- priv = kzalloc(sizeof(struct i2c_au1550_data), GFP_KERNEL);
- if (!priv) {
- ret = -ENOMEM;
- goto out;
- }
-
- priv->ioarea = request_mem_region(r->start, resource_size(r),
- pdev->name);
- if (!priv->ioarea) {
- ret = -EBUSY;
- goto out_mem;
- }
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->psc_base = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(priv->psc_base))
+ return PTR_ERR(priv->psc_base);