22 static int do_scsi_suspend(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_suspend()  argument
24 	return pm && pm->suspend ? pm->suspend(dev) : 0;  in do_scsi_suspend()
27 static int do_scsi_freeze(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_freeze()  argument
29 	return pm && pm->freeze ? pm->freeze(dev) : 0;  in do_scsi_freeze()
32 static int do_scsi_poweroff(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_poweroff()  argument
34 	return pm && pm->poweroff ? pm->poweroff(dev) : 0;  in do_scsi_poweroff()
37 static int do_scsi_resume(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_resume()  argument
39 	return pm && pm->resume ? pm->resume(dev) : 0;  in do_scsi_resume()
42 static int do_scsi_thaw(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_thaw()  argument
44 	return pm && pm->thaw ? pm->thaw(dev) : 0;  in do_scsi_thaw()
47 static int do_scsi_restore(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_restore()  argument
49 	return pm && pm->restore ? pm->restore(dev) : 0;  in do_scsi_restore()
52 static int scsi_dev_type_suspend(struct device *dev,  in scsi_dev_type_suspend()  argument
55 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in scsi_dev_type_suspend()
58 	err = scsi_device_quiesce(to_scsi_device(dev));  in scsi_dev_type_suspend()
60 		err = cb(dev, pm);  in scsi_dev_type_suspend()
62 			scsi_device_resume(to_scsi_device(dev));  in scsi_dev_type_suspend()
64 	dev_dbg(dev, "scsi suspend: %d\n", err);  in scsi_dev_type_suspend()
69 scsi_bus_suspend_common(struct device *dev,  in scsi_bus_suspend_common()  argument
72 	if (!scsi_is_sdev_device(dev))  in scsi_bus_suspend_common()
75 	return scsi_dev_type_suspend(dev, cb);  in scsi_bus_suspend_common()
78 static int scsi_bus_resume_common(struct device *dev,  in scsi_bus_resume_common()  argument
81 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in scsi_bus_resume_common()
84 	if (!scsi_is_sdev_device(dev))  in scsi_bus_resume_common()
87 	err = cb(dev, pm);  in scsi_bus_resume_common()
88 	scsi_device_resume(to_scsi_device(dev));  in scsi_bus_resume_common()
89 	dev_dbg(dev, "scsi resume: %d\n", err);  in scsi_bus_resume_common()
94 static int scsi_bus_prepare(struct device *dev)  in scsi_bus_prepare()  argument
96 	if (scsi_is_host_device(dev)) {  in scsi_bus_prepare()
103 static int scsi_bus_suspend(struct device *dev)  in scsi_bus_suspend()  argument
105 	return scsi_bus_suspend_common(dev, do_scsi_suspend);  in scsi_bus_suspend()
108 static int scsi_bus_resume(struct device *dev)  in scsi_bus_resume()  argument
110 	return scsi_bus_resume_common(dev, do_scsi_resume);  in scsi_bus_resume()
113 static int scsi_bus_freeze(struct device *dev)  in scsi_bus_freeze()  argument
115 	return scsi_bus_suspend_common(dev, do_scsi_freeze);  in scsi_bus_freeze()
118 static int scsi_bus_thaw(struct device *dev)  in scsi_bus_thaw()  argument
120 	return scsi_bus_resume_common(dev, do_scsi_thaw);  in scsi_bus_thaw()
123 static int scsi_bus_poweroff(struct device *dev)  in scsi_bus_poweroff()  argument
125 	return scsi_bus_suspend_common(dev, do_scsi_poweroff);  in scsi_bus_poweroff()
128 static int scsi_bus_restore(struct device *dev)  in scsi_bus_restore()  argument
130 	return scsi_bus_resume_common(dev, do_scsi_restore);  in scsi_bus_restore()
145 static int sdev_runtime_suspend(struct device *dev)  in sdev_runtime_suspend()  argument
147 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in sdev_runtime_suspend()
148 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_runtime_suspend()
155 		err = pm->runtime_suspend(dev);  in sdev_runtime_suspend()
161 static int scsi_runtime_suspend(struct device *dev)  in scsi_runtime_suspend()  argument
165 	dev_dbg(dev, "scsi_runtime_suspend\n");  in scsi_runtime_suspend()
166 	if (scsi_is_sdev_device(dev))  in scsi_runtime_suspend()
167 		err = sdev_runtime_suspend(dev);  in scsi_runtime_suspend()
174 static int sdev_runtime_resume(struct device *dev)  in sdev_runtime_resume()  argument
176 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_runtime_resume()
177 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in sdev_runtime_resume()
182 		err = pm->runtime_resume(dev);  in sdev_runtime_resume()
188 static int scsi_runtime_resume(struct device *dev)  in scsi_runtime_resume()  argument
192 	dev_dbg(dev, "scsi_runtime_resume\n");  in scsi_runtime_resume()
193 	if (scsi_is_sdev_device(dev))  in scsi_runtime_resume()
194 		err = sdev_runtime_resume(dev);  in scsi_runtime_resume()
201 static int scsi_runtime_idle(struct device *dev)  in scsi_runtime_idle()  argument
203 	dev_dbg(dev, "scsi_runtime_idle\n");  in scsi_runtime_idle()
207 	if (scsi_is_sdev_device(dev)) {  in scsi_runtime_idle()
208 		pm_runtime_mark_last_busy(dev);  in scsi_runtime_idle()
209 		pm_runtime_autosuspend(dev);  in scsi_runtime_idle()
237 	pm_runtime_get_sync(&starget->dev);  in scsi_autopm_get_target()
242 	pm_runtime_put_sync(&starget->dev);  in scsi_autopm_put_target()