[PATCH 6/9] dmaengine:pl330: set segment_boundary_mask = 0cffffffff

2015-12-04 Thread Wang Hongcheng
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

Re: [PATCH 6/9] dmaengine:pl330: set segment_boundary_mask = 0cffffffff

2015-12-04 Thread Robin Murphy
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