linux-kernel - Re: [PATCH v2 1/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: force usb2-only mode on usb_1_ss2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <n5xf2mcmvgvriod6pmycza277rdhwg53pinveuovc3bl3mivpx@wyfb7jabwun7>
Date: Sat, 3 Jan 2026 15:25:39 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: jens.glathe@...schoolsolutions.biz
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Val Packett <val@...kett.cool>
Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16:
 force usb2-only mode on usb_1_ss2_dwc3

On Sat, Jan 03, 2026 at 10:00:23AM +0100, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> 
> The usb_1_ss2 complex has 2 phys, usb_1_ss2_hsphy and usb_1_ss2_qmpphy. On this
> laptop, they are used for different peripherals: The hsphy for the fingerprint
> reader, the qmpphy to drive a hdmi bridge. The normal logical wiring for the dwc3
> controller is to both phys. Delete the port@1 to the qmpphy.
> 
> Signed-off-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> ---
>  arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry