函数名称：__devm_irq_alloc_descs - Allocate and initialize a range of irq descriptors* for a managed device*@dev: Device to allocate the descriptors for*@irq: Allocate for specific irq number if irq >= 0*@from: Start the search from this irq number*@cnt: Number of
函数原型：int __devm_irq_alloc_descs(struct device *dev, int irq, unsigned int from, unsigned int cnt, int node, struct module *owner, const struct irq_affinity_desc *affinity)
返回类型：int
参数：
|
类型 | 参数 | 名称 |
|---|
| struct device * | dev | |
| int | irq | |
| unsigned int | from | |
| unsigned int | cnt | |
| int | node | |
| struct module * | owner | |
| const struct irq_affinity_desc * | affinity | |