linux-kernel - Re: [PATCH v2] arm64: dts: qcom: x1e80100: Fix compile warnings for USB HS controller

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Message-ID: <xdweqthugsdgbpu2s65lgv6urdoqbyiblrt346y6jt5lw4bmyj@xk5fp5xxqbzn>
Date: Sun, 19 Oct 2025 15:03:51 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
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>, Abel Vesa <abel.vesa@...aro.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Sibi Sankar <sibi.sankar@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: x1e80100: Fix compile warnings for
 USB HS controller

On Sun, Oct 19, 2025 at 05:26:30PM +0530, Krishna Kurapati wrote:
> With W=1, the following error comes up:
> 
> Warning (graph_child_address): /soc@...sb@...8800/usb@...0000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
> 
> This could be since the controller is only HS capable and only one port
> node is added.
> 
> Fixes: 4af46b7bd66f ("arm64: dts: qcom: x1e80100: Add USB nodes")
> Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
> ---
> Note:
> This patch has only been compile tested.
> 
> Link to v1:
> https://lore.kernel.org/all/20251014022121.1850871-3-krishna.kurapati@oss.qualcomm.com/
> 
> Changes in v2:
> In v1, the fix was done after flattening the USB controller nodes [1].
> Since there is a system suspend issue reported on that patch, the
> flattening patch will be sent later after its fixed. For now, sending the
> fix for the compile warning.
> 
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
> 

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


-- 
With best wishes
Dmitry