linux-kernel - Re: [PATCH] arm64: dts: qcom: apq8016-sbc: Add overlay for usb host mode

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Message-ID: <CAA8EJpo13qR5hcjvQvfSwEPNPn2bj-T-qUHFgfcChqD1N588eg@mail.gmail.com>
Date:   Thu, 21 Sep 2023 17:53:18 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Vignesh Raman <vignesh.raman@...labora.com>
Cc:     Helen Koike <helen.koike@...labora.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        guilherme.gallo@...labora.com, sergi.blanch.torne@...labora.com,
        daniels@...labora.com, emma@...olt.net, robdclark@...il.com,
        Maxime Ripard <mripard@...nel.org>,
        David Heidelberg <david.heidelberg@...labora.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: apq8016-sbc: Add overlay for usb host mode

On Thu, 21 Sept 2023 at 17:01, Vignesh Raman
<vignesh.raman@...labora.com> wrote:
>
> Hi maintainers,
>
> On 12/09/23 22:39, Helen Koike wrote:
> >
> >
> > On 11/09/2023 13:15, Vignesh Raman wrote:
> >> Due to the presence of the fastboot micro cable in the CI farm,
> >> it causes the hardware to remain in gadget mode instead of host mode.
> >> So it doesn't find the network, which results in failure to mount root
> >> fs via NFS.
> >
> > Just a context for others, this was part of this patch series
> > https://lore.kernel.org/r/20230908152225.432139-1-vignesh.raman@collabora.com
> >
> >>
> >> Add an overlay dtso file that sets the dr_mode to host, allowing the
> >> USB controllers to work in host mode. With commit 15d16d6dadf6
> >> ("kbuild: Add generic rule to apply fdtoverlay"), overlay target can
> >> be used to simplify the build of DTB overlays. It uses fdtoverlay to
> >> merge base device tree with the overlay dtso. apq8016-sbc-usb-host.dtb
> >> file can be used by drm-ci, mesa-ci.
> >>
> >> Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> >> Suggested-by: Maxime Ripard <mripard@...nel.org>
> >> Signed-off-by: Helen Koike <helen.koike@...labora.com>
> >> Signed-off-by: David Heidelberg <david.heidelberg@...labora.com>
> >> Signed-off-by: Vignesh Raman <vignesh.raman@...labora.com>
> >
> > Acked-by: Helen Koike <helen.koike@...labora.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> >
> >
> >> ---
> >>   arch/arm64/boot/dts/qcom/Makefile                  | 4 ++++
> >>   arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtso | 8 ++++++++
> >>   2 files changed, 12 insertions(+)
> >>   create mode 100644 arch/arm64/boot/dts/qcom/apq8016-sbc-usb-host.dtso

-- 
With best wishes
Dmitry