Hi, On Mon, Jun 06, 2011 at 02:40:45PM +0300, Tatyana Brokhman wrote: > Change usb_ep_enable() prototype to use endpoint descriptor from usb_ep. > This optimization spares the FDs from saving the endpoint chosen > descriptor. This optimization is not full though. To fully exploit this > change one needs to update all the UDCs as well since in the current > implementation each of them saves the endpoint descriptor in it's > internal (and extended) endpoint structure. > > Signed-off-by: Tatyana Brokhman <tlinder@xxxxxxxxxxxxxx> now that I look at this patch carefully, won't this break all gadget drivers ? I mean, if I apply this patch, all gadget drivers will be using descriptor from struct usb_ep, but noone is actually assigning that pointer. A better approach would be to: (a) add the field to struct usb_ep (b) make each controller assign that pointer while still keeping the last one (keep the old interface too, make one patch per controller) (c) make each gadget/function driver use the new interface (one patch per driver) (d) remove the old interface from all controller (one patch for all of them) -- balbi
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