Re: [PATCH 06/41] usb: gadget: add max_speed to usb_composite_driver

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On Wed, 29 Jun 2011, Jassi Brar wrote:

> On Wed, Jun 29, 2011 at 3:57 PM, Tanya Brokhman <tlinder@xxxxxxxxxxxxxx> wrote:
> >> Though that might mean some modifications to the gadget stack!
> >
> > Hmmm... to the gadget stack? I would think that perhaps some modifications are required to gadget drivers that don't support HS at the moment, although I can't think of such.
> > What modifications to the gadget stack do you have in mind?
> 
> By gadget stack I meant USB device side code in general.
> 
> Well, yes may be not many changes.
> gadget_is_dualspeed() should simply be a wrapper for gadget->is_dualspeed
> CONFIG_USB_GADGET_DUALSPEED should be completely removed.

No, it should not.  It provides a way for gadget drivers to know _at 
compile time_ whether they need to provide HS descriptors.

Alan Stern

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