linux-kernel - Re: [PATCH v1] thermal: core: Drop trips

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Date:   Wed, 20 Sep 2023 15:20:13 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Ido Schimmel <idosch@...dia.com>
Subject: Re: [PATCH v1] thermal: core: Drop trips_disabled bitmask

On 19/09/2023 20:54, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> After recent changes, thermal_zone_get_trip() cannot fail, as invoked
> from thermal_zone_device_register_with_trips(), so the only role of
> the trips_disabled bitmask is struct thermal_zone_device is to make
> handle_thermal_trip() skip trip points whose temperature was initially
> zero.  However, since the unit of temperature in the thermal core is
> millicelsius, zero may very well be a valid temperature value at least
> in some usage scenarios and the trip temperature may as well change
> later.  Thus there is no reason to permanently disable trip points
> with initial temperature equal to zero.
> 
> Accordingly, drop the trips_disabled bitmask along with the code
> related to it.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

The logical change after changing how the trip point are handled ;)

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>



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