Re: [PATCH] usb: dwc3: qcom: Check for L2 only when suspending a host with wakeup

[Pankaj Patil]

On 9/28/2026 11:46 PM, Fabricio Akio via B4 Relay wrote:
> From: Fabricio Akio <fabricioakio@xxxxxxxxx>
> 
> In peripheral mode the core disconnects and powers the PHY off before
> the glue suspends, so the link never enters L2 and every system
> suspend logs "HS-PHY not in L2". Check only for a host with wakeup,
> the one case that parks the PHY in L2.
> 
> Signed-off-by: Fabricio Akio <fabricioakio@xxxxxxxxx>
> ---
> Tested on a Motorola Moto X4 (XT1900-6, SDM630) with the sdm660-mainline
> 7.2.3 tree, in peripheral mode with the cable attached: the "HS-PHY not
> in L2" message appears on every system suspend without this patch, and
> not over three consecutive cycles with it. Host mode is untested, since
> this board runs the controller in peripheral mode. The board binds
> dwc3-qcom-legacy, so the same change in dwc3-qcom.c is build-tested
> only. Applies unchanged to next-20260928.
> ---
Tested on Glymur-CRD
Tested-by: Pankaj Patil <pankaj.patil@xxxxxxxxxxxxxxxx>

Reviewed-by: Pankaj Patil <pankaj.patil@xxxxxxxxxxxxxxxx>

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