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yaml
---
r: 280400
b: refs/heads/master
c: 1eac811
h: refs/heads/master
v: v3
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Rafael J. Wysocki committed Dec 17, 2011
1 parent 7243c28 commit e99032e
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Showing 2 changed files with 12 additions and 38 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8ca6d9bcc8d33c592c0855b4b1481bc723ac7e85
refs/heads/master: 1eac8111e0763853266a171ce11214da3a347a0a
48 changes: 11 additions & 37 deletions trunk/drivers/base/power/generic_ops.c
Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,7 @@ int pm_generic_prepare(struct device *dev)
* @event: PM transition of the system under way.
* @bool: Whether or not this is the "noirq" stage.
*
* Execute the suspend/freeze/poweroff/thaw callback provided by the driver of
* Execute the PM callback corresponding to @event provided by the driver of
* @dev, if defined, and return its error code. Return 0 if the callback is
* not present.
*/
Expand All @@ -119,9 +119,15 @@ static int __pm_generic_call(struct device *dev, int event, bool noirq)
case PM_EVENT_HIBERNATE:
callback = noirq ? pm->poweroff_noirq : pm->poweroff;
break;
case PM_EVENT_RESUME:
callback = noirq ? pm->resume_noirq : pm->resume;
break;
case PM_EVENT_THAW:
callback = noirq ? pm->thaw_noirq : pm->thaw;
break;
case PM_EVENT_RESTORE:
callback = noirq ? pm->restore_noirq : pm->restore;
break;
default:
callback = NULL;
break;
Expand Down Expand Up @@ -210,45 +216,13 @@ int pm_generic_thaw(struct device *dev)
}
EXPORT_SYMBOL_GPL(pm_generic_thaw);

/**
* __pm_generic_resume - Generic resume/restore callback for subsystems.
* @dev: Device to handle.
* @event: PM transition of the system under way.
* @bool: Whether or not this is the "noirq" stage.
*
* Execute the resume/resotre callback provided by the @dev's driver, if
* defined, and return its error code. Return 0 if the callback is not present.
*/
static int __pm_generic_resume(struct device *dev, int event, bool noirq)
{
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
int (*callback)(struct device *);

if (!pm)
return 0;

switch (event) {
case PM_EVENT_RESUME:
callback = noirq ? pm->resume_noirq : pm->resume;
break;
case PM_EVENT_RESTORE:
callback = noirq ? pm->restore_noirq : pm->restore;
break;
default:
callback = NULL;
break;
}

return callback ? callback(dev) : 0;
}

/**
* pm_generic_resume_noirq - Generic resume_noirq callback for subsystems.
* @dev: Device to resume.
*/
int pm_generic_resume_noirq(struct device *dev)
{
return __pm_generic_resume(dev, PM_EVENT_RESUME, true);
return __pm_generic_call(dev, PM_EVENT_RESUME, true);
}
EXPORT_SYMBOL_GPL(pm_generic_resume_noirq);

Expand All @@ -258,7 +232,7 @@ EXPORT_SYMBOL_GPL(pm_generic_resume_noirq);
*/
int pm_generic_resume(struct device *dev)
{
return __pm_generic_resume(dev, PM_EVENT_RESUME, false);
return __pm_generic_call(dev, PM_EVENT_RESUME, false);
}
EXPORT_SYMBOL_GPL(pm_generic_resume);

Expand All @@ -268,7 +242,7 @@ EXPORT_SYMBOL_GPL(pm_generic_resume);
*/
int pm_generic_restore_noirq(struct device *dev)
{
return __pm_generic_resume(dev, PM_EVENT_RESTORE, true);
return __pm_generic_call(dev, PM_EVENT_RESTORE, true);
}
EXPORT_SYMBOL_GPL(pm_generic_restore_noirq);

Expand All @@ -278,7 +252,7 @@ EXPORT_SYMBOL_GPL(pm_generic_restore_noirq);
*/
int pm_generic_restore(struct device *dev)
{
return __pm_generic_resume(dev, PM_EVENT_RESTORE, false);
return __pm_generic_call(dev, PM_EVENT_RESTORE, false);
}
EXPORT_SYMBOL_GPL(pm_generic_restore);

Expand Down

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