ARM: OMAP3: cpuidle: use init/exit common routine

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

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index 20785b2..cca045c 100644 (file)
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -26,6 +26,7 @@
 #include <linux/cpuidle.h>
 #include <linux/export.h>
 #include <linux/cpu_pm.h>
+#include <asm/cpuidle.h>
 
 #include "powerdomain.h"
 #include "clockdomain.h"
@@ -259,8 +260,6 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev,
        return ret;
 }
 
-static DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev);
-
 static struct cpuidle_driver omap3_idle_driver = {
        .name             = "omap3_idle",
        .owner            = THIS_MODULE,
@@ -336,8 +335,6 @@ static struct cpuidle_driver omap3_idle_driver = {
  */
 int __init omap3_idle_init(void)
 {
-       struct cpuidle_device *dev;
-
        mpu_pd = pwrdm_lookup("mpu_pwrdm");
        core_pd = pwrdm_lookup("core_pwrdm");
        per_pd = pwrdm_lookup("per_pwrdm");
@@ -346,20 +343,5 @@ int __init omap3_idle_init(void)
        if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
                return -ENODEV;
 
-       if (cpuidle_register_driver(&omap3_idle_driver)) {
-               pr_err("%s: CPUidle driver register failed\n", __func__);
-               return -EIO;
-       }
-
-       dev = &per_cpu(omap3_idle_dev, smp_processor_id());
-       dev->cpu = 0;
-
-       if (cpuidle_register_device(dev)) {
-               printk(KERN_ERR "%s: CPUidle register device failed\n",
-                      __func__);
-               cpuidle_unregister_driver(&omap3_idle_driver);
-               return -EIO;
-       }
-
-       return 0;
+       return cpuidle_register(&omap3_idle_driver, NULL);
 }