__devm_release_region
__devm_release_region(dev, &ioport_resource, (start), (n))
__devm_release_region(dev, &iomem_resource, (start), (n))
extern void __devm_release_region(struct device *dev, struct resource *parent,
EXPORT_SYMBOL(__devm_release_region);
__devm_release_region(dev, parent, start, n);