linux-kernel - Re: [PATCH v1 0/7] ACPI: thermal: Use trip point table to register thermal zones

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Message-ID: <8b89f009-bcfe-3a90-f19e-0b5894a5ebd1@linaro.org>
Date:   Wed, 19 Jul 2023 00:45:40 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Michal Wilczynski <michal.wilczynski@...el.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v1 0/7] ACPI: thermal: Use trip point table to register
 thermal zones


Hi Rafael,

On 18/07/2023 20:01, Rafael J. Wysocki wrote:
> Hi Everyone,
> 
> This patch series makes the ACPI thermal driver register thermal zones
> with the help of thermal_zone_device_register_with_trips(), so it
> doesn't need to use the thermal zone callbacks related to trip points
> any more (and they are dropped in the last patch).

Yay!

> The approach presented here is quite radically different from the
> previous attempts, as it doesn't really rearrange the driver's
> internal data structures, but adds the trip table support on top of
> them.  For this purpose, it uses an additional field in struct thermal_trip
> introduced in the first patch.
> 
> I have run it on my test-bed systems, but this is not too representative,
> because they each have only one ACPI thermal zone with only one (critical)
> trip point in it.

Rui created some ACPI fake tables I was able to run them in a KVM 
machine with fake thermal zones.

I can share the setup if you are interested in

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