From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760992AbZCQFet (ORCPT ); Tue, 17 Mar 2009 01:34:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751758AbZCQFej (ORCPT ); Tue, 17 Mar 2009 01:34:39 -0400 Received: from mail-gx0-f163.google.com ([209.85.217.163]:45980 "EHLO mail-gx0-f163.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751049AbZCQFej convert rfc822-to-8bit (ORCPT ); Tue, 17 Mar 2009 01:34:39 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=dNkz4TBDtedX0ert6mMceEeJzKUe8lVm4/ImZkhFXjXrwkhwhCCYu/XfCF/kIY260N l/sLnqu2oTK0kQQTw0SfqqnvTsWLeRaFBv2fbu5lqwJ3o+eumuX7KkpmrJp6ubdqRfk2 zlsRpyo4pNsavvtZ1Mg0rijwLiC+UZZiKDjws= MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 17 Mar 2009 11:04:36 +0530 Message-ID: Subject: Re: Serial Flow Control From: Rocker Dude To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi All, I am using a powerpc8548e custom hardware and testing flow control on it. I have cross-wired the RTS/CTS of the board with my host terminal. I find that when I am reading from the powerpc, it does not change the CTS signal when it is running out of buffers and hence it is dropping bytes. I referred to something similar at http://lkml.org/lkml/2007/7/26/46. Can anyone please tell me if this flow control needs to be done by the SW? thanx! Sundar