Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751706Ab3HTJch (ORCPT ); Tue, 20 Aug 2013 05:32:37 -0400 Received: from service87.mimecast.com ([91.220.42.44]:34970 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751373Ab3HTJaU (ORCPT ); Tue, 20 Aug 2013 05:30:20 -0400 From: Sudeep KarkadaNagesha To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Sudeep.KarkadaNagesha@arm.com, Viresh Kumar , Greg Kroah-Hartman , Benjamin Herrenschmidt , Jonas Bonn , Michal Simek , "Rafael J. Wysocki" , Grant Likely , Rob Herring , Sudeep KarkadaNagesha Subject: [PATCH v4 12/19] cpufreq: cpufreq-cpu0: remove device tree parsing for cpu nodes Date: Tue, 20 Aug 2013 10:30:14 +0100 Message-Id: <1376991021-12160-13-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1376991021-12160-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> References: <1374492747-13879-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1376991021-12160-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-OriginalArrivalTime: 20 Aug 2013 09:30:16.0912 (UTC) FILETIME=[E176AD00:01CE9D87] X-MC-Unique: 113082010301810801 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id r7K9WfqZ012291 Content-Length: 2092 Lines: 78 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. Acked-by: Shawn Guo Acked-by: Rob Herring Acked-by: Viresh Kumar Signed-off-by: Sudeep KarkadaNagesha --- drivers/cpufreq/cpufreq-cpu0.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index ad1fde2..5b05c26 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -174,29 +174,17 @@ static struct cpufreq_driver cpu0_cpufreq_driver = { static int cpu0_cpufreq_probe(struct platform_device *pdev) { - struct device_node *np, *parent; + struct device_node *np; int ret; - parent = of_find_node_by_path("/cpus"); - if (!parent) { - pr_err("failed to find OF /cpus\n"); - return -ENOENT; - } - - for_each_child_of_node(parent, np) { - if (of_get_property(np, "operating-points", NULL)) - break; - } + cpu_dev = &pdev->dev; + np = of_node_get(cpu_dev->of_node); if (!np) { pr_err("failed to find cpu0 node\n"); - ret = -ENOENT; - goto out_put_parent; + return -ENOENT; } - cpu_dev = &pdev->dev; - cpu_dev->of_node = np; - cpu_reg = devm_regulator_get(cpu_dev, "cpu0"); if (IS_ERR(cpu_reg)) { /* @@ -269,15 +257,12 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) } of_node_put(np); - of_node_put(parent); return 0; out_free_table: opp_free_cpufreq_table(cpu_dev, &freq_table); out_put_node: of_node_put(np); -out_put_parent: - of_node_put(parent); return ret; } -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/