*/
#include <linux/clk.h>
+#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/delay.h>
#include <linux/err.h>
unsigned long min_volt, max_volt;
int num, ret;
- cpu_dev = &pdev->dev;
+ cpu_dev = get_cpu_device(0);
+ if (!cpu_dev) {
+ pr_err("failed to get cpu0 device\n");
+ return -ENODEV;
+ }
np = of_node_get(cpu_dev->of_node);
if (!np) {