and improvements
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Merge tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Driver for the Microchip LAN966x SoC
- PMBus driver for Infineon Digital Multi-phase xdp152 family
controllers
Chip support added to existing drivers:
- asus-ec-sensors:
- Support for ROG STRIX X570-E GAMING WIFI II, PRIME X470-PRO, and
ProArt X570 Creator WIFI
- External temperature sensor support for ASUS WS X570-ACE
- nct6775:
- Support for I2C driver
- Support for ASUS PRO H410T / PRIME H410M-R /
ROG X570-E GAMING WIFI II
- lm75:
- Support for - Atmel AT30TS74
- pmbus/max16601:
- Support for MAX16602
- aquacomputer_d5next:
- Support for Aquacomputer Farbwerk
- Support for Aquacomputer Octo
- jc42:
- Support for S-34TS04A
Kernel API changes / clarifications:
- The chip parameter of with_info API is now mandatory
- New hwmon_device_register_for_thermal API call for use by the
thermal subsystem
Improvements:
- PMBus and JC42 drivers now register with thermal subsystem
- PMBus drivers now support get_voltage/set_voltage power operations
- The adt7475 driver now supports pin configuration
- The lm90 driver now supports setting extended range temperatures
configuration with a devicetree property
- The dell-smm driver now registers as cooling device
- The OCC driver delays hwmon registration until requested by
userspace
... and various other minor fixes and improvements"
* tag 'hwmon-for-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (71 commits)
hwmon: (aquacomputer_d5next) Fix an error handling path in aqc_probe()
hwmon: (sl28cpld) Fix typo in comment
hwmon: (pmbus) Check PEC support before reading other registers
hwmon: (dimmtemp) Fix bitmap handling
hwmon: (lm90) enable extended range according to DTS node
dt-bindings: hwmon: lm90: add ti,extended-range-enable property
dt-bindings: hwmon: lm90: add missing ti,tmp461
hwmon: (ibmaem) Directly use ida_alloc()/free()
hwmon: Directly use ida_alloc()/free()
hwmon: (asus-ec-sensors) fix Formula VIII definition
dt-bindings: trivial-devices: Add xdp152
hwmon: (sl28cpld-hwmon) Use HWMON_CHANNEL_INFO macro
hwmon: (pwm-fan) Use HWMON_CHANNEL_INFO macro
hwmon: (peci/dimmtemp) Use HWMON_CHANNEL_INFO macro
hwmon: (peci/cputemp) Use HWMON_CHANNEL_INFO macro
hwmon: (mr75203) Use HWMON_CHANNEL_INFO macro
hwmon: (ltc2992) Use HWMON_CHANNEL_INFO macro
hwmon: (as370-hwmon) Use HWMON_CHANNEL_INFO macro
hwmon: Make chip parameter for with_info API mandatory
thermal/drivers/thermal_hwmon: Use hwmon_device_register_for_thermal()
...