From patchwork Fri Jun 7 21:55:04 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 2690321 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id A77AF3FC23 for ; Fri, 7 Jun 2013 22:00:31 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ul4e5-0001JM-Mg; Fri, 07 Jun 2013 21:56:31 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ul4d9-0000kn-7c; Fri, 07 Jun 2013 21:55:31 +0000 Received: from mho-03-ewr.mailhop.org ([204.13.248.66] helo=mho-01-ewr.mailhop.org) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ul4d6-0000kR-6V for linux-arm-kernel@lists.infradead.org; Fri, 07 Jun 2013 21:55:28 +0000 Received: from c-50-131-214-131.hsd1.ca.comcast.net ([50.131.214.131] helo=localhost.localdomain) by mho-01-ewr.mailhop.org with esmtpa (Exim 4.72) (envelope-from ) id 1Ul4cj-000EsS-SM; Fri, 07 Jun 2013 21:55:06 +0000 Received: from Mutt by mutt-smtp-wrapper.pl 1.2 (www.zdo.com/articles/mutt-smtp-wrapper.shtml) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 50.131.214.131 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX19iPevfpE9wxvcFcROV1dEc Date: Fri, 7 Jun 2013 14:55:04 -0700 From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH] ARM: OMAP2+: Fix serial init for device tree based booting Message-ID: <20130607215503.GK3331@atomide.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130607_175528_287827_5251CF15 X-CRM114-Status: UNSURE ( 7.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [204.13.248.66 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Cc: linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org We don't want to call omap_serial_early_init() for device tree based booting as the ports are initialized based on the .dts entries. Signed-off-by: Tony Lindgren Reviewed-by: Kevin Hilman --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -176,6 +176,9 @@ static char *cmdline_find_option(char *str) static int __init omap_serial_early_init(void) { + if (of_have_populated_dt()) + return -ENODEV; + do { char oh_name[MAX_UART_HWMOD_NAME_LEN]; struct omap_hwmod *oh;