16 bool irq_pm_check_wakeup(struct irq_desc *desc)  in irq_pm_check_wakeup()  argument
18 	if (irqd_is_wakeup_armed(&desc->irq_data)) {  in irq_pm_check_wakeup()
19 		irqd_clear(&desc->irq_data, IRQD_WAKEUP_ARMED);  in irq_pm_check_wakeup()
20 		desc->istate |= IRQS_SUSPENDED | IRQS_PENDING;  in irq_pm_check_wakeup()
21 		desc->depth++;  in irq_pm_check_wakeup()
22 		irq_disable(desc);  in irq_pm_check_wakeup()
23 		pm_system_irq_wakeup(irq_desc_get_irq(desc));  in irq_pm_check_wakeup()
33 void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action)  in irq_pm_install_action()  argument
35 	desc->nr_actions++;  in irq_pm_install_action()
38 		desc->force_resume_depth++;  in irq_pm_install_action()
40 	WARN_ON_ONCE(desc->force_resume_depth &&  in irq_pm_install_action()
41 		     desc->force_resume_depth != desc->nr_actions);  in irq_pm_install_action()
44 		desc->no_suspend_depth++;  in irq_pm_install_action()
46 		desc->cond_suspend_depth++;  in irq_pm_install_action()
48 	WARN_ON_ONCE(desc->no_suspend_depth &&  in irq_pm_install_action()
49 		     (desc->no_suspend_depth +  in irq_pm_install_action()
50 			desc->cond_suspend_depth) != desc->nr_actions);  in irq_pm_install_action()
57 void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action)  in irq_pm_remove_action()  argument
59 	desc->nr_actions--;  in irq_pm_remove_action()
62 		desc->force_resume_depth--;  in irq_pm_remove_action()
65 		desc->no_suspend_depth--;  in irq_pm_remove_action()
67 		desc->cond_suspend_depth--;  in irq_pm_remove_action()
70 static bool suspend_device_irq(struct irq_desc *desc)  in suspend_device_irq()  argument
72 	unsigned long chipflags = irq_desc_get_chip(desc)->flags;  in suspend_device_irq()
73 	struct irq_data *irqd = &desc->irq_data;  in suspend_device_irq()
75 	if (!desc->action || irq_desc_is_chained(desc) ||  in suspend_device_irq()
76 	    desc->no_suspend_depth)  in suspend_device_irq()
89 			__enable_irq(desc);  in suspend_device_irq()
101 	desc->istate |= IRQS_SUSPENDED;  in suspend_device_irq()
102 	__disable_irq(desc);  in suspend_device_irq()
111 		mask_irq(desc);  in suspend_device_irq()
133 	struct irq_desc *desc;  in suspend_device_irqs()  local
136 	for_each_irq_desc(irq, desc) {  in suspend_device_irqs()
140 		if (irq_settings_is_nested_thread(desc))  in suspend_device_irqs()
142 		raw_spin_lock_irqsave(&desc->lock, flags);  in suspend_device_irqs()
143 		sync = suspend_device_irq(desc);  in suspend_device_irqs()
144 		raw_spin_unlock_irqrestore(&desc->lock, flags);  in suspend_device_irqs()
151 static void resume_irq(struct irq_desc *desc)  in resume_irq()  argument
153 	struct irq_data *irqd = &desc->irq_data;  in resume_irq()
163 		__disable_irq(desc);  in resume_irq()
167 	if (desc->istate & IRQS_SUSPENDED)  in resume_irq()
171 	if (!desc->force_resume_depth)  in resume_irq()
175 	desc->depth++;  in resume_irq()
176 	irq_state_set_disabled(desc);  in resume_irq()
177 	irq_state_set_masked(desc);  in resume_irq()
179 	desc->istate &= ~IRQS_SUSPENDED;  in resume_irq()
180 	__enable_irq(desc);  in resume_irq()
185 	struct irq_desc *desc;  in resume_irqs()  local
188 	for_each_irq_desc(irq, desc) {  in resume_irqs()
190 		bool is_early = desc->action &&  in resume_irqs()
191 			desc->action->flags & IRQF_EARLY_RESUME;  in resume_irqs()
195 		if (irq_settings_is_nested_thread(desc))  in resume_irqs()
198 		raw_spin_lock_irqsave(&desc->lock, flags);  in resume_irqs()
199 		resume_irq(desc);  in resume_irqs()
200 		raw_spin_unlock_irqrestore(&desc->lock, flags);  in resume_irqs()
211 	struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL);  in rearm_wake_irq()  local
213 	if (!desc)  in rearm_wake_irq()
216 	if (!(desc->istate & IRQS_SUSPENDED) ||  in rearm_wake_irq()
217 	    !irqd_is_wakeup_set(&desc->irq_data))  in rearm_wake_irq()
220 	desc->istate &= ~IRQS_SUSPENDED;  in rearm_wake_irq()
221 	irqd_set(&desc->irq_data, IRQD_WAKEUP_ARMED);  in rearm_wake_irq()
222 	__enable_irq(desc);  in rearm_wake_irq()
225 	irq_put_desc_busunlock(desc, flags);  in rearm_wake_irq()