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Date: Mon, 15 Jul 2013 11:22:11 +0100 From: Sudeep.KarkadaNagesha@....com To: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: cpufreq@...r.kernel.org, arnd@...db.de, olof@...om.net, lorenzo.pieralisi@....com, rob.herring@...xeda.com, grant.likely@...aro.org, rjw@...k.pl, viresh.kumar@...aro.org, gregkh@...uxfoundation.org, gregory.clement@...e-electrons.com, kernel@...gutronix.de, shawn.guo@...aro.org, linux@....linux.org.uk, Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com> Subject: [RFC PATCH 10/11] cpufreq: kirkwood-cpufreq: remove device tree parsing for cpu nodes From: Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com> 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. Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com> --- drivers/cpufreq/kirkwood-cpufreq.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index c233ea6..18aa3eb 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/cpu.h> #include <linux/cpufreq.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -165,6 +166,7 @@ static struct cpufreq_driver kirkwood_cpufreq_driver = { static int kirkwood_cpufreq_probe(struct platform_device *pdev) { struct device_node *np; + struct device *cpu_dev; struct resource *res; int err; @@ -175,9 +177,17 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) if (IS_ERR(priv.base)) return PTR_ERR(priv.base); - np = of_find_node_by_path("/cpus/cpu@0"); - if (!np) + cpu_dev = get_cpu_device(0); + if (!cpu_dev) { + dev_err(&pdev->dev, "failed to get cpu device\n"); return -ENODEV; + } + + np = of_node_get(cpu_dev->of_node); + if (!np) { + dev_err(&pdev->dev, "failed to get cpu device node\n"); + return -ENODEV; + } priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk"); if (IS_ERR(priv.cpu_clk)) { -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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