From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932721Ab1ISWmT (ORCPT ); Mon, 19 Sep 2011 18:42:19 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:40778 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750806Ab1ISWmS (ORCPT ); Mon, 19 Sep 2011 18:42:18 -0400 Date: Mon, 19 Sep 2011 23:41:51 +0100 From: Russell King - ARM Linux To: Stephen Boyd Cc: Will Deacon , Arnd Bergmann , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH 1/2] ARM: debug: Add CLSP711X_UART1 config choice Message-ID: <20110919224151.GB28237@n2100.arm.linux.org.uk> References: <20110916114140.GA31334@e102144-lin.cambridge.arm.com> <1316455300-5752-1-git-send-email-sboyd@codeaurora.org> <20110919212502.GB23613@e102144-lin.cambridge.arm.com> <4E77BE34.6070702@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4E77BE34.6070702@codeaurora.org> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 19, 2011 at 03:12:04PM -0700, Stephen Boyd wrote: > On 09/19/11 14:25, Will Deacon wrote: > > Thanks for cooking the patch, it was somewhere on my list of things to do > > this week! I think we also need to fix the DEBUG_DC21285_PORT option as that > > has a similar `if not selected then use a different UART' behaviour. It can be > > fixed in the same way as you have done in this patch.' > > Ah my eyes glossed over the DC21285 one. Here's one on top of patch 2. > Feel free to squash, etc. Err, the DC21285 only has one serial port. Some footbridge platforms expose the DC21285 to the outside world, others don't. Some footbridge platforms have a separate 8250 UART at the standard PCI COM1 address, others don't. What DEBUG_DC21285_PORT is selecting between is whether to use the DC21285 port (when set) or the 8250 at PCI COM1 (when unset).