linux-hardening - Re: [PATCH v2 4/7] thermal: samsung: Add support for GS101 TMU

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Message-ID: <9cc741e5-e710-4c89-b0e0-dc12ac7d8e3d@kernel.org>
Date: Fri, 13 Feb 2026 11:11:31 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>,
 Lukasz Luba <lukasz.luba@....com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>,
 Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, Kees Cook <kees@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Peter Griffin <peter.griffin@...aro.org>,
 André Draszik <andre.draszik@...aro.org>
Cc: willmcvicker@...gle.com, jyescas@...gle.com, shin.son@...sung.com,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 4/7] thermal: samsung: Add support for GS101 TMU

On 19/01/2026 13:08, Tudor Ambarus wrote:
> Add the thermal driver for the Google GS101 SoC.
> 
> The GS101 TMU utilizes a hybrid management model shared between the
> Application Processor (AP) and the ACPM (Alive Clock and Power Manager)
> firmware. The driver maintains direct memory-mapped access to the TMU
> interrupt pending registers to identify thermal events, while delegating
> functional tasks - such as sensor initialization, threshold configuration,
> and temperature acquisition - to the ACPM firmware via the ACPM IPC
> protocol.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---
>  drivers/thermal/samsung/Kconfig    |  16 +
>  drivers/thermal/samsung/Makefile   |   2 +
>  drivers/thermal/samsung/acpm-tmu.c | 643 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 661 insertions(+)

I did not perform full review, but after quick glance:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>

Best regards,
Krzysztof