ARM: ux500: cpuidle: use init/exit common routine

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

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c
index 5657d4a..488e074 100644 (file)
--- a/arch/arm/mach-ux500/cpuidle.c
+++ b/arch/arm/mach-ux500/cpuidle.c
@@ -21,7 +21,6 @@
 
 static atomic_t master = ATOMIC_INIT(0);
 static DEFINE_SPINLOCK(master_lock);
-static DEFINE_PER_CPU(struct cpuidle_device, ux500_cpuidle_device);
 
 static inline int ux500_enter_idle(struct cpuidle_device *dev,
                                   struct cpuidle_driver *drv, int index)
@@ -112,40 +111,11 @@ static struct cpuidle_driver ux500_idle_driver = {
 
 int __init ux500_idle_init(void)
 {
-       int ret, cpu;
-       struct cpuidle_device *device;
-
         /* Configure wake up reasons */
        prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) |
                             PRCMU_WAKEUP(ABB));
 
-       ret = cpuidle_register_driver(&ux500_idle_driver);
-       if (ret) {
-               printk(KERN_ERR "failed to register ux500 idle driver\n");
-               return ret;
-       }
-
-       for_each_possible(cpu) {
-               device = &per_cpu(ux500_cpuidle_device, cpu);
-               device->cpu = cpu;
-               ret = cpuidle_register_device(device);
-               if (ret) {
-                       printk(KERN_ERR "Failed to register cpuidle "
-                              "device for cpu%d\n", cpu);
-                       goto out_unregister;
-               }
-       }
-out:
-       return ret;
-
-out_unregister:
-       for_each_possible_cpu(cpu) {
-               device = &per_cpu(ux500_cpuidle_device, cpu);
-               cpuidle_unregister_device(device);
-       }
-
-       cpuidle_unregister_driver(&ux500_idle_driver);
-       goto out;
+       return cpuidle_register(&ux500_idle_driver, NULL);
 }
 
 device_initcall(ux500_idle_init);