static void rmem_swiotlb_device_release(struct reserved_mem *rmem,
					struct device *dev)
{
	dev->dma_io_tlb_mem = &io_tlb_default_mem;
}
static void rmem_swiotlb_device_release(struct reserved_mem *rmem,
					struct device *dev)
{
	dev->dma_io_tlb_mem = &io_tlb_default_mem;
}