linux-kernel - Re: [PATCH v2 6/9] thermal/drivers/mediatek/lvts: Add support for ATP mode

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Message-ID: <CAC=S1njcFhyY6+dT2MHU02ZsLDq+k_vAVv==bWuoGt3KA18PHg@mail.gmail.com>
Date: Thu, 31 Jul 2025 12:25:46 +0800
From: Fei Shao <fshao@...omium.org>
To: Laura Nao <laura.nao@...labora.com>
Cc: srini@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	rafael@...nel.org, daniel.lezcano@...aro.org, rui.zhang@...el.com, 
	lukasz.luba@....com, matthias.bgg@...il.com, 
	angelogioacchino.delregno@...labora.com, andrew-ct.chen@...iatek.com, 
	kernel@...labora.com, nfraprado@...labora.com, arnd@...db.de, 
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, u.kleine-koenig@...libre.com, 
	linux-arm-kernel@...ts.infradead.org, wenst@...omium.org, 
	linux-mediatek@...ts.infradead.org, bchihi@...libre.com, 
	colin.i.king@...il.com, lala.lin@...iatek.com
Subject: Re: [PATCH v2 6/9] thermal/drivers/mediatek/lvts: Add support for ATP mode

On Wed, Jul 30, 2025 at 11:40 PM Laura Nao <laura.nao@...labora.com> wrote:
>
> MT8196/MT6991 uses ATP (Abnormal Temperature Prevention) mode to detect
> abnormal temperature conditions, which involves reading temperature data
> from a dedicated set of registers separate from the ones used for
> immediate and filtered modes.
>
> Add support for ATP mode and its relative registers to ensure accurate
> temperature readings and proper thermal management on MT8196/MT6991
> devices.
>
> While at it, convert mode defines to enum.
>
> Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
> Signed-off-by: Laura Nao <laura.nao@...labora.com>

It's not visible in this patch, but a heads-up that I see
lvts_ctrl_start() also depends on whether lvts is in immediate mode. I
wonder if anything is needed there for ATP mode e.g. a new
sensor_atp_bitmap.
Feel free to ignore if this is a false alarm.

Regards,
Fei