コード例 #1
0
ファイル: gpio-xgene-sb.c プロジェクト: 020gzh/linux
static void xgene_gpio_sb_domain_free(struct irq_domain *domain,
		unsigned int virq,
		unsigned int nr_irqs)
{
	struct irq_data *d;
	unsigned int i;

	for (i = 0; i < nr_irqs; i++) {
		d = irq_domain_get_irq_data(domain, virq + i);
		irq_domain_reset_irq_data(d);
	}
}
コード例 #2
0
ファイル: irq-crossbar.c プロジェクト: AlexShiLucky/linux
/**
 * crossbar_domain_free - unmap/free a crossbar<->irq connection
 * @domain: domain of irq to unmap
 * @virq: virq number
 * @nr_irqs: number of irqs to free
 *
 * We do not maintain a use count of total number of map/unmap
 * calls for a particular irq to find out if a irq can be really
 * unmapped. This is because unmap is called during irq_dispose_mapping(irq),
 * after which irq is anyways unusable. So an explicit map has to be called
 * after that.
 */
static void crossbar_domain_free(struct irq_domain *domain, unsigned int virq,
				 unsigned int nr_irqs)
{
	int i;

	raw_spin_lock(&cb->lock);
	for (i = 0; i < nr_irqs; i++) {
		struct irq_data *d = irq_domain_get_irq_data(domain, virq + i);

		irq_domain_reset_irq_data(d);
		cb->irq_map[d->hwirq] = IRQ_FREE;
		cb->write(d->hwirq, cb->safe_map);
	}
	raw_spin_unlock(&cb->lock);
}