From: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Priyansh Jain <priyansh.jain@oss.qualcomm.com>,
Amit Kucheria <amitk@kernel.org>,
Thara Gopinath <thara.gopinath@gmail.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@kernel.org>,
Zhang Rui <rui.zhang@intel.com>,
Lukasz Luba <lukasz.luba@arm.com>
Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] thermal: qcom: tsens: Disable wakeup interrupt setup on automotive targets
Date: Wed, 3 Jun 2026 14:27:03 +0200 [thread overview]
Message-ID: <5b990bd7-e234-49eb-b5ae-5ec117fdf2d5@oss.qualcomm.com> (raw)
In-Reply-To: <80333371-48b3-4cdc-85b4-5625af6517ff@oss.qualcomm.com>
On 6/3/26 14:25, Konrad Dybcio wrote:
>
>
> On 01-Jun-26 08:37, Priyansh Jain wrote:
>> Add a no_irq_wake flag to struct tsens_plat_data to allow platforms
>> to control whether TSENS interrupts should be configured as wakeup
>> sources.
>>
>> Create a new data_automotive structure and add compatible strings for
>> automotive TSENS variants (SA8775P, SA8255P) with wakeup interrupts
>> disabled.
>>
>> Automotive platforms can enter a low-power parking suspend state where the
>> application processors and thermal mitigation paths are not active. In this
>> state, waking the system due to TSENS threshold interrupts does not enable
>> useful thermal action, but it does repeatedly break suspend residency and
>> increase battery drain.
>>
>> Allow these automotive variants to keep TSENS monitoring enabled during
>> normal runtime while opting out of TSENS wakeup interrupts during suspend,
>> so the system can remain in low power until ignition/resume.
>
> Can you not just disable the wakeup source via sysfs for
> your needs?
AFAIU, the system will crash for this version, so it has to be disabled
next prev parent reply other threads:[~2026-06-03 12:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 6:37 [PATCH v2 0/2] thermal: qcom: tsens: refine wake IRQ handling for suspend Priyansh Jain
2026-06-01 6:37 ` [PATCH v2 1/2] thermal: qcom: tsens: switch wake IRQ handling to PM callbacks Priyansh Jain
2026-06-01 6:37 ` [PATCH v2 2/2] thermal: qcom: tsens: Disable wakeup interrupt setup on automotive targets Priyansh Jain
2026-06-03 12:25 ` Konrad Dybcio
2026-06-03 12:27 ` Daniel Lezcano [this message]
2026-06-16 11:46 ` Konrad Dybcio
2026-06-02 21:12 ` [PATCH v2 0/2] thermal: qcom: tsens: refine wake IRQ handling for suspend Daniel Lezcano
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