From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH] 8250: Add new UART type SC16C550 Date: Thu, 12 Jul 2012 09:59:19 +0100 Message-ID: <20120712095919.0d05f00f@pyramind.ukuu.org.uk> References: <20120711195453.GC4260@8d.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:59323 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121Ab2GLIzl (ORCPT ); Thu, 12 Jul 2012 04:55:41 -0400 In-Reply-To: <20120711195453.GC4260@8d.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Raphael Assenat Cc: linux-serial@vger.kernel.org On Wed, 11 Jul 2012 15:54:53 -0400 Raphael Assenat wrote: > The NXP SC16C550 has a 16 Byte FIFO and support Automatic Flow Control, > enabled by setting bit 5 of MCR (a.k.a. AFE). > > This patch adds a new 8250 port type (PORT_SC16C550) to support > this chip correcly. Should also work for TI TL16550C/D. > > Tested on a custom OMAP board with an SC16C554 (quad uart) attached > to the GPMC. We experienced receive overruns when not using AFE. > > Signed-off-by: Raphael Assenat Looks fine and ready to go in as and when patches for the mainline kernel that actually use it go in (ie submit it with the board support once you get that far) Alan