struct i2c_pxa_platform_data *plat = dev_get_platdata(&dev->dev);
        enum pxa_i2c_types i2c_type;
        struct pxa_i2c *i2c;
-       struct resource *res = NULL;
+       struct resource *res;
        int ret, irq;
 
        i2c = devm_kzalloc(&dev->dev, sizeof(struct pxa_i2c), GFP_KERNEL);
        i2c->adap.dev.of_node = dev->dev.of_node;
 #endif
 
-       res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-       i2c->reg_base = devm_ioremap_resource(&dev->dev, res);
+       i2c->reg_base = devm_platform_get_and_ioremap_resource(dev, 0, &res);
        if (IS_ERR(i2c->reg_base))
                return PTR_ERR(i2c->reg_base);