Function report |
Source Code:kernel\irq\spurious.c |
Create Date:2022-07-28 10:10:37 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Recovery handler for misrouted interrupts.
Proto:static int try_one_irq(struct irq_desc *desc, bool force)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct irq_desc * | desc | |
bool | force |
66 | raw_spin_lock( & lock) |
72 | If irq_settings_is_per_cpu(desc) || irq_settings_is_nested_thread(desc) || irq_settings_is_polled(desc) Then Go to out |
81 | If irqd_irq_disabled( & irq_data) && Not force Then Go to out |
88 | action = IRQ action list |
89 | If Not action || Not (flags & allow sharing the irq among several devices) || flags & Flag to mark this interrupt as timer interrupt Then Go to out |
94 | If irqd_irq_inprogress( & irq_data) Then |
99 | istate |= IRQS_PENDING |
100 | Go to out |
104 | istate |= IRQS_POLL_INPROGRESS |
105 | Do |
106 | If handle_irq_event(desc) == IRQ_HANDLED Then ret = IRQ_HANDLED |
109 | action = IRQ action list |
110 | When istate & IRQS_PENDING && action cycle |
111 | istate &= ~IRQS_POLL_INPROGRESS |
112 | out : |
113 | raw_spin_unlock( & lock) |
114 | Return ret == IRQ_HANDLED |
Name | Describe |
---|---|
misrouted_irq | |
poll_spurious_irqs |
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