Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759202Ab1FQOfh (ORCPT ); Fri, 17 Jun 2011 10:35:37 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:59961 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759152Ab1FQOfc (ORCPT ); Fri, 17 Jun 2011 10:35:32 -0400 Date: Fri, 17 Jun 2011 10:35:32 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: ablay@codeaurora.org cc: Greg KH , Felipe Balbi , Tatyana Brokhman , , , open list Subject: Re: [PATCH/RFC 5/5] usb: Add support for streams alloc/dealloc to devio.c In-Reply-To: <8196aa784ab3686cb19581131df0be16.squirrel@www.codeaurora.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 888 Lines: 23 On Fri, 17 Jun 2011 ablay@codeaurora.org wrote: > My name is Amit Blay, I'm working with Tatyana Brokhman, I originally > created this patch. I want to make sure I understand the solution: > > We will create a new IOCTL, i.e., USBDEVFS_SUBMITURB_SS. This IOCTL will > pass new URB structure, usbdevfs_urb_ss, which will hold the "legacy" URB > and in addition the stream_id. libusb will be able to use the new ABI > whenever SuperSpeed streams are required. > > Is this correct? This probably should be USBDEVFS_SUBMITURB_STREAM, since it is necesary only for URBs that use bulk streaming rather than for all SuperSpeed URBs. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/