Lines Matching +full:single +full:- +full:phase

1 // SPDX-License-Identifier: GPL-2.0
3  * drivers/base/power/common.c - Common device power management code.
18  * dev_pm_get_subsys_data - Create or refcount power.subsys_data for device.
31 		return -ENOMEM;  in dev_pm_get_subsys_data()
33 	spin_lock_irq(&dev->power.lock);  in dev_pm_get_subsys_data()
35 	if (dev->power.subsys_data) {  in dev_pm_get_subsys_data()
36 		dev->power.subsys_data->refcount++;  in dev_pm_get_subsys_data()
38 		spin_lock_init(&psd->lock);  in dev_pm_get_subsys_data()
39 		psd->refcount = 1;  in dev_pm_get_subsys_data()
40 		dev->power.subsys_data = psd;  in dev_pm_get_subsys_data()
45 	spin_unlock_irq(&dev->power.lock);  in dev_pm_get_subsys_data()
55  * dev_pm_put_subsys_data - Drop reference to power.subsys_data.
65 	spin_lock_irq(&dev->power.lock);  in dev_pm_put_subsys_data()
71 	if (--psd->refcount == 0)  in dev_pm_put_subsys_data()
72 		dev->power.subsys_data = NULL;  in dev_pm_put_subsys_data()
77 	spin_unlock_irq(&dev->power.lock);  in dev_pm_put_subsys_data()
83  * dev_pm_domain_attach - Attach a device to its PM domain.
87  * The @dev may only be attached to a single PM domain. By iterating through
89  * As attachment succeeds, the ->detach() callback in the struct dev_pm_domain
93  * the probe phase. Especially for those that holds devices which requires
106 	if (dev->pm_domain)  in dev_pm_domain_attach()
118  * dev_pm_domain_attach_by_id - Associate a device with one of its PM domains.
122  * As @dev may only be attached to a single PM domain, the backend PM domain
124  * the ->detach() callback in the struct dev_pm_domain are assigned by the
128  * This function should typically be invoked by a driver during the probe phase,
130  * driver may benefit from using the received device, to configure device-links
131  * towards its original device. Depending on the use-case and if needed, the
141  * dev_pm_domain_detach() on it, typically during the remove phase.
146 	if (dev->pm_domain)  in dev_pm_domain_attach_by_id()
147 		return ERR_PTR(-EEXIST);  in dev_pm_domain_attach_by_id()
154  * dev_pm_domain_attach_by_name - Associate a device with one of its PM domains.
163 	if (dev->pm_domain)  in dev_pm_domain_attach_by_name()
164 		return ERR_PTR(-EEXIST);  in dev_pm_domain_attach_by_name()
171  * dev_pm_domain_detach - Detach a device from its PM domain.
178  * remove phase, either from subsystem level code or from drivers.
185 	if (dev->pm_domain && dev->pm_domain->detach)  in dev_pm_domain_detach()
186 		dev->pm_domain->detach(dev, power_off);  in dev_pm_domain_detach()
191  * dev_pm_domain_start - Start the device through its PM domain.
203 	if (dev->pm_domain && dev->pm_domain->start)  in dev_pm_domain_start()
204 		return dev->pm_domain->start(dev);  in dev_pm_domain_start()
211  * dev_pm_domain_set - Set PM domain of a device.
222 	if (dev->pm_domain == pd)  in dev_pm_domain_set()
227 	dev->pm_domain = pd;  in dev_pm_domain_set()