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SubjectRe: [PATCH] usb: add new usb gadget for ACM and mass storage
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On Fri, 16 Sep 2011 19:18:25 +0200, Sebastian Andrzej Siewior  
<bigeasy@linutronix.de> wrote:

> * Greg KH | 2011-09-09 11:43:54 [-0700]:
>
>> So we can expect more patches like this adding all of the possible
>> permutations of the different gadget devices?
>>
>> If so, ick, I thought that the work that was done was to prevent this
>> from happening, oh well :(
>
> Would it be possible to come up with a gadget-hub driver which can have
> multiple gadget attached? This should get rid of this kind of gadget
> drivers, right?

Yes, I keep thinking about such a thing for years now...

Instead of a “gadget HUB” which would have to do a lot of translation of
headers and requests, I was thinking more of making USB composite functions
even more structured (ie. adding callback for per-gadget setup,
per-configuration set-up, etc.) and then creating a composite layer which
would be feed with a trivial structure describing which functions are to
be included in which configurations.

Like I've said before, that's almost what Android does, expect it does
not support many configurations.

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