diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/base/power/generic_ops.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/base/power/generic_ops.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/ANDROID_3.4.5/drivers/base/power/generic_ops.c b/ANDROID_3.4.5/drivers/base/power/generic_ops.c deleted file mode 100644 index d03d290f..00000000 --- a/ANDROID_3.4.5/drivers/base/power/generic_ops.c +++ /dev/null @@ -1,329 +0,0 @@ -/* - * drivers/base/power/generic_ops.c - Generic PM callbacks for subsystems - * - * Copyright (c) 2010 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc. - * - * This file is released under the GPLv2. - */ - -#include <linux/pm.h> -#include <linux/pm_runtime.h> -#include <linux/export.h> - -#ifdef CONFIG_PM_RUNTIME -/** - * pm_generic_runtime_idle - Generic runtime idle callback for subsystems. - * @dev: Device to handle. - * - * If PM operations are defined for the @dev's driver and they include - * ->runtime_idle(), execute it and return its error code, if nonzero. - * Otherwise, execute pm_runtime_suspend() for the device and return 0. - */ -int pm_generic_runtime_idle(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm && pm->runtime_idle) { - int ret = pm->runtime_idle(dev); - if (ret) - return ret; - } - - pm_runtime_suspend(dev); - return 0; -} -EXPORT_SYMBOL_GPL(pm_generic_runtime_idle); - -/** - * pm_generic_runtime_suspend - Generic runtime suspend callback for subsystems. - * @dev: Device to suspend. - * - * If PM operations are defined for the @dev's driver and they include - * ->runtime_suspend(), execute it and return its error code. Otherwise, - * return 0. - */ -int pm_generic_runtime_suspend(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - int ret; - - ret = pm && pm->runtime_suspend ? pm->runtime_suspend(dev) : 0; - - return ret; -} -EXPORT_SYMBOL_GPL(pm_generic_runtime_suspend); - -/** - * pm_generic_runtime_resume - Generic runtime resume callback for subsystems. - * @dev: Device to resume. - * - * If PM operations are defined for the @dev's driver and they include - * ->runtime_resume(), execute it and return its error code. Otherwise, - * return 0. - */ -int pm_generic_runtime_resume(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - int ret; - - ret = pm && pm->runtime_resume ? pm->runtime_resume(dev) : 0; - - return ret; -} -EXPORT_SYMBOL_GPL(pm_generic_runtime_resume); -#endif /* CONFIG_PM_RUNTIME */ - -#ifdef CONFIG_PM_SLEEP -/** - * pm_generic_prepare - Generic routine preparing a device for power transition. - * @dev: Device to prepare. - * - * Prepare a device for a system-wide power transition. - */ -int pm_generic_prepare(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (drv && drv->pm && drv->pm->prepare) - ret = drv->pm->prepare(dev); - - return ret; -} - -/** - * pm_generic_suspend_noirq - Generic suspend_noirq callback for subsystems. - * @dev: Device to suspend. - */ -int pm_generic_suspend_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->suspend_noirq ? pm->suspend_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq); - -/** - * pm_generic_suspend_late - Generic suspend_late callback for subsystems. - * @dev: Device to suspend. - */ -int pm_generic_suspend_late(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->suspend_late ? pm->suspend_late(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_suspend_late); - -/** - * pm_generic_suspend - Generic suspend callback for subsystems. - * @dev: Device to suspend. - */ -int pm_generic_suspend(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->suspend ? pm->suspend(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_suspend); - -/** - * pm_generic_freeze_noirq - Generic freeze_noirq callback for subsystems. - * @dev: Device to freeze. - */ -int pm_generic_freeze_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->freeze_noirq ? pm->freeze_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_freeze_noirq); - -/** - * pm_generic_freeze_late - Generic freeze_late callback for subsystems. - * @dev: Device to freeze. - */ -int pm_generic_freeze_late(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->freeze_late ? pm->freeze_late(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_freeze_late); - -/** - * pm_generic_freeze - Generic freeze callback for subsystems. - * @dev: Device to freeze. - */ -int pm_generic_freeze(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->freeze ? pm->freeze(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_freeze); - -/** - * pm_generic_poweroff_noirq - Generic poweroff_noirq callback for subsystems. - * @dev: Device to handle. - */ -int pm_generic_poweroff_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->poweroff_noirq ? pm->poweroff_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_poweroff_noirq); - -/** - * pm_generic_poweroff_late - Generic poweroff_late callback for subsystems. - * @dev: Device to handle. - */ -int pm_generic_poweroff_late(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->poweroff_late ? pm->poweroff_late(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_poweroff_late); - -/** - * pm_generic_poweroff - Generic poweroff callback for subsystems. - * @dev: Device to handle. - */ -int pm_generic_poweroff(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->poweroff ? pm->poweroff(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_poweroff); - -/** - * pm_generic_thaw_noirq - Generic thaw_noirq callback for subsystems. - * @dev: Device to thaw. - */ -int pm_generic_thaw_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->thaw_noirq ? pm->thaw_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_thaw_noirq); - -/** - * pm_generic_thaw_early - Generic thaw_early callback for subsystems. - * @dev: Device to thaw. - */ -int pm_generic_thaw_early(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->thaw_early ? pm->thaw_early(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_thaw_early); - -/** - * pm_generic_thaw - Generic thaw callback for subsystems. - * @dev: Device to thaw. - */ -int pm_generic_thaw(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->thaw ? pm->thaw(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_thaw); - -/** - * pm_generic_resume_noirq - Generic resume_noirq callback for subsystems. - * @dev: Device to resume. - */ -int pm_generic_resume_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->resume_noirq ? pm->resume_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_resume_noirq); - -/** - * pm_generic_resume_early - Generic resume_early callback for subsystems. - * @dev: Device to resume. - */ -int pm_generic_resume_early(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->resume_early ? pm->resume_early(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_resume_early); - -/** - * pm_generic_resume - Generic resume callback for subsystems. - * @dev: Device to resume. - */ -int pm_generic_resume(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->resume ? pm->resume(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_resume); - -/** - * pm_generic_restore_noirq - Generic restore_noirq callback for subsystems. - * @dev: Device to restore. - */ -int pm_generic_restore_noirq(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->restore_noirq ? pm->restore_noirq(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_restore_noirq); - -/** - * pm_generic_restore_early - Generic restore_early callback for subsystems. - * @dev: Device to resume. - */ -int pm_generic_restore_early(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->restore_early ? pm->restore_early(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_restore_early); - -/** - * pm_generic_restore - Generic restore callback for subsystems. - * @dev: Device to restore. - */ -int pm_generic_restore(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - return pm && pm->restore ? pm->restore(dev) : 0; -} -EXPORT_SYMBOL_GPL(pm_generic_restore); - -/** - * pm_generic_complete - Generic routine competing a device power transition. - * @dev: Device to handle. - * - * Complete a device power transition during a system-wide power transition. - */ -void pm_generic_complete(struct device *dev) -{ - struct device_driver *drv = dev->driver; - - if (drv && drv->pm && drv->pm->complete) - drv->pm->complete(dev); - - /* - * Let runtime PM try to suspend devices that haven't been in use before - * going into the system-wide sleep state we're resuming from. - */ - pm_runtime_idle(dev); -} -#endif /* CONFIG_PM_SLEEP */ |