From: Sudeep KarkadaNagesha <sudeep.karkadanage...@arm.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.
Acked-by: Shawn Guo <shawn....@linaro.org>
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanage...@arm.com>
---
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
--
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