Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754081AbYBOFIt (ORCPT ); Fri, 15 Feb 2008 00:08:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750798AbYBOFIj (ORCPT ); Fri, 15 Feb 2008 00:08:39 -0500 Received: from hawking.rebel.net.au ([203.20.69.83]:35888 "EHLO hawking.rebel.net.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750750AbYBOFIi (ORCPT ); Fri, 15 Feb 2008 00:08:38 -0500 Message-ID: <47B51E55.6020203@davidnewall.com> Date: Fri, 15 Feb 2008 15:38:37 +1030 From: David Newall User-Agent: Thunderbird 2.0.0.6 (X11/20071022) MIME-Version: 1.0 To: Alan Cox CC: Gene Heskett , Greg KH , linux-usb@vger.kernel.org, Linux Kernel Mailing List Subject: Re: Handshaking on USB serial devices References: <47B30291.2040905@davidnewall.com> <200802141116.14722.gene.heskett@gmail.com> <20080214163143.0915b44c@core> <200802141255.22048.gene.heskett@gmail.com> <20080214193731.3c36acb0@core> In-Reply-To: <20080214193731.3c36acb0@core> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 657 Lines: 15 Alan Cox wrote: >> byte of a packet is being thrown away about .1% of the time for the pl2303, >> but I'm not sure if the FTDI driver still suffers from a similar rash. I >> > > A 20 byte low speed message is too small for flow control to account for > it. I agree. I've observed the first byte of received data disappears on pl2303 devices, but haven't spent time finding out why. (It's on my list.) -- 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/