ARM: tegra: cpuidle: use init/exit common routine for tegra3

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

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c
index f6a0c7291c35180df888a794a0f5afc1ef8be625..36dc2befa9d8c8980cddd9098c4801d872a4eafa 100644 (file)
--- a/arch/arm/mach-tegra/cpuidle-tegra30.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra30.c
@@ -64,8 +64,6 @@ static struct cpuidle_driver tegra_idle_driver = {
        },
 };
 
-static DEFINE_PER_CPU(struct cpuidle_device, tegra_idle_device);
-
 #ifdef CONFIG_PM_SLEEP
 static bool tegra30_cpu_cluster_power_down(struct cpuidle_device *dev,
                                           struct cpuidle_driver *drv,
@@ -156,31 +154,8 @@ static int tegra30_idle_lp2(struct cpuidle_device *dev,
 
 int __init tegra30_cpuidle_init(void)
 {
-       int ret;
-       unsigned int cpu;
-       struct cpuidle_device *dev;
-       struct cpuidle_driver *drv = &tegra_idle_driver;
-
 #ifdef CONFIG_PM_SLEEP
        tegra_tear_down_cpu = tegra30_tear_down_cpu;
 #endif
-
-       ret = cpuidle_register_driver(&tegra_idle_driver);
-       if (ret) {
-               pr_err("CPUidle driver registration failed\n");
-               return ret;
-       }
-
-       for_each_possible_cpu(cpu) {
-               dev = &per_cpu(tegra_idle_device, cpu);
-               dev->cpu = cpu;
-
-               ret = cpuidle_register_device(dev);
-               if (ret) {
-                       pr_err("CPU%u: CPUidle device registration failed\n",
-                               cpu);
-                       return ret;
-               }
-       }
-       return 0;
+       return cpuidle_register(&tegra_idle_driver, NULL);
 }