cpufreq: highbank-cpufreq: 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.

Cc: Mark Langsdorf <mark.langsdorf@calxeda.com>
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>

diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
index b61b5a3..794123f 100644 (file)
--- a/drivers/cpufreq/highbank-cpufreq.c
+++ b/drivers/cpufreq/highbank-cpufreq.c
@@ -69,23 +69,17 @@ static int hb_cpufreq_driver_init(void)
        if (!of_machine_is_compatible("calxeda,highbank"))
                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)) {