cpufreq: interactive: add touch boost and init some param on rockchip platform

[firefly-linux-kernel-4.4.55.git] / drivers / cpufreq / highbank-cpufreq.c

diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
index 9216c2020ec185280165dcee174f52f24900f9f2..1608f7105c9f882c9e787b34a3aa270d9ace75e5 100644 (file)
--- a/drivers/cpufreq/highbank-cpufreq.c
+++ b/drivers/cpufreq/highbank-cpufreq.c
@@ -6,7 +6,7 @@
  * published by the Free Software Foundation.
  *
  * This driver provides the clk notifier callbacks that are used when
- * the cpufreq-cpu0 driver changes to frequency to alert the highbank
+ * the cpufreq-dt driver changes to frequency to alert the highbank
  * EnergyCore Management Engine (ECME) about the need to change
  * voltage. The ECME interfaces with the actual voltage regulators.
  */
@@ -60,7 +60,7 @@ static struct notifier_block hb_cpufreq_clk_nb = {
 
 static int hb_cpufreq_driver_init(void)
 {
-       struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+       struct platform_device_info devinfo = { .name = "cpufreq-dt", };
        struct device *cpu_dev;
        struct clk *cpu_clk;
        struct device_node *np;
@@ -70,23 +70,17 @@ static int hb_cpufreq_driver_init(void)
                (!of_machine_is_compatible("calxeda,ecx-2000")))
                return -ENODEV;
 
-       for_each_child_of_node(of_find_node_by_path("/cpus"), np)
-               if (of_get_property(np, "operating-points", NULL))
-                       break;
-
-       if (!np) {
-               pr_err("failed to find highbank cpufreq node\n");
-               return -ENOENT;
-       }
-
        cpu_dev = get_cpu_device(0);
        if (!cpu_dev) {
                pr_err("failed to get highbank cpufreq device\n");
-               ret = -ENODEV;
-               goto out_put_node;
+               return -ENODEV;
        }
 
-       cpu_dev->of_node = np;
+       np = of_node_get(cpu_dev->of_node);
+       if (!np) {
+               pr_err("failed to find highbank cpufreq node\n");
+               return -ENOENT;
+       }
 
        cpu_clk = clk_get(cpu_dev, NULL);
        if (IS_ERR(cpu_clk)) {
@@ -101,7 +95,7 @@ static int hb_cpufreq_driver_init(void)
                goto out_put_node;
        }
 
-       /* Instantiate cpufreq-cpu0 */
+       /* Instantiate cpufreq-dt */
        platform_device_register_full(&devinfo);
 
 out_put_node: