函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\irqdesc.c Create Date:2022-07-27 11:08:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：irq_mark_irq

函数原型：void irq_mark_irq(unsigned int irq)

返回类型：void

参数：

类型参数名称
unsigned intirq
619  mutex_lock( & sparse_irq_lock)
620  bitmap_set(allocated_irqs, irq, 1)
621  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
调用者
名称描述
irq_set_chipq_set_chip - set the irq chip for an irq*@irq: irq number*@chip: pointer to irq chip description structure