函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

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

函数原型：static void irq_domain_clear_mapping(struct irq_domain *domain, irq_hw_number_t hwirq)

返回类型：void

参数：

类型参数名称
struct irq_domain *domain
irq_hw_number_thwirq
480  如果hwirq小于revmap_size则
481  linear_revmap[hwirq]等于0
482  否则
483  mutex_lock( & revmap_tree_mutex)
484  删除radix树项目
485  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_domain_disassociate