On Mon, 2018-01-22 at 15:33 +0100, Greg KH wrote: > On Fri, Jan 12, 2018 at 05:50:03PM +1100, Benjamin Herrenschmidt wrote: > > Some UDC may want to allocate endpoints dynamically, either because > > the HW supports an arbitrary large number or because (like the Aspeed > > BMC SoCs), the pool of HW endpoints is shared between multiple gadgets. > > > > The allocation side can be done rather easily using the existing > > match_ep() UDC hook. > > > > However we have no good place to "free" them. > > > > This implements a "simple" variant of this, which calls an EP dispose > > callback on all EPs associated with a gadget when the composite device > > gets unbound. > > > > This is required by my upcoming Aspeed vHub driver. > > > > Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > > --- > > drivers/usb/gadget/composite.c | 8 ++++++++ > > include/linux/usb/gadget.h | 1 + > > 2 files changed, 9 insertions(+) > > Any reason you aren't sending these to the maintainer of the usb gadget > subsystem? get_maintainer.pl is your friend :) Ooops, forgot to CC Felipe, I suppose I assumed he follows the list. I'll resend them. He saw earlier versions, he proposed a different approach to solve the lifetime tracking that I very strongly disagreed with, but he didn't reply to that last email back in the day.. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
