include/linux/irqdesc.h

1 /* SPDX-License-Identifier: GPL-2.0 */
21  * struct irq_desc - interrupt descriptor
24  * @handle_irq:		highlevel irq-events handler
28  * @depth:		disable-depth, for nested irq_disable() calls
29  * @wake_depth:		enable depth, for multiple irq_set_irq_wake() callers
30  * @tot_count:		stats field for non-percpu irqs
50  * @request_mutex:	mutex to protect request/free before locking desc->lock
63 	unsigned int		depth;		/* nested irq disables */  member
122 	return desc->kstat_irqs ? *per_cpu_ptr(desc->kstat_irqs, cpu) : 0;  in irq_desc_kstat_cpu()
127 	return container_of(data->common, struct irq_desc, irq_common_data);  in irq_data_to_desc()
132 	return desc->irq_data.irq;  in irq_desc_get_irq()
137 	return &desc->irq_data;  in irq_desc_get_irq_data()
142 	return desc->irq_data.chip;  in irq_desc_get_chip()
147 	return desc->irq_data.chip_data;  in irq_desc_get_chip_data()
152 	return desc->irq_common_data.handler_data;  in irq_desc_get_handler_data()
156  * Architectures call this to let the generic IRQ layer
161 	desc->handle_irq(desc);  in generic_handle_irq_desc()
171  * and handle the result interrupt number. Return -EINVAL if
182 	return desc && desc->action != NULL;  in irq_desc_has_action()
186  * irq_set_handler_locked - Set irq handler from a locked region
200 	desc->handle_irq = handler;  in irq_set_handler_locked()
204  * irq_set_chip_handler_name_locked - Set chip, handler and name from a locked region
222 	desc->handle_irq = handler;  in irq_set_chip_handler_name_locked()
223 	desc->name = name;  in irq_set_chip_handler_name_locked()
224 	data->chip = (struct irq_chip *)chip;  in irq_set_chip_handler_name_locked()