irq_desc_get_chip

函数名称：irq_desc_get_chip

函数原型：static inline struct irq_chip *irq_desc_get_chip(struct irq_desc *desc)

返回类型：struct irq_chip

参数：

类型	参数	名称
struct irq_desc *	desc

137

返回:中断控制器信息

**调用者**
名称	描述
set_irq_wake_real
handle_fasteoi_nmi	handle_fasteoi_nmi - irq handler for NMI interrupt lines@desc: the interrupt description structure for this irq A simple NMI-safe handler, considering the restrictions* from request_nmi.* Only a single callback will be issued to the chip: an ->eoi()
handle_percpu_irq	handle_percpu_irq - Per CPU local irq handler@desc: the interrupt description structure for this irq Per CPU interrupts on SMP machines without locking requirements
handle_percpu_devid_irq	handle_percpu_devid_irq - Per CPU local irq handler with per cpu dev ids@desc: the interrupt description structure for this irq Per CPU interrupts on SMP machines without locking requirements
handle_percpu_devid_fasteoi_nmi	handle_percpu_devid_fasteoi_nmi - Per CPU local NMI handler with per cpu* dev ids@desc: the interrupt description structure for this irq Similar to handle_fasteoi_nmi, but handling the dev_id cookie* as a percpu pointer.
suspend_device_irq

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