pctl->pctl_dev = pinctrl_register(pctrl_desc,
&pdev->dev, pctl);
- if (!pctl->pctl_dev) {
+ if (IS_ERR(pctl->pctl_dev)) {
dev_err(&pdev->dev, "couldn't register pinctrl driver\n");
- return -EINVAL;
+ return PTR_ERR(pctl->pctl_dev);
}
pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL);