diff options
Diffstat (limited to 'drivers/base/power/generic_ops.c')
| -rw-r--r-- | drivers/base/power/generic_ops.c | 48 | 
1 files changed, 11 insertions, 37 deletions
diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c index 1b878b955c8..5a5b154bc1e 100644 --- a/drivers/base/power/generic_ops.c +++ b/drivers/base/power/generic_ops.c @@ -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; @@ -211,44 +217,12 @@ 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);  |