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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: 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 14:25:14 +0200	[thread overview]
Message-ID: <80333371-48b3-4cdc-85b4-5625af6517ff@oss.qualcomm.com> (raw)
In-Reply-To: <20260601-tsens_interrupt_wake_control-v2-2-ce9570946abd@oss.qualcomm.com>



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?

Konrad

  reply	other threads:[~2026-06-03 12:25 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 [this message]
2026-06-03 12:27     ` Daniel Lezcano
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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