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>

diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
index c233ea6..25ac2cb 100644 (file)
--- 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)) {