linux-kernel - [PATCH 0/3] Add thermal management support for STi platform

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Date: Sat, 18 May 2024 14:12:03 +0200
From: Raphael Gallais-Pou <rgallaispou@...il.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, 
 Lukasz Luba <lukasz.luba@....com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Patrice Chotard <patrice.chotard@...s.st.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH 0/3] Add thermal management support for STi platform

This patch series enhances the st_thermal driver in order to enable
support for thermal zones. The changes include:

1. Replace deprecated PM runtime macros with their updated counterparts.
2. Implementing devm_* based thermal of zone functions within the driver.
3. Updating the stih418 device-tree.

The device-tree patch depends on an earlier patch sent to the mailing
list [1].

As it is currently implemented, an alert threshold of 85°C is set to
trigger the CPU throttling, and when the temperature exceeds the
critical threshold of 95°C, the system shuts down. There is for now no
active cooling device on the platform, which explains the use of the
cpufreq framework.

[1] https://lore.kernel.org/lkml/20240320-thermal-v3-2-700296694c4a@gmail.com

To: Rafael J. Wysocki <rafael@...nel.org>
To: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Zhang Rui <rui.zhang@...el.com>
To: Lukasz Luba <lukasz.luba@....com>
To: Maxime Coquelin <mcoquelin.stm32@...il.com>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>
To: Patrice Chotard <patrice.chotard@...s.st.com>
To: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>
To: Conor Dooley <conor+dt@...nel.org>
Cc: linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org

Signed-off-by: Raphael Gallais-Pou <rgallaispou@...il.com>
---
Raphael Gallais-Pou (3):
      thermal: st: switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
      thermal: sti: depend on THERMAL_OF subsystem
      ARM: dts: sti: add thermal-zones support on stih418

 arch/arm/boot/dts/st/stih407-family.dtsi |  6 +++--
 arch/arm/boot/dts/st/stih418.dtsi        | 41 +++++++++++++++++++++++++++++---
 drivers/thermal/st/Kconfig               |  1 +
 drivers/thermal/st/st_thermal.c          | 24 +++++++++----------
 drivers/thermal/st/st_thermal_memmap.c   |  2 +-
 drivers/thermal/st/stm_thermal.c         |  8 +++----
 6 files changed, 58 insertions(+), 24 deletions(-)
---
base-commit: c75962170e49f24399141276ae119e6a879f36dc
change-id: 20240518-thermal-8f625428acf9

Best regards,
-- 
Raphael Gallais-Pou <rgallaispou@...il.com>