linux-kernel - Re: [PATCH v5 0/3] Thermal ACPI APIs for generic trip points

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Date:   Wed, 18 Jan 2023 21:00:59 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "rafael@...nel.org" <rafael@...nel.org>
Cc:     "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "christophe.jaillet@...adoo.fr" <christophe.jaillet@...adoo.fr>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH v5 0/3] Thermal ACPI APIs for generic trip points

On 18/01/2023 20:16, srinivas pandruvada wrote:

[ ... ]

>>> But we'd better wait for the thermald test result from Srinvias.
>>
>> A quick test show that things still work with thermald and these
>> changes.
> 
> But I have a question. In some devices trip point temperature is not
> static. When hardware changes, we get notification. For example
> INT3403_PERF_TRIP_POINT_CHANGED for INT3403 drivers.
> Currently get_trip can get the latest changed value. But if we
> preregister, we need some mechanism to update them.

When the notification INT3403_PERF_TRIP_POINT_CHANGED happens, we call 
int340x_thermal_read_trips() which in turn updates the trip points.



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