Re: [PATCH v2 2/7] firmware: samsung: acpm: Add TMU protocol support

Krzysztof Kozlowski
2026-02-13T10:07:21Z

On 19/01/2026 13:08, Tudor Ambarus wrote:
> The Thermal Management Unit (TMU) on the Google GS101 SoC is managed
> through a hybrid model shared between the kernel and the Alive Clock
> and Power Manager (ACPM) firmware.
>
> Add the protocol helpers required to communicate with the ACPM for
> thermal operations, including initialization, threshold configuration,
> temperature reading, and system suspend/resume handshakes.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
> ---
> drivers/firmware/samsung/Makefile | 1 +
> drivers/firmware/samsung/exynos-acpm-tmu.c | 212 +++++++++++++++++++++
> drivers/firmware/samsung/exynos-acpm-tmu.h | 33 ++++
> drivers/firmware/samsung/exynos-acpm.c | 12 ++
> .../linux/firmware/samsung/exynos-acpm-protocol.h | 24 +++
> 5 files changed, 282 insertions(+)

I understood from the cover letter this should go via thermal tree, so:

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

Best regards,
Krzysztof