Function report |
Source Code:kernel\irq\irqdesc.c |
Create Date:2022-07-28 10:08:39 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__irq_get_desc_lock
Proto:struct irq_desc *__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus, unsigned int check)
Type:struct irq_desc
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | irq | |
unsigned long * | flags | |
bool | bus | |
unsigned int | check |
873 | desc = Interrupt to descriptor |
875 | If desc Then |
876 | If check & _IRQ_DESC_CHECK Then |
877 | If check & _IRQ_DESC_PERCPU && Not irq_settings_is_per_cpu_devid(desc) Then Return NULL |
881 | If Not (check & _IRQ_DESC_PERCPU) && irq_settings_is_per_cpu_devid(desc) Then Return NULL |
888 | raw_spin_lock_irqsave( & lock, * flags) |
890 | Return desc |
Name | Describe |
---|---|
irq_get_desc_buslock | |
irq_get_desc_lock |
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