On Fri, 24 Jun 2005, Li Yang-r58472 wrote:

> Hi,
> 
> I tried to get my hands on USB gadget driver recently, but there are
> things I can't figure out through documents I can get.  There is a
> length field in the usb_request structure.  It is filled by upper gadget
> layer (fs, serial, etc.).  However, I can't find maximum limit for this
> field, or if we can define a limit for it in udc driver.  Does it mean
> gadget layer may generate transfer requests of any size?

That's right.  You're subject only to the limit of available memory.

Alan Stern



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