devm_arch_phys_wc_add
devm_arch_phys_wc_add(dev->dev, base, size);
devm_arch_phys_wc_add(dev->dev, res->start, resource_size(res));
devm_arch_phys_wc_add(&pdev->dev, base, size);
int devm_arch_phys_wc_add(struct device *dev, unsigned long base, unsigned long size);
EXPORT_SYMBOL(devm_arch_phys_wc_add);