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ARM: calxeda: cpuidle: use init/exit common routine

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Remove the duplicated code and use the cpuidle common code for initialization.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Daniel Lezcano 2013-04-23 08:54:42 +00:00 committed by Rafael J. Wysocki
parent f040c26ffa
commit 0b210d96a6
1 changed files with 1 additions and 51 deletions
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52
drivers/cpuidle/cpuidle-calxeda.c
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@ -35,8 +35,6 @@
extern void highbank_set_cpu_jump(int cpu, void *jump_addr);
extern void *scu_base_addr;
static struct cpuidle_device __percpu *calxeda_idle_cpuidle_devices;
static inline unsigned int get_auxcr(void)
{
unsigned int val;
@ -85,19 +83,6 @@ static int calxeda_pwrdown_idle(struct cpuidle_device *dev,
return index;
}
static void calxeda_idle_cpuidle_devices_uninit(void)
{
int i;
struct cpuidle_device *dev;
for_each_possible_cpu(i) {
dev = per_cpu_ptr(calxeda_idle_cpuidle_devices, i);
cpuidle_unregister_device(dev);
}
free_percpu(calxeda_idle_cpuidle_devices);
}
static struct cpuidle_driver calxeda_idle_driver = {
.name = "calxeda_idle",
.states = {
@ -117,44 +102,9 @@ static struct cpuidle_driver calxeda_idle_driver = {
static int __init calxeda_cpuidle_init(void)
{
int cpu_id;
int ret;
struct cpuidle_device *dev;
struct cpuidle_driver *drv = &calxeda_idle_driver;
if (!of_machine_is_compatible("calxeda,highbank"))
return -ENODEV;
ret = cpuidle_register_driver(drv);
if (ret)
return ret;
calxeda_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device);
if (calxeda_idle_cpuidle_devices == NULL) {
ret = -ENOMEM;
goto unregister_drv;
}
/* initialize state data for each cpuidle_device */
for_each_possible_cpu(cpu_id) {
dev = per_cpu_ptr(calxeda_idle_cpuidle_devices, cpu_id);
dev->cpu = cpu_id;
dev->state_count = drv->state_count;
ret = cpuidle_register_device(dev);
if (ret) {
pr_err("Failed to register cpu %u, error: %d\n",
cpu_id, ret);
goto uninit;
}
}
return 0;
uninit:
calxeda_idle_cpuidle_devices_uninit();
unregister_drv:
cpuidle_unregister_driver(drv);
return ret;
return cpuidle_register(&calxeda_idle_driver, NULL);
}
module_init(calxeda_cpuidle_init);