C++ (Cpp) irq_to_desc_alloc_cpu примеры использования

Пример #1

static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
{
	struct irq_desc *desc;
	struct irq_2_iommu *irq_iommu;

	/*
	 * alloc irq desc if not allocated already.
	 */
	desc = irq_to_desc_alloc_cpu(irq, cpu);
	if (!desc) {
		printk(KERN_INFO "can not get irq_desc for %d\n", irq);
		return NULL;
	}

	irq_iommu = desc->irq_2_iommu;

	if (!irq_iommu)
		desc->irq_2_iommu = get_one_free_irq_2_iommu(cpu);

	return desc->irq_2_iommu;
}

Пример #2

Файл: boot.c Проект: Conap30/htc_kernel_desirec_bfs

void lguest_setup_irq(unsigned int irq)
{
	irq_to_desc_alloc_cpu(irq, 0);
	set_irq_chip_and_handler_name(irq, &lguest_irq_controller,
				      handle_level_irq, "level");
}