linux-kernel - Re: [PATCH 2/3] thermal/drivers/mediatek/lvts_thermal: Honor sensors in immediate mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <584879fa-1541-17d0-81dd-453333230b48@collabora.com>
Date:   Wed, 3 May 2023 17:08:37 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Alexandre Bailon <abailon@...libre.com>, kernel@...labora.com,
        Chen-Yu Tsai <wenst@...omium.org>,
        Balsam CHIHI <bchihi@...libre.com>,
        Alexandre Mergnat <amergnat@...libre.com>,
        Amit Kucheria <amitk@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 2/3] thermal/drivers/mediatek/lvts_thermal: Honor sensors
 in immediate mode

Il 28/04/23 21:53, Nícolas F. R. A. Prado ha scritto:
> Each controller can be configured to operate on immediate or filtered
> mode. On filtered mode, the sensors are enabled by setting the
> corresponding bits in MONCTL0, while on immediate mode, by setting
> MSRCTL1.
> 
> Previously, the code would set MSRCTL1 for all four sensors when
> configured to immediate mode, but given that the controller might not
> have all four sensors connected, this would cause interrupts to trigger
> for non-existent sensors. Fix this by handling the MSRCTL1 register
> analogously to the MONCTL0: only enable the sensors that were declared.
> 
> Fixes: f5f633b18234 ("thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Awesome!!!!!

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>