From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756746Ab3ANJs4 (ORCPT ); Mon, 14 Jan 2013 04:48:56 -0500 Received: from multi.imgtec.com ([194.200.65.239]:56784 "EHLO multi.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755986Ab3ANJsx (ORCPT ); Mon, 14 Jan 2013 04:48:53 -0500 Message-ID: <50F3D481.4000806@imgtec.com> Date: Mon, 14 Jan 2013 09:48:49 +0000 From: James Hogan User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Vineet Gupta CC: Arnd Bergmann , Grant Likely , , , , Paul Mundt Subject: Re: early init dt for earlyprintk (was Re: [RFC PATCH v1 25/31] ARC: [plat-arcfpga] Hooking up platform to ARC UART) References: <1352281674-2186-1-git-send-email-vgupta@synopsys.com> <1352281674-2186-26-git-send-email-vgupta@synopsys.com> <201211071416.08012.arnd@arndb.de> <50F3B54D.7010801@synopsys.com> In-Reply-To: <50F3B54D.7010801@synopsys.com> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.154.65] X-SEF-Processed: 7_3_0_01181__2013_01_14_09_48_52 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Vineet On 14/01/13 07:35, Vineet Gupta wrote: > 2. We really need a Documentation/dt-for-new-linux-arches.txt, as the existing > refs - while very helpful - fail to mention subtleties such as you absolutely need > a intc instance and a default irq domain ..... before the driver can start using > the DT. Sounds like a good idea. I'm curious about what you say about default IRQ domains though. Do you mean irq_set_default_host? In what way is that required to use DT? Cheers James From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Hogan Subject: Re: early init dt for earlyprintk (was Re: [RFC PATCH v1 25/31] ARC: [plat-arcfpga] Hooking up platform to ARC UART) Date: Mon, 14 Jan 2013 09:48:49 +0000 Message-ID: <50F3D481.4000806@imgtec.com> References: <1352281674-2186-1-git-send-email-vgupta@synopsys.com> <1352281674-2186-26-git-send-email-vgupta@synopsys.com> <201211071416.08012.arnd@arndb.de> <50F3B54D.7010801@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from multi.imgtec.com ([194.200.65.239]:56784 "EHLO multi.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755986Ab3ANJsx (ORCPT ); Mon, 14 Jan 2013 04:48:53 -0500 In-Reply-To: <50F3B54D.7010801@synopsys.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Vineet Gupta Cc: Arnd Bergmann , Grant Likely , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, Paul Mundt Hi Vineet On 14/01/13 07:35, Vineet Gupta wrote: > 2. We really need a Documentation/dt-for-new-linux-arches.txt, as the existing > refs - while very helpful - fail to mention subtleties such as you absolutely need > a intc instance and a default irq domain ..... before the driver can start using > the DT. Sounds like a good idea. I'm curious about what you say about default IRQ domains though. Do you mean irq_set_default_host? In what way is that required to use DT? Cheers James