Re: [RFC PATCH v2 0/3] power: sequencing: qcom-wcn: support SW_CTRL wake IRQ
From: Konrad Dybcio
Date: Fri Oct 16 2026 - 05:18:13 EST
On 10/15/26 6:12 AM, Linghui Wu wrote:
> Some WCN3990-family devices use the SW_CTRL GPIO to indicate that
> resources must remain available while the application processor is
> suspended.
>
> Teach the Qualcomm WCN power-sequencing driver to use the existing
> SW_CTRL GPIO as a dedicated wake IRQ when the power sequencer is marked
> as a wakeup source. The PM core keeps the IRQ disabled during normal
> operation and arms it for system suspend.
>
> The series documents wakeup-source for the WCN PMU binding and enables
> it for the Shikra CQM, CQS and IQS EVKs.
>
> The series is based on next-20261014 and has only been build tested
> because a Shikra setup capable of booting linux-next is not currently
> available.
$ git log --oneline arch/arm64/boot/dts/qcom/*shikra* | wc -l
41
$ ls arch/arm64/boot/dts/qcom/*shikra*.dts* -l | wc -l
9
Why are we carrying all of this code then?
Konrad