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| author | EunBong Song <eunb.song@samsung.com> | 2013-08-05 17:30:47 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-08-09 11:28:42 -0400 |
| commit | 4d86ec7a8a3f9c135fdc34d7aed2a9467e2e6ff9 (patch) | |
| tree | dc3ef06a9a68b8ff2f70c10327528798ff9a4b78 /lib/swiotlb.c | |
| parent | cd9151e26d31048b2b5e00fd02e110e07d2200c9 (diff) | |
| download | lwn-4d86ec7a8a3f9c135fdc34d7aed2a9467e2e6ff9.tar.gz lwn-4d86ec7a8a3f9c135fdc34d7aed2a9467e2e6ff9.zip | |
swiotlb: replace dma_length with sg_dma_len() macro
This patch replace dma_length in "lib/swiotlb.c" to sg_dma_len() macro,
because the build error can occur if CONFIG_NEED_SG_DMA_LENGTH is not
set, and CONFIG_SWIOTLB is set.
Singed-off-by: EunBong Song <eunb.song@samsung.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'lib/swiotlb.c')
| -rw-r--r-- | lib/swiotlb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index d23762e6652c..4e8686c7e5a4 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -870,13 +870,13 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, swiotlb_full(hwdev, sg->length, dir, 0); swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir, attrs); - sgl[0].dma_length = 0; + sg_dma_len(sgl) = 0; return 0; } sg->dma_address = phys_to_dma(hwdev, map); } else sg->dma_address = dev_addr; - sg->dma_length = sg->length; + sg_dma_len(sg) = sg->length; } return nelems; } @@ -904,7 +904,7 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, BUG_ON(dir == DMA_NONE); for_each_sg(sgl, sg, nelems, i) - unmap_single(hwdev, sg->dma_address, sg->dma_length, dir); + unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir); } EXPORT_SYMBOL(swiotlb_unmap_sg_attrs); @@ -934,7 +934,7 @@ swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sgl, for_each_sg(sgl, sg, nelems, i) swiotlb_sync_single(hwdev, sg->dma_address, - sg->dma_length, dir, target); + sg_dma_len(sg), dir, target); } void |