From: Sudeep KarkadaNagesha <sudeep.karkadanagesha@xxxxxxx>
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.
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@xxxxxxx>
---
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
--
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