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authorSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>2013-06-17 15:04:19 +0100
committerSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>2013-08-21 10:29:53 +0100
commitf837a9b5ab05c52a07108c6f09ca66f2e0aee757 (patch)
treedc602918332d62753e91b943642bdcc32f6a3d52 /drivers/cpufreq
parentcdc58d602d2e657602a90c190cbf745886c95977 (diff)
downloadop-kernel-dev-f837a9b5ab05c52a07108c6f09ca66f2e0aee757.zip
op-kernel-dev-f837a9b5ab05c52a07108c6f09ca66f2e0aee757.tar.gz
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: Shawn Guo <shawn.guo@linaro.org> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq-cpu0.c23
1 files 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;
}
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