linux-kernel - Re: [PATCH] usb: Remove orphaned Marvell UDC drivers

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Message-Id: <a46ecbcd-4c1d-4a04-8c7f-6d7e97670ccd@app.fastmail.com>
Date: Mon, 17 Mar 2025 22:25:33 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "Rob Herring" <robh@...nel.org>,
 "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>
Cc: "Lubomir Rintel" <lkundrak@...sk>, linux-kernel@...r.kernel.org,
 linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: Remove orphaned Marvell UDC drivers

On Mon, Mar 17, 2025, at 21:09, Rob Herring (Arm) wrote:
> These drivers have no way to probe as there are no match tables nor
> devices created with a matching name in the kernel tree.
>
> UDC was only ever supported by board files which were removed in 2022.
>
> For U3D, which was added in 2012, the PXA2128 aka MMP3 support was
> never upstreamed with board files and only revived in 2019 with DT
> support. No U3D DT support has been added since then.
>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Lubomir Rintel <lkundrak@...sk>
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>

Looks ok to me,

Acked-by: Arnd Bergmann <arnd@...db.de>

I see two additional udc drivers without users:

drivers/usb/gadget/udc/fusb300_udc.c (could not find any users)
drivers/usb/gadget/udc/net2272.c (formerly used on blackfin)