From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from service87.mimecast.com (service87.mimecast.com [91.220.42.44]) by ozlabs.org (Postfix) with ESMTP id 26FD32C015D for ; Tue, 20 Aug 2013 19:30:20 +1000 (EST) 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 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> 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> Content-Type: text/plain; charset=WINDOWS-1252 Cc: Jonas Bonn , Michal Simek , Greg Kroah-Hartman , Sudeep KarkadaNagesha , Viresh Kumar , Rob Herring , "Rafael J. Wysocki" , Grant Likely List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 =3D = { =20 static int cpu0_cpufreq_probe(struct platform_device *pdev) { -=09struct device_node *np, *parent; +=09struct device_node *np; =09int ret; =20 -=09parent =3D of_find_node_by_path("/cpus"); -=09if (!parent) { -=09=09pr_err("failed to find OF /cpus\n"); -=09=09return -ENOENT; -=09} - -=09for_each_child_of_node(parent, np) { -=09=09if (of_get_property(np, "operating-points", NULL)) -=09=09=09break; -=09} +=09cpu_dev =3D &pdev->dev; =20 +=09np =3D of_node_get(cpu_dev->of_node); =09if (!np) { =09=09pr_err("failed to find cpu0 node\n"); -=09=09ret =3D -ENOENT; -=09=09goto out_put_parent; +=09=09return -ENOENT; =09} =20 -=09cpu_dev =3D &pdev->dev; -=09cpu_dev->of_node =3D np; - =09cpu_reg =3D devm_regulator_get(cpu_dev, "cpu0"); =09if (IS_ERR(cpu_reg)) { =09=09/* @@ -269,15 +257,12 @@ static int cpu0_cpufreq_probe(struct platform_device = *pdev) =09} =20 =09of_node_put(np); -=09of_node_put(parent); =09return 0; =20 out_free_table: =09opp_free_cpufreq_table(cpu_dev, &freq_table); out_put_node: =09of_node_put(np); -out_put_parent: -=09of_node_put(parent); =09return ret; } =20 --=20 1.8.1.2