Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\irq.h Create Date:2022-07-28 07:32:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:irq_free_desc

Proto:static inline void irq_free_desc(unsigned int irq)

Type:void

Parameter:

TypeParameterName
unsigned intirq
916  irq_free_descs(irq, 1)
Caller
NameDescribe
irq_create_direct_mappingq_create_direct_mapping() - Allocate an irq for direct mapping*@domain: domain to allocate the irq for or NULL for default domain* This routine is used for irq controllers which can choose the hardware* interrupt numbers they generate
irq_create_mappingq_create_mapping() - Map a hardware interrupt into linux irq space*@domain: domain owning this hardware interrupt or NULL for default domain*@hwirq: hardware irq number in that domain space* Only one mapping per hardware interrupt is permitted
irq_dispose_mappingq_dispose_mapping() - Unmap an interrupt*@virq: linux irq number of the interrupt to unmap