linux-kernel - [PATCH v3 0/6] thermal: More separation between the core and drivers

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Date: Tue, 02 Apr 2024 20:54:31 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux PM <linux-pm@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
 Daniel Lezcano <daniel.lezcano@...aro.org>,
 Lukasz Luba <lukasz.luba@....com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v3 0/6] thermal: More separation between the core and drivers

Hi Everyone,

This is an update of

https://lore.kernel.org/linux-pm/4558384.LvFx2qVVIh@kreacher/

and

https://lore.kernel.org/linux-pm/2331888.ElGaqSPkdT@kreacher/

which rebases the first patch on top of 6.9-rc2, adds 3 patches and adjusts
the third patch from v2.

The original description of the first two patches still applies:

> Patch [1/2] is based on the observation that the threshold field in struct
> thermal_trip really should be core-internal and to make that happen it
> introduces a wrapper structure around struct thermal_trip for internal
> use in the core.
> 
> Patch [2/2] moves the definition of the new structure and the struct
> thermal_zone_device one to a local header file in the core to enforce
> more separation between the core and drivers.
> 
> The patches are not expected to introduce any observable differences in
> behavior, so please let me know if you see any of that.

Note that these patches were first sent before the merge window and have not
really changed since then (except for a minor rebase of the first patch in
this series).  Moreover, no comments regarding the merit of these patches
have been made shared, so if this continues, I will be considering them as
good to go by the end of this week.

Patch [3/6] is a rewrite of comments regarding trip crossing and threshold
computations.

Patch [4/6] updates the trip crossing detection code to consolidate the
threshold initialization with trip crossing on the way up.

Patch [5/6] ([3/3] in v2) adds a mechanism to sort notifications and debug
calls taking place during one invocation of __thermal_zone_device_update() so
they always go in temperature order.

Patch [6/6] relocates the critical and trip point handling to avoid a
redundant temperature check.

The series applies on top of 6.9-rc2 and I'm planning to create a test
branch containing it.

Thanks!