Function dtb_node_irq_get_byname

components/legacy/fdt/src/dtb_base.c:527–539

* dtb_node_irq_get_byname - Decode a node's IRQ and return it as a Linux IRQ number * @dev: pointer to device tree node * @name: IRQ name * * Returns Linux IRQ number on success, or 0 on the IRQ mapping failure, or * -EPROBE_DEFER if the IRQ domain is not yet created, or error code in case * of any other failure. */

 * of any other failure.
 */
int dtb_node_irq_get_byname(struct dtb_node *dev, const char *name)
{
    int index;

    if (!name)
        return -EINVAL;

    index = dtb_node_stringlist_search(dev, "interrupt-names", name);
    if (index < 0)
        return index;

    return dtb_node_irq_get(dev, index);
}

/**
 * dtb_node_irq_count - Count the number of IRQs a node uses