iommu hack for DCP

This is not safe but it should work...

Signed-off-by: Asahi Lina <[email protected]>

Author: hoshinolina

drivers/iommu/dma-iommu.c

@@ -1613,9 +1613,6 @@ static int iommu_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
 	struct page *page;
 	int ret;
 
-	if (iovad->granule > PAGE_SIZE)
-		return -ENXIO;
-
 	if (is_vmalloc_addr(cpu_addr)) {
 		struct page **pages = dma_common_find_pages(cpu_addr);