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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>
This commit is contained in:
Sudeep KarkadaNagesha 2013-06-17 15:07:28 +01:00
parent f837a9b5ab
commit 5de6e94a29
1 changed files with 6 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/cpufreq/highbank-cpufreq.c
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@ -69,24 +69,18 @@ static int hb_cpufreq_driver_init(void)
if (!of_machine_is_compatible("calxeda,highbank")) if (!of_machine_is_compatible("calxeda,highbank"))
return -ENODEV; return -ENODEV;
for_each_child_of_node(of_find_node_by_path("/cpus"), np) cpu_dev = get_cpu_device(0);
if (of_get_property(np, "operating-points", NULL)) if (!cpu_dev) {
break; pr_err("failed to get highbank cpufreq device\n");
return -ENODEV;
}
np = of_node_get(cpu_dev->of_node);
if (!np) { if (!np) {
pr_err("failed to find highbank cpufreq node\n"); pr_err("failed to find highbank cpufreq node\n");
return -ENOENT; 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;
}
cpu_dev->of_node = np;
cpu_clk = clk_get(cpu_dev, NULL); cpu_clk = clk_get(cpu_dev, NULL);
if (IS_ERR(cpu_clk)) { if (IS_ERR(cpu_clk)) {
ret = PTR_ERR(cpu_clk); ret = PTR_ERR(cpu_clk);