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>

1 files changed, 6 insertions, 12 deletions

diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
index b61b5a3fad64..794123fcf3e3 100644
--- 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)) {