From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753420Ab2EBNMT (ORCPT ); Wed, 2 May 2012 09:12:19 -0400 Received: from moutng.kundenserver.de ([212.227.126.186]:51086 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752431Ab2EBNMQ (ORCPT ); Wed, 2 May 2012 09:12:16 -0400 From: Arnd Bergmann To: Magnus Damm Subject: Re: [PATCH 00/06] serial8250: DLL/DLM rework, Emma Mobile UART driver Date: Wed, 2 May 2012 13:12:08 +0000 User-Agent: KMail/1.12.2 (Linux/3.4.0-rc3; KDE/4.3.2; x86_64; ; ) Cc: linux-serial@vger.kernel.org, horms@verge.net.au, linux-sh@vger.kernel.org, gregkh@linuxfoundation.org, swarren@wwwdotorg.org, linux-kernel@vger.kernel.org, rjw@sisk.pl, paul.gortmaker@windriver.com, lethal@linux-sh.org, olof@lixom.net, dan.j.williams@intel.com, alan@linux.intel.com References: <20120502124642.30480.41373.sendpatchset@w520> In-Reply-To: <20120502124642.30480.41373.sendpatchset@w520> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201205021312.08308.arnd@arndb.de> X-Provags-ID: V02:K0:pxXft/q7Pnl4unba2ezOtef8VqavPDAD7dbBm7hbQz8 spP875OUlQCBH+21lY7jFAAR7SFYBznmpJJ0kJSLYxy7DtW4Sc e24F89Ak8UIkI9cWPW1YNBzDqH1wwju9BJ9xhD1463wbxN4gUr d61fhKA5Y7MDtm8aRoXUUka6Y6AMFCLcs8EcB3nrELULjTLwn6 imRfVc7JKZrn+n/6yKK1ohQJ7AsKXSty+ikVs0odMgCKGj65Kg lJK4GiMO+ijdz9eXnGTSHb/qD3sxVvmK8zSM+GLlYDE3OZ/TBi PGidVKx6mWaJOVgJChJpfhq1INtFj8WvsX77/1CMBF+tr8d/Gb g5IeX9AMlDyrIeqnhzHo= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 02 May 2012, Magnus Damm wrote: > serial8250: DLL/DLM rework, Emma Mobile UART driver > > [PATCH 01/06] serial8250: Add dl_read()/dl_write() callbacks > [PATCH 02/06] serial8250: Use dl_read()/dl_write() on Alchemy > [PATCH 03/06] serial8250: Use dl_read()/dl_write() on RM9K > [PATCH 04/06] serial8250: Clean up default map and dl code > [PATCH 05/06] serial8250: Introduce serial8250_register_8250_port() > [PATCH 06/06] serial8250-em: Add Emma Mobile UART driver > > This series cleans up and adjusts the 8250 code base to allow > hooking in a driver for the UART in Emma Mobile SoCs. > > In short: > - Patch 1-4 tie in 8250-specific dl_read()/dl_write() callbacks. > - Patch 5 adds a new register function to use new callbacks. > - Patch 6 adds a new driver that makes use of the above. > > I'd be happy to rework the above patches if needed. The > main challenge for Emma Mobile UART support is the non- > standard offsets for DLL and DLM registers. > > Note that there is no DT support included at this point, > but it boils down to a 10 line change. The boot loader on > my board does not do DT so I'd like to use kexec for DT > development (as usual), but to use kexec I first need to > get a non-DT kernel working. Which is basically this. =) > > Signed-off-by: Magnus Damm Looks good, Acked-by: Arnd Bergmann Arnd