Because amd iommu and software iommu need this mask.For example,
if we use software iommu without this mask, we will
get 'Out of SW-IOMMU space' error, when calling swiotlb_map_page
function.
Signed-off-by: Wan Zongshun
Signed-off-by: Wang Hongcheng
---
drivers/dma/pl330.c | 4
1 file chan
On 04/12/15 03:24, Wang Hongcheng wrote:
Because amd iommu and software iommu need this mask.For example,
if we use software iommu without this mask, we will
get 'Out of SW-IOMMU space' error, when calling swiotlb_map_page
function.
The commit title doesn't match the code, but either way this p