cpufreq: kirkwood-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: Jason Cooper <jason@lakedaemon.net>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
index c233ea617366..25ac2cb15a43 100644
--- a/drivers/cpufreq/kirkwood-cpufreq.c
+++ b/drivers/cpufreq/kirkwood-cpufreq.c
@@ -14,7 +14,7 @@
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/cpufreq.h>
-#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <asm/proc-fns.h>
@@ -175,9 +175,11 @@ 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)
+        np = of_cpu_device_node_get(0);
+        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)) {