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Message-ID: <2bbce9cd-8b0d-6021-639b-8198620d7a99@collabora.com>
Date:   Wed, 6 Sep 2023 10:41:31 +0530
From:   Vignesh Raman <vignesh.raman@...labora.com>
To:     Maxime Ripard <mripard@...nel.org>
Cc:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        dri-devel@...ts.freedesktop.org, helen.koike@...labora.com,
        guilherme.gallo@...labora.com, sergi.blanch.torne@...labora.com,
        david.heidelberg@...labora.com, daniels@...labora.com,
        gustavo.padovan@...labora.com, emma@...olt.net,
        robclark@...edesktop.org, robdclark@...gle.com, anholt@...gle.com,
        robdclark@...il.com, airlied@...il.com, daniel@...ll.ch,
        jani.nikula@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        virtualization@...ts.linux-foundation.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 2/7] drm: ci: Force db410c to host mode

Hi Maxime,

On 05/09/23 19:10, Maxime Ripard wrote:
>> With,
>> &usb {
>> 	dr_mode = "host";
>> };
>>
>> The target is <0xffffffff> and fdtoverlay fails to apply the dtbo.
> 
> You do have /plugin/ and have compiled the base device tree with overlay
> support, right?

After compiling base dtbs with overlay support (make DTC_FLAGS=-@ dtbs) 
it works.

> 
>> With,
>> &{/soc@...sb} {
>>           dr_mode = "host";
>> };
>>
>> The target-path is "/soc@...sb" (usb: usb@...9000)
> 
> Right, and that's not the path you want to modify. The path you want to
> modify is /soc@...sb@...9000. usb is the label, it's absolute, and you
> can't mix and match a path ("/soc@0/") and a label ("usb")

Thanks for the clarification.

Regards,
Vignesh

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