21 static int do_scsi_suspend(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_suspend()  argument
23 	return pm && pm->suspend ? pm->suspend(dev) : 0;  in do_scsi_suspend()
26 static int do_scsi_freeze(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_freeze()  argument
28 	return pm && pm->freeze ? pm->freeze(dev) : 0;  in do_scsi_freeze()
31 static int do_scsi_poweroff(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_poweroff()  argument
33 	return pm && pm->poweroff ? pm->poweroff(dev) : 0;  in do_scsi_poweroff()
36 static int do_scsi_resume(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_resume()  argument
38 	return pm && pm->resume ? pm->resume(dev) : 0;  in do_scsi_resume()
41 static int do_scsi_thaw(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_thaw()  argument
43 	return pm && pm->thaw ? pm->thaw(dev) : 0;  in do_scsi_thaw()
46 static int do_scsi_restore(struct device *dev, const struct dev_pm_ops *pm)  in do_scsi_restore()  argument
48 	return pm && pm->restore ? pm->restore(dev) : 0;  in do_scsi_restore()
51 static int scsi_dev_type_suspend(struct device *dev,  in scsi_dev_type_suspend()  argument
54 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in scsi_dev_type_suspend()
60 	err = scsi_device_quiesce(to_scsi_device(dev));  in scsi_dev_type_suspend()
62 		err = cb(dev, pm);  in scsi_dev_type_suspend()
64 			scsi_device_resume(to_scsi_device(dev));  in scsi_dev_type_suspend()
66 	dev_dbg(dev, "scsi suspend: %d\n", err);  in scsi_dev_type_suspend()
70 static int scsi_dev_type_resume(struct device *dev,  in scsi_dev_type_resume()  argument
73 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in scsi_dev_type_resume()
76 	err = cb(dev, pm);  in scsi_dev_type_resume()
77 	scsi_device_resume(to_scsi_device(dev));  in scsi_dev_type_resume()
78 	dev_dbg(dev, "scsi resume: %d\n", err);  in scsi_dev_type_resume()
81 		pm_runtime_disable(dev);  in scsi_dev_type_resume()
82 		pm_runtime_set_active(dev);  in scsi_dev_type_resume()
83 		pm_runtime_enable(dev);  in scsi_dev_type_resume()
90 scsi_bus_suspend_common(struct device *dev,  in scsi_bus_suspend_common()  argument
95 	if (scsi_is_sdev_device(dev)) {  in scsi_bus_suspend_common()
102 		if (pm_runtime_suspended(dev))  in scsi_bus_suspend_common()
105 		err = scsi_dev_type_suspend(dev, cb);  in scsi_bus_suspend_common()
111 static void async_sdev_resume(void *dev, async_cookie_t cookie)  in async_sdev_resume()  argument
113 	scsi_dev_type_resume(dev, do_scsi_resume);  in async_sdev_resume()
116 static void async_sdev_thaw(void *dev, async_cookie_t cookie)  in async_sdev_thaw()  argument
118 	scsi_dev_type_resume(dev, do_scsi_thaw);  in async_sdev_thaw()
121 static void async_sdev_restore(void *dev, async_cookie_t cookie)  in async_sdev_restore()  argument
123 	scsi_dev_type_resume(dev, do_scsi_restore);  in async_sdev_restore()
126 static int scsi_bus_resume_common(struct device *dev,  in scsi_bus_resume_common()  argument
131 	if (!scsi_is_sdev_device(dev))  in scsi_bus_resume_common()
143 		async_schedule_domain(fn, dev, &scsi_sd_pm_domain);  in scsi_bus_resume_common()
154 		pm_runtime_disable(dev);  in scsi_bus_resume_common()
155 		pm_runtime_set_active(dev);  in scsi_bus_resume_common()
156 		pm_runtime_enable(dev);  in scsi_bus_resume_common()
161 static int scsi_bus_prepare(struct device *dev)  in scsi_bus_prepare()  argument
163 	if (scsi_is_sdev_device(dev)) {  in scsi_bus_prepare()
167 	} else if (scsi_is_host_device(dev)) {  in scsi_bus_prepare()
174 static int scsi_bus_suspend(struct device *dev)  in scsi_bus_suspend()  argument
176 	return scsi_bus_suspend_common(dev, do_scsi_suspend);  in scsi_bus_suspend()
179 static int scsi_bus_resume(struct device *dev)  in scsi_bus_resume()  argument
181 	return scsi_bus_resume_common(dev, do_scsi_resume);  in scsi_bus_resume()
184 static int scsi_bus_freeze(struct device *dev)  in scsi_bus_freeze()  argument
186 	return scsi_bus_suspend_common(dev, do_scsi_freeze);  in scsi_bus_freeze()
189 static int scsi_bus_thaw(struct device *dev)  in scsi_bus_thaw()  argument
191 	return scsi_bus_resume_common(dev, do_scsi_thaw);  in scsi_bus_thaw()
194 static int scsi_bus_poweroff(struct device *dev)  in scsi_bus_poweroff()  argument
196 	return scsi_bus_suspend_common(dev, do_scsi_poweroff);  in scsi_bus_poweroff()
199 static int scsi_bus_restore(struct device *dev)  in scsi_bus_restore()  argument
201 	return scsi_bus_resume_common(dev, do_scsi_restore);  in scsi_bus_restore()
216 static int sdev_runtime_suspend(struct device *dev)  in sdev_runtime_suspend()  argument
218 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in sdev_runtime_suspend()
219 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_runtime_suspend()
226 		err = pm->runtime_suspend(dev);  in sdev_runtime_suspend()
232 static int scsi_runtime_suspend(struct device *dev)  in scsi_runtime_suspend()  argument
236 	dev_dbg(dev, "scsi_runtime_suspend\n");  in scsi_runtime_suspend()
237 	if (scsi_is_sdev_device(dev))  in scsi_runtime_suspend()
238 		err = sdev_runtime_suspend(dev);  in scsi_runtime_suspend()
245 static int sdev_runtime_resume(struct device *dev)  in sdev_runtime_resume()  argument
247 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_runtime_resume()
248 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;  in sdev_runtime_resume()
253 		err = pm->runtime_resume(dev);  in sdev_runtime_resume()
259 static int scsi_runtime_resume(struct device *dev)  in scsi_runtime_resume()  argument
263 	dev_dbg(dev, "scsi_runtime_resume\n");  in scsi_runtime_resume()
264 	if (scsi_is_sdev_device(dev))  in scsi_runtime_resume()
265 		err = sdev_runtime_resume(dev);  in scsi_runtime_resume()
272 static int scsi_runtime_idle(struct device *dev)  in scsi_runtime_idle()  argument
274 	dev_dbg(dev, "scsi_runtime_idle\n");  in scsi_runtime_idle()
278 	if (scsi_is_sdev_device(dev)) {  in scsi_runtime_idle()
279 		pm_runtime_mark_last_busy(dev);  in scsi_runtime_idle()
280 		pm_runtime_autosuspend(dev);  in scsi_runtime_idle()
308 	pm_runtime_get_sync(&starget->dev);  in scsi_autopm_get_target()
313 	pm_runtime_put_sync(&starget->dev);  in scsi_autopm_put_target()