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path: root/drivers/base/power/runtime.c
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Diffstat (limited to 'drivers/base/power/runtime.c')
-rw-r--r--drivers/base/power/runtime.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 0a4b75f834c0..6e8577d1f750 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -185,6 +185,7 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
185 } 185 }
186 186
187 dev->power.runtime_status = RPM_SUSPENDING; 187 dev->power.runtime_status = RPM_SUSPENDING;
188 dev->power.deferred_resume = false;
188 189
189 if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend) { 190 if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend) {
190 spin_unlock_irq(&dev->power.lock); 191 spin_unlock_irq(&dev->power.lock);
@@ -200,7 +201,6 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
200 if (retval) { 201 if (retval) {
201 dev->power.runtime_status = RPM_ACTIVE; 202 dev->power.runtime_status = RPM_ACTIVE;
202 pm_runtime_cancel_pending(dev); 203 pm_runtime_cancel_pending(dev);
203 dev->power.deferred_resume = false;
204 204
205 if (retval == -EAGAIN || retval == -EBUSY) { 205 if (retval == -EAGAIN || retval == -EBUSY) {
206 notify = true; 206 notify = true;
@@ -217,7 +217,6 @@ int __pm_runtime_suspend(struct device *dev, bool from_wq)
217 wake_up_all(&dev->power.wait_queue); 217 wake_up_all(&dev->power.wait_queue);
218 218
219 if (dev->power.deferred_resume) { 219 if (dev->power.deferred_resume) {
220 dev->power.deferred_resume = false;
221 __pm_runtime_resume(dev, false); 220 __pm_runtime_resume(dev, false);
222 retval = -EAGAIN; 221 retval = -EAGAIN;
223 goto out; 222 goto out;
@@ -659,13 +658,17 @@ static int __pm_request_resume(struct device *dev)
659 658
660 pm_runtime_deactivate_timer(dev); 659 pm_runtime_deactivate_timer(dev);
661 660
661 if (dev->power.runtime_status == RPM_SUSPENDING) {
662 dev->power.deferred_resume = true;
663 return retval;
664 }
662 if (dev->power.request_pending) { 665 if (dev->power.request_pending) {
663 /* If non-resume request is pending, we can overtake it. */ 666 /* If non-resume request is pending, we can overtake it. */
664 dev->power.request = retval ? RPM_REQ_NONE : RPM_REQ_RESUME; 667 dev->power.request = retval ? RPM_REQ_NONE : RPM_REQ_RESUME;
665 return retval; 668 return retval;
666 } else if (retval) {
667 return retval;
668 } 669 }
670 if (retval)
671 return retval;
669 672
670 dev->power.request = RPM_REQ_RESUME; 673 dev->power.request = RPM_REQ_RESUME;
671 dev->power.request_pending = true; 674 dev->power.request_pending = true;