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Date:   Sat, 9 May 2020 19:08:43 +0200
From:   Greg Kroah-Hartman <>
To:     Felipe Balbi <>
Cc:     Andrey Konovalov <>,
        USB list <>,
        LKML <>,
        Alan Stern <>,
        Dmitry Vyukov <>
Subject: Re: [PATCH v2] usb: raw-gadget: fix gadget endpoint selection

On Sat, May 09, 2020 at 11:02:13AM +0300, Felipe Balbi wrote:
> Hi,
> Andrey Konovalov <> writes:
> >> here you're changing userspace ABI. Aren't we going to possibly break
> >> some existing applications?
> >
> > Hi Felipe,
> >
> >  I've been working on tests for Raw Gadget for the last few weeks [1],
> > which revealed a few problems with the interface. This isn't yet
> > included into any released kernel, so my hope that changing the ABI is
> > OK during the rc stage.
> Fair enough. If that's okay with Greg, it's okay with me, but then how
> do we include it into the -rc seen as it's not really a fix?
> Greg, are you okay with me including such large patches during the -rc?
> They essentially add new IOCTLs to the raw-gadget interface.

Yes, as the driver only went in for -rc1, it's fine to add fixes like
this so late as we don't want to ship a -final with it in broken form.


greg k-h

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