From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH v4 1/4] USB: introduce usb_device_no_sg_constraint() helper Date: Thu, 08 Aug 2013 09:28:32 -0700 Message-ID: <1375979312.4004.111.camel@edumazet-glaptop> References: <1375969705-24877-1-git-send-email-ming.lei@canonical.com> <1375969705-24877-2-git-send-email-ming.lei@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Greg Kroah-Hartman , Oliver Neukum , Sarah Sharp , netdev@vger.kernel.org, linux-usb@vger.kernel.org To: Ming Lei Return-path: Received: from mail-oa0-f50.google.com ([209.85.219.50]:57492 "EHLO mail-oa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757956Ab3HHQ2f (ORCPT ); Thu, 8 Aug 2013 12:28:35 -0400 In-Reply-To: <1375969705-24877-2-git-send-email-ming.lei@canonical.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 2013-08-08 at 21:48 +0800, Ming Lei wrote: > Some host controllers(such as xHCI) can support building > packet from discontinuous buffers, so introduce one flag > and helper for this kind of host controllers, then the > feature can help some applications(such as usbnet) by > supporting arbitrary length of sg buffers. > > Acked-by: Alan Stern > Signed-off-by: Ming Lei > --- Reviewed-by: Eric Dumazet