swiotlb: use map_single instead of swiotlb_map_single in swiotlb_alloc_coherent
We always need swiotlb memory here so address_needs_mapping and
swiotlb_force testings are irrelevant. map_single should be used here
instead of swiotlb_map_single.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 3066ffe..2fb485d 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -483,12 +483,9 @@
* swiotlb_map_single(), which will grab memory from
* the lowest available address range.
*/
- dma_addr_t handle;
- handle = swiotlb_map_single(NULL, NULL, size, DMA_FROM_DEVICE);
- if (swiotlb_dma_mapping_error(hwdev, handle))
+ ret = map_single(hwdev, NULL, size, DMA_FROM_DEVICE);
+ if (!ret)
return NULL;
-
- ret = bus_to_virt(handle);
}
memset(ret, 0, size);