Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (21 commits)
  PM / Hibernate: Reduce autotuned default image size
  PM / Core: Introduce struct syscore_ops for core subsystems PM
  PM QoS: Make pm_qos settings readable
  PM / OPP: opp_find_freq_exact() documentation fix
  PM: Documentation/power/states.txt: fix repetition
  PM: Make system-wide PM and runtime PM treat subsystems consistently
  PM: Simplify kernel/power/Kconfig
  PM: Add support for device power domains
  PM: Drop pm_flags that is not necessary
  PM: Allow pm_runtime_suspend() to succeed during system suspend
  PM: Clean up PM_TRACE dependencies and drop unnecessary Kconfig option
  PM: Remove CONFIG_PM_OPS
  PM: Reorder power management Kconfig options
  PM: Make CONFIG_PM depend on (CONFIG_PM_SLEEP || CONFIG_PM_RUNTIME)
  PM / ACPI: Remove references to pm_flags from bus.c
  PM: Do not create wakeup sysfs files for devices that cannot wake up
  USB / Hub: Do not call device_set_wakeup_capable() under spinlock
  PM: Use appropriate printk() priority level in trace.c
  PM / Wakeup: Don't update events_check_enabled in pm_get_wakeup_count()
  PM / Wakeup: Make pm_save_wakeup_count() work as documented
  ...

1 files changed, 26 insertions, 11 deletions

diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 42615b419dfb..54597c859ecb 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -168,6 +168,7 @@ static int rpm_check_suspend_allowed(struct device *dev)
 static int rpm_idle(struct device *dev, int rpmflags)
 {
         int (*callback)(struct device *);
+        int (*domain_callback)(struct device *);
         int retval;
 
         retval = rpm_check_suspend_allowed(dev);
@@ -213,19 +214,28 @@ static int rpm_idle(struct device *dev, int rpmflags)
 
         dev->power.idle_notification = true;
 
-        if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_idle)
-                callback = dev->bus->pm->runtime_idle;
-        else if (dev->type && dev->type->pm && dev->type->pm->runtime_idle)
+        if (dev->type && dev->type->pm)
                 callback = dev->type->pm->runtime_idle;
         else if (dev->class && dev->class->pm)
                 callback = dev->class->pm->runtime_idle;
+        else if (dev->bus && dev->bus->pm)
+                callback = dev->bus->pm->runtime_idle;
         else
                 callback = NULL;
 
-        if (callback) {
+        if (dev->pwr_domain)
+                domain_callback = dev->pwr_domain->ops.runtime_idle;
+        else
+                domain_callback = NULL;
+
+        if (callback || domain_callback) {
                 spin_unlock_irq(&dev->power.lock);
 
-                callback(dev);
+                if (domain_callback)
+                        retval = domain_callback(dev);
+
+                if (!retval && callback)
+                        callback(dev);
 
                 spin_lock_irq(&dev->power.lock);
         }
@@ -372,12 +382,12 @@ static int rpm_suspend(struct device *dev, int rpmflags)
 
         __update_runtime_status(dev, RPM_SUSPENDING);
 
-        if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend)
-                callback = dev->bus->pm->runtime_suspend;
-        else if (dev->type && dev->type->pm && dev->type->pm->runtime_suspend)
+        if (dev->type && dev->type->pm)
                 callback = dev->type->pm->runtime_suspend;
         else if (dev->class && dev->class->pm)
                 callback = dev->class->pm->runtime_suspend;
+        else if (dev->bus && dev->bus->pm)
+                callback = dev->bus->pm->runtime_suspend;
         else
                 callback = NULL;
 
@@ -390,6 +400,8 @@ static int rpm_suspend(struct device *dev, int rpmflags)
                 else
                         pm_runtime_cancel_pending(dev);
         } else {
+                if (dev->pwr_domain)
+                        rpm_callback(dev->pwr_domain->ops.runtime_suspend, dev);
  no_callback:
                 __update_runtime_status(dev, RPM_SUSPENDED);
                 pm_runtime_deactivate_timer(dev);
@@ -569,12 +581,15 @@ static int rpm_resume(struct device *dev, int rpmflags)
 
         __update_runtime_status(dev, RPM_RESUMING);
 
-        if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_resume)
-                callback = dev->bus->pm->runtime_resume;
-        else if (dev->type && dev->type->pm && dev->type->pm->runtime_resume)
+        if (dev->pwr_domain)
+                rpm_callback(dev->pwr_domain->ops.runtime_resume, dev);
+
+        if (dev->type && dev->type->pm)
                 callback = dev->type->pm->runtime_resume;
         else if (dev->class && dev->class->pm)
                 callback = dev->class->pm->runtime_resume;
+        else if (dev->bus && dev->bus->pm)
+                callback = dev->bus->pm->runtime_resume;
         else
                 callback = NULL;