From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: yoxcu <mick@yoxcu.de>, Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm845: Route the SPMI interrupt through the PDC
Date: Wed, 14 Oct 2026 10:46:22 +0200 [thread overview]
Message-ID: <d6c62256-1fde-4995-bd32-38c25e59ff4f@oss.qualcomm.com> (raw)
In-Reply-To: <20261013203749.3078262-1-mick@yoxcu.de>
On 10/13/26 10:37 PM, yoxcu wrote:
> From: Michael Auer <mick@yoxcu.de>
>
> The SPMI arbiter interrupt (PMIC RTC alarm, power key, charger) goes
> directly to GIC SPI 481. In CX collapse the GIC does not detect
> interrupts, so only interrupts routed through the PDC can wake the SoC.
>
> SPI 481 is PDC pin 1. Route the interrupt through the PDC, as sc7180,
> sm8250 and sc8280xp already do.
>
> On a OnePlus 6 in CX collapse, a 60 s RTC alarm did not end s2idle. The
> phone slept for 456 s, until the modem woke it. With this change the
> alarm wakes it on time (after 62 s), and the power key wakes it too.
>
> Assisted-by: LLM
> Signed-off-by: Michael Auer <mick@yoxcu.de>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
prev parent reply other threads:[~2026-10-14 8:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 20:37 yoxcu
2026-10-14 8:37 ` Abel Vesa
2026-10-14 8:46 ` Konrad Dybcio [this message]
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