linux-kernel - Re: [PATCH 11/12] arm64: dts: qcom: delete wrong usb-role-switch properties

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Date: Tue, 30 Apr 2024 13:06:43 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Bjorn Andersson <andersson@...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
Subject: Re: [PATCH 11/12] arm64: dts: qcom: delete wrong usb-role-switch properties

On Tue, 30 Apr 2024 at 12:34, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> On 29.04.2024 2:43 PM, Dmitry Baryshkov wrote:
> > The usb-role-switch property doesn't make sense for the USB hosts which
> > are fixed to either host or peripheral USB data mode. Delete
> > usb-role-switch property being present in SoC dtsi.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > ---
>
> I'm more than sure all of these devices are physically capapable of
> doing both modes, but the infra to switch modes / provide VBUS as
> host was / is not hooked up or present yet

Yes. So it makes sense to add the usb-role-switch property if/when the
board gains dr_mode = 'otg' support.


-- 
With best wishes
Dmitry