From patchwork Wed Jul 17 14:06:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudeep KarkadaNagesha X-Patchwork-Id: 2828812 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 03F0AC0AB2 for ; Wed, 17 Jul 2013 15:56:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E4A4C20354 for ; Wed, 17 Jul 2013 15:56:44 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 55A402032D for ; Wed, 17 Jul 2013 15:56:43 +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 1UzSRF-0007bZ-Gv; Wed, 17 Jul 2013 14:10:43 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UzSPH-0004Dc-5W; Wed, 17 Jul 2013 14:08:39 +0000 Received: from service87.mimecast.com ([91.220.42.44]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UzSNm-00041i-OS for linux-arm-kernel@lists.infradead.org; Wed, 17 Jul 2013 14:07:16 +0000 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Wed, 17 Jul 2013 15:06:44 +0100 Received: from e103737-lin.cambridge.arm.com ([10.1.255.212]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.0); Wed, 17 Jul 2013 15:06:41 +0100 From: Sudeep.KarkadaNagesha@arm.com To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Subject: [RFC PATCH v2 10/15] cpufreq: spear-cpufreq: remove device tree parsing for cpu nodes Date: Wed, 17 Jul 2013 15:06:19 +0100 Message-Id: <1374069984-20567-11-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1374069984-20567-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> References: <1374069984-20567-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-OriginalArrivalTime: 17 Jul 2013 14:06:41.0586 (UTC) FILETIME=[DCA79920:01CE82F6] X-MC-Unique: 113071715064404701 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130717_100707_308691_7CBCB518 X-CRM114-Status: GOOD ( 10.61 ) X-Spam-Score: -2.6 (--) Cc: Deepak Sikri , Lorenzo Pieralisi , Russell King , Arnd Bergmann , Sudeep KarkadaNagesha , Greg Kroah-Hartman , Olof Johansson , Rob Herring , "Rafael J. Wysocki" , Grant Likely , Viresh Kumar , Gregory Clement , Shawn Guo 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sudeep KarkadaNagesha Now that the cpu device registration initialises the of_node(if available) appropriately for all the cpus, parsing here is redundant. This patch removes all DT parsing and uses cpu->of_node instead. Cc: Deepak Sikri Acked-by: Viresh Kumar Signed-off-by: Sudeep KarkadaNagesha --- drivers/cpufreq/spear-cpufreq.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index c3efa7f..eb73c47 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include +#include #include #include #include @@ -218,12 +219,19 @@ static struct cpufreq_driver spear_cpufreq_driver = { static int spear_cpufreq_driver_init(void) { struct device_node *np; + struct device *cpu_dev; const struct property *prop; struct cpufreq_frequency_table *freq_tbl; const __be32 *val; int cnt, i, ret; - np = of_find_node_by_path("/cpus/cpu@0"); + cpu_dev = get_cpu_device(0); + if (!cpu_dev) { + pr_err("failed to get cpu device\n"); + return -ENODEV; + } + + np = of_node_get(cpu_dev->of_node); if (!np) { pr_err("No cpu node found"); return -ENODEV;