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Commit f837a9b5 authored by Sudeep Holla's avatar Sudeep Holla
Browse files

cpufreq: cpufreq-cpu0: remove device tree parsing for cpu nodes 



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: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarRob Herring <rob.herring@calxeda.com>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
parent cdc58d60

drivers/cpufreq/cpufreq-cpu0.c

+4 −19
Original line number Diff line number Diff line
@@ -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;

}