linux-imx

        pr_err("ls1x-irq: unable to get parent irq\n");

        err =  -ENODEV;

        goto out_iounmap;

    }

​

    /* Set up an IRQ domain */

    priv->domain = irq_domain_add_linear(node, 32, &irq_generic_chip_ops,

                         NULL);

    if (!priv->domain) {

        pr_err("ls1x-irq: cannot add IRQ domain\n");

        goto out_iounmap;

    }

​

    err = irq_alloc_domain_generic_chips(priv->domain, 32, 2,

        node->full_name, handle_level_irq,

        IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN, 0,

        IRQ_GC_INIT_MASK_CACHE);

    if (err) {

        pr_err("ls1x-irq: unable to register IRQ domain\n");

        goto out_free_domain;