linux-kernel - Re: [PATCH 2/2] usb: gadget: ffs: add ACM + FunctionFS configuration

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Message-ID: <520E49CA.9010800@linaro.org>
Date:	Fri, 16 Aug 2013 11:48:26 -0400
From:	Matt Porter <matt.porter@...aro.org>
To:	balbi@...com
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux USB List <linux-usb@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: Re: [PATCH 2/2] usb: gadget: ffs: add ACM + FunctionFS configuration

On 08/16/2013 11:32 AM, Felipe Balbi wrote:
> On Fri, Aug 16, 2013 at 11:27:48AM -0400, Matt Porter wrote:
>> Adds an additional configuration to g_ffs to allow for
>> CDC ACM support in conjuction with FunctionFS. A module
>> parameter is added to allow for multiple ACM ports to
>> be instantiated.
>>
>> Signed-off-by: Matt Porter <matt.porter@...aro.org>
>
> the whole idea of the configfs interface was that we wouldn't add this
> sort of patch to the kernel anymore. What's wrong with building your
> device through configfs in userland ?
>

That would be nice. Unless I missed it, we don't have support for ffs
via the gadget configfs framework. That's what drove this as I wanted 
ACM + a ffs driven function. I'll look into adding an ffs option.

Thanks,
Matt
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