static int pxa_gpio_probe_dt(struct platform_device *pdev)
{
- int ret, nr_gpios;
- struct device_node *prev, *next, *np = pdev->dev.of_node;
+ int ret = 0, nr_gpios;
+ struct device_node *np = pdev->dev.of_node;
const struct of_device_id *of_id =
of_match_device(pxa_gpio_dt_ids, &pdev->dev);
const struct pxa_gpio_id *gpio_id;
gpio_id = of_id->data;
gpio_type = gpio_id->type;
- next = of_get_next_child(np, NULL);
- prev = next;
- if (!next) {
- dev_err(&pdev->dev, "Failed to find child gpio node\n");
- ret = -EINVAL;
- goto err;
- }
- of_node_put(prev);
nr_gpios = gpio_id->gpio_nums;
pxa_last_gpio = nr_gpios - 1;
irq_base = irq_alloc_descs(-1, 0, nr_gpios, 0);
if (irq_base < 0) {
dev_err(&pdev->dev, "Failed to allocate IRQ numbers\n");
+ ret = irq_base;
goto err;
}
domain = irq_domain_add_legacy(np, nr_gpios, irq_base, 0,