函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\manage.c Create Date:2022-07-27 11:10:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：q_get_irqchip_state - returns the irqchip state of a interrupt

函数原型：int irq_get_irqchip_state(unsigned int irq, enum irqchip_irq_state which, bool *state)

返回类型：int

参数：

类型参数名称
unsigned intirq
enum irqchip_irq_statewhich
bool *state
2646  err等于负EINVAL
2648  desc等于irq_get_desc_buslock(irq, & flags, 0)
2649  如果非desc则返回:err
2652  data等于irq_desc_get_irq_data(desc)
2654  err等于__irq_get_irqchip_state(data, which, state)
2656  irq_put_desc_busunlock(desc, flags)
2657  返回:err