[RFC patch 10/11] cpuidle / calxeda : use common ARM cpuidle driver
Daniel Lezcano
daniel.lezcano at linaro.org
Fri Mar 15 10:27:09 EDT 2013
Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>
---
drivers/cpuidle/cpuidle-calxeda.c | 52 +------------------------------------
1 file changed, 1 insertion(+), 51 deletions(-)
diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c
index e1aab38..5db7935 100644
--- a/drivers/cpuidle/cpuidle-calxeda.c
+++ b/drivers/cpuidle/cpuidle-calxeda.c
@@ -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",
.en_core_tk_irqen = 1,
@@ -118,44 +103,9 @@ 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 arm_idle_init(&calxeda_idle_driver);
}
module_init(calxeda_cpuidle_init);
--
1.7.9.5
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