linux-kernel - [PATCH v3 0/2] Add thermal management support for STi platform

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Message-Id: <20240714-thermal-v3-0-88f2489ef7d5@gmail.com>
Date: Sun, 14 Jul 2024 13:42:44 +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 v3 0/2] 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

Signed-off-by: Raphael Gallais-Pou <rgallaispou@...il.com>
---
Changes in v3:
- Fix unmet dependency in [2/2]
- Remove no more used variable in [2/2]
- Remove already merged patch in soc tree
- Link to v2: https://lore.kernel.org/r/20240625-thermal-v2-0-bf8354ed51ee@gmail.com

Changes in v2:
- Add Patrice's R-b
- Edit patch [2/3] to remove unused struct
- Link to v1: https://lore.kernel.org/r/20240518-thermal-v1-0-7dfca3ed454b@gmail.com

---
Raphael Gallais-Pou (2):
      thermal: st: switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
      thermal: sti: depend on THERMAL_OF subsystem

 drivers/thermal/st/Kconfig             |  2 ++
 drivers/thermal/st/st_thermal.c        | 32 +++++++++++---------------------
 drivers/thermal/st/st_thermal_memmap.c |  2 +-
 drivers/thermal/st/stm_thermal.c       |  8 +++-----
 4 files changed, 17 insertions(+), 27 deletions(-)
---
base-commit: 3fe121b622825ff8cc995a1e6b026181c48188db
change-id: 20240518-thermal-8f625428acf9

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