1 files changed, 22 insertions, 11 deletions

diff --git a/arch/sh/kernel/cpu/shmobile/pm_runtime.c b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
index 6dcb8166a64d..22db127afa7b 100644
--- a/arch/sh/kernel/cpu/shmobile/pm_runtime.c
+++ b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
@@ -139,7 +139,7 @@ void platform_pm_runtime_suspend_idle(void)
         queue_work(pm_wq, &hwblk_work);
 }
 
-int platform_pm_runtime_suspend(struct device *dev)
+static int default_platform_runtime_suspend(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
         struct pdev_archdata *ad = &pdev->archdata;
@@ -147,7 +147,7 @@ int platform_pm_runtime_suspend(struct device *dev)
         int hwblk = ad->hwblk_id;
         int ret = 0;
 
-        dev_dbg(dev, "platform_pm_runtime_suspend() [%d]\n", hwblk);
+        dev_dbg(dev, "%s() [%d]\n", __func__, hwblk);
 
         /* ignore off-chip platform devices */
         if (!hwblk)
@@ -183,20 +183,20 @@ int platform_pm_runtime_suspend(struct device *dev)
         mutex_unlock(&ad->mutex);
 
 out:
-        dev_dbg(dev, "platform_pm_runtime_suspend() [%d] returns %d\n",
-                hwblk, ret);
+        dev_dbg(dev, "%s() [%d] returns %d\n",
+                 __func__, hwblk, ret);
 
         return ret;
 }
 
-int platform_pm_runtime_resume(struct device *dev)
+static int default_platform_runtime_resume(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
         struct pdev_archdata *ad = &pdev->archdata;
         int hwblk = ad->hwblk_id;
         int ret = 0;
 
-        dev_dbg(dev, "platform_pm_runtime_resume() [%d]\n", hwblk);
+        dev_dbg(dev, "%s() [%d]\n", __func__, hwblk);
 
         /* ignore off-chip platform devices */
         if (!hwblk)
@@ -228,19 +228,19 @@ int platform_pm_runtime_resume(struct device *dev)
          */
         mutex_unlock(&ad->mutex);
 out:
-        dev_dbg(dev, "platform_pm_runtime_resume() [%d] returns %d\n",
-                hwblk, ret);
+        dev_dbg(dev, "%s() [%d] returns %d\n",
+                __func__, hwblk, ret);
 
         return ret;
 }
 
-int platform_pm_runtime_idle(struct device *dev)
+static int default_platform_runtime_idle(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
         int hwblk = pdev->archdata.hwblk_id;
         int ret = 0;
 
-        dev_dbg(dev, "platform_pm_runtime_idle() [%d]\n", hwblk);
+        dev_dbg(dev, "%s() [%d]\n", __func__, hwblk);
 
         /* ignore off-chip platform devices */
         if (!hwblk)
@@ -252,10 +252,19 @@ int platform_pm_runtime_idle(struct device *dev)
         /* suspend synchronously to disable clocks immediately */
         ret = pm_runtime_suspend(dev);
 out:
-        dev_dbg(dev, "platform_pm_runtime_idle() [%d] done!\n", hwblk);
+        dev_dbg(dev, "%s() [%d] done!\n", __func__, hwblk);
         return ret;
 }
 
+static struct dev_power_domain default_power_domain = {
+        .ops = {
+                .runtime_suspend = default_platform_runtime_suspend,
+                .runtime_resume = default_platform_runtime_resume,
+                .runtime_idle = default_platform_runtime_idle,
+                USE_PLATFORM_PM_SLEEP_OPS
+        },
+};
+
 static int platform_bus_notify(struct notifier_block *nb,
                                unsigned long action, void *data)
 {
@@ -276,6 +285,7 @@ static int platform_bus_notify(struct notifier_block *nb,
                 hwblk_disable(hwblk_info, hwblk);
                 /* make sure driver re-inits itself once */
                 __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags);
+                dev->pwr_domain = &default_power_domain;
                 break;
         /* TODO: add BUS_NOTIFY_BIND_DRIVER and increase idle count */
         case BUS_NOTIFY_BOUND_DRIVER:
@@ -289,6 +299,7 @@ static int platform_bus_notify(struct notifier_block *nb,
                 __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags);
                 break;
         case BUS_NOTIFY_DEL_DEVICE:
+                dev->pwr_domain = NULL;
                 break;
         }
         return 0;