From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757938Ab2IJMwf (ORCPT ); Mon, 10 Sep 2012 08:52:35 -0400 Received: from mga03.intel.com ([143.182.124.21]:65153 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757849Ab2IJMwa (ORCPT ); Mon, 10 Sep 2012 08:52:30 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,398,1344236400"; d="scan'208";a="190871184" Date: Mon, 10 Sep 2012 14:10:21 +0100 From: Alan Cox To: leroy christophe Cc: Alan Cox , Vitaly Bordug , Marcelo Tosatti , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] Powerpc 8xx CPM_UART delay in receive Message-ID: <20120910141021.6e7762d6@bob.linux.org.uk> In-Reply-To: <504D922C.1030407@c-s.fr> References: <201208141426.q7EEQSPc003956@localhost.localdomain> <20120814155227.018988da@pyramind.ukuu.org.uk> <502CF2A0.8080109@c-s.fr> <20120816152918.5ed2649f@pyramind.ukuu.org.uk> <502D054B.3010606@c-s.fr> <20120816162136.059b64b4@bob.linux.org.uk> <504D922C.1030407@c-s.fr> Organization: Intel X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Organisation: Intel Corporation UK Ltd, registered no. 1134945 (England), Registered office Pipers Way, Swindon, SN3 1RJ Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > * a value of 1 for all rates below 2400 (On 8250, fifo is set to 1 > for such rates) > * a value of 2 for 2400 and 4800 > * a value of 4 for 9600 (which is the default on the 8250 for all > rates above 2400) > * a value of 8 for 19200 > * a value of 16 for 38400 and above (on UCC_UART, maxidl is set to > 16, never 32) That would seem sensible. Alan