diff options
| author | Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | 2013-07-17 12:39:29 +0100 |
|---|---|---|
| committer | Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | 2013-08-21 10:29:55 +0100 |
| commit | 2421d4c34d492efd8b116ce62ae5612b5b9864b2 (patch) | |
| tree | c4cf9510e1cb851eb77afb2a5d07e6b80ae4078a /drivers | |
| parent | da0eb143dbbaf26b6f084bee81d56fc64efb5390 (diff) | |
cpufreq: maple-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: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/maple-cpufreq.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/cpufreq/maple-cpufreq.c b/drivers/cpufreq/maple-cpufreq.c index cdd62915efaf..f071dc49f129 100644 --- a/drivers/cpufreq/maple-cpufreq.c +++ b/drivers/cpufreq/maple-cpufreq.c @@ -24,7 +24,7 @@ #include <linux/completion.h> #include <linux/mutex.h> #include <linux/time.h> -#include <linux/of.h> +#include <linux/of_device.h> #define DBG(fmt...) pr_debug(fmt) @@ -201,7 +201,6 @@ static struct cpufreq_driver maple_cpufreq_driver = { static int __init maple_cpufreq_init(void) { - struct device_node *cpus; struct device_node *cpunode; unsigned int psize; unsigned long max_freq; @@ -217,24 +216,11 @@ static int __init maple_cpufreq_init(void) !of_machine_is_compatible("Momentum,Apache")) return 0; - cpus = of_find_node_by_path("/cpus"); - if (cpus == NULL) { - DBG("No /cpus node !\n"); - return -ENODEV; - } - /* Get first CPU node */ - for (cpunode = NULL; - (cpunode = of_get_next_child(cpus, cpunode)) != NULL;) { - const u32 *reg = of_get_property(cpunode, "reg", NULL); - if (reg == NULL || (*reg) != 0) - continue; - if (!strcmp(cpunode->type, "cpu")) - break; - } + cpunode = of_cpu_device_node_get(0); if (cpunode == NULL) { printk(KERN_ERR "cpufreq: Can't find any CPU 0 node\n"); - goto bail_cpus; + goto bail_noprops; } /* Check 970FX for now */ @@ -290,14 +276,11 @@ static int __init maple_cpufreq_init(void) rc = cpufreq_register_driver(&maple_cpufreq_driver); of_node_put(cpunode); - of_node_put(cpus); return rc; bail_noprops: of_node_put(cpunode); -bail_cpus: - of_node_put(cpus); return rc; } |