if (ret < 0)
return ret;
- priv->io = devm_request_and_ioremap(dev, res);
- if (!priv->io) {
- dev_err(dev, "cannot ioremap\n");
- return -ENODEV;
- }
+ priv->io = devm_ioremap_resource(dev, res);
+ if (IS_ERR(priv->io))
+ return PTR_ERR(priv->io);
priv->irq = platform_get_irq(pdev, 0);
init_waitqueue_head(&priv->wait);