函数逻辑报告

函数名称：q_domain_add_legacy() - Allocate and register a legacy revmap irq_domain.*@of_node: pointer to interrupt controller's device tree node.*@size: total number of irqs in legacy mapping*@first_irq: first number of irq block assigned to the domain

函数原型：struct irq_domain *irq_domain_add_legacy(struct device_node *of_node, unsigned int size, unsigned int first_irq, irq_hw_number_t first_hwirq, const struct irq_domain_ops *ops, void *host_data)

返回类型：struct irq_domain

参数：