linux-kernel - Re: [PATCH v6 0/5] thermal: qcom-spmi-temp-alarm: Add support for new TEMP

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Message-ID: <aHPaLZ46BCdM2lRA@mai.linaro.org>
Date: Sun, 13 Jul 2025 18:09:17 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Anjelique Melendez <anjelique.melendez@....qualcomm.com>
Cc: amitk@...nel.org, thara.gopinath@...il.com, rafael@...nel.org,
	rui.zhang@...el.com, lukasz.luba@....com,
	david.collins@....qualcomm.com, stefan.schmidt@...aro.org,
	quic_tsoni@...cinc.com, konrad.dybcio@....qualcomm.com,
	linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmitry.baryshkov@...aro.org,
	dmitry.baryshkov@....qualcomm.com
Subject: Re: [PATCH v6 0/5] thermal: qcom-spmi-temp-alarm: Add support for
 new TEMP_ALARM subtypes

On Thu, Jul 10, 2025 at 03:45:50PM -0700, Anjelique Melendez wrote:
> Add support in the qcom-spmi-temp-alarm driver for the new PMIC
> TEMP_ALARM peripheral subtypes: GEN2 rev 2 and LITE. The GEN2 rev 2
> subtype provides greater flexibility in temperature threshold
> specification by using an independent register value to configure
> each of the three thresholds. The LITE subtype utilizes a simplified
> set of control registers to configure two thresholds: warning and
> shutdown. While at it refactor the qcom-spmi-temp-alarm driver to limit
> code reuse and if/else statements when deciphering between TEMP_ALARM 
> peripheral subtypes. 
> 
> Also add support to avoid a potential issue on certain versions of
> the TEMP_ALARM GEN2 subtype when automatic stage 2 partial shutdown
> is disabled.
> 
> This patch series is a continuation of older series from 7/2024
> (https://lore.kernel.org/all/20240729231259.2122976-1-quic_amelende@quicinc.com/)
> but current series has been reworked to address the change in thermal framework to
> update .set_trip_temp() callback function variables
> (https://lore.kernel.org/all/8392906.T7Z3S40VBb@rjwysocki.net/)
> 
> Changes since v5:
>   - Updated variable names to use stage2 instead of s2 in patch 1/5
>   - Added overtemp_stage enum for more clarity when reading back specific
>     temperature threshold in patch 2/5
>   - Updated temp alarm data subtype identification order in patch 4/5
>   - link: https://lore.kernel.org/all/20250620001918.4090853-1-anjelique.melendez@oss.qualcomm.com/
> Changes since v4:
>   - Removed the unnecessary thresh member of the qpnp_tm_chip struct in patch 2/5
>   - Updated order of logic to limit acquiring and releasing lock within
>     qpnp_tm_init() in patch 3/5
>   - Fixed misuse of signed vs unsigned integers in patches 4/5 and 5/5
>   - Added Dmitry's reviewed-by tag in patch 5/5
>   - link: https://lore.kernel.org/all/20250528235026.4171109-1-anjelique.melendez@oss.qualcomm.com/
> Changes since v3:
>   - Updated order of logic and made dig revision a local variable in patch 1/5
>   - Updated Locking Logic in patches 3/5, 4/5, 5/5
>   - link: https://lore.kernel.org/all/20250320202408.3940777-1-anjelique.melendez@oss.qualcomm.com/
> Changes since v2:
>   - Updated function name to include "gen1" in patch 2/5
>   - Added Dmitry's reviewed-by tag in patch 2/5
>   - link: https://lore.kernel.org/all/20250225192429.2328092-1-anjelique.melendez@oss.qualcomm.com/
> Changes since v1:
>   - Remove unnecessary moving of code
>   - Added new v2 patch 3/5 add a preparation patch to v1 patch 2/5
>   - Updated temp alarm data function names to be consistently named
>   - link: https://lore.kernel.org/all/20250213210403.3396392-1-anjelique.melendez@oss.qualcomm.com/
> 
> 
> Anjelique Melendez (4):
>   thermal: qcom-spmi-temp-alarm: Add temp alarm data struct based on HW
>     subtype
>   thermal: qcom-spmi-temp-alarm: Prepare to support additional Temp
>     Alarm subtypes
>   thermal: qcom-spmi-temp-alarm: add support for GEN2 rev 2 PMIC
>     peripherals
>   thermal: qcom-spmi-temp-alarm: add support for LITE PMIC peripherals
> 
> David Collins (1):
>   thermal: qcom-spmi-temp-alarm: enable stage 2 shutdown when required
> 
>  drivers/thermal/qcom/qcom-spmi-temp-alarm.c | 596 +++++++++++++++++---
>  1 file changed, 520 insertions(+), 76 deletions(-)
> 
> -- 

Applied, thanks


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