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References: <20210823184449.2796184-1-Nehal-Bakulchandra.shah@amd.com>
 <20210823184449.2796184-3-Nehal-Bakulchandra.shah@amd.com>
User-agent: mu4e 1.6.4; emacs 27.2
From:   Felipe Balbi <balbi@kernel.org>
To:     Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
Cc:     gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org, kun.liu2@amd.com,
        alexander.deucher@amd.com
Subject: Re: [PATCH 2/2] usb: dwc3: pci add property to allow user space
 role switch
Date:   Tue, 24 Aug 2021 11:19:40 +0300
In-reply-to: <20210823184449.2796184-3-Nehal-Bakulchandra.shah@amd.com>
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Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com> writes:

> For AMD platform there is a requirement to enable user space role
> switch from host to device and device to host by means of running
> following commands.
>
> HOST:   echo host > /sys/class/usb_role/dwc3.0.auto-role-switch/role
> DEVICE: echo device > /sys/class/usb_role/dwc3.0.auto-role-switch/role

A more important question that needs to be answered: why?

-- 
balbi