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PM / Sleep: Merge internal functions in generic_ops.c

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After the change that removed the code related to runtime PM
from __pm_generic_call() and __pm_generic_resume() these two
functions need not be separate any more, so merge them.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2011-12-15 20:59:30 +01:00
parent 8ca6d9bcc8
commit 1eac8111e0
1 changed files with 11 additions and 37 deletions
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48
drivers/base/power/generic_ops.c
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@ -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.
*/
@ -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;
@ -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);
@ -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);
@ -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);
@ -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);