From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755430AbZJ1STn (ORCPT ); Wed, 28 Oct 2009 14:19:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753640AbZJ1STm (ORCPT ); Wed, 28 Oct 2009 14:19:42 -0400 Received: from foo.birdnet.se ([213.88.146.6]:40327 "HELO foo.birdnet.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752875AbZJ1STm (ORCPT ); Wed, 28 Oct 2009 14:19:42 -0400 Message-ID: <20091028181946.30927.qmail@stuge.se> Date: Wed, 28 Oct 2009 19:19:46 +0100 From: Peter Stuge To: Greg KH Cc: linux-kernel@vger.kernel.org, Alan Cox Subject: Re: Dropped characters in serial connection without flow control Mail-Followup-To: Greg KH , linux-kernel@vger.kernel.org, Alan Cox References: <20091028175937.27472.qmail@stuge.se> <20091028180544.GA3523@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091028180544.GA3523@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greg KH wrote: > > There is no(!) support for flow control in the hardware. > > > > Is there anything I can do > > What's wrong with XON/XOFF? That was my thought also. I asked about flow control, both hardware and software, and got word from the firmware developer that the device firmware can not be changed to support hardware flow control. I didn't get a comment on XON/XOFF and have already asked again. Meanwhile I wanted to also check here. > And since when is adding a UART to a hardware chip expensive these > days? I agree. I'm trying to work toward a more advanced hardware solution. //Peter