[PATCH 08/31] c6x: handle page-less SG entries

Christoph Hellwig
2015-08-12T07:05:27Z

Use sg_phys() instead of virt_to_phys(sg_virt(sg)) so that we don't
require a kernel virtual address.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/c6x/kernel/dma.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/c6x/kernel/dma.c b/arch/c6x/kernel/dma.c
index ab7b12d..79cae03 100644
--- a/arch/c6x/kernel/dma.c
+++ b/arch/c6x/kernel/dma.c
@@ -68,8 +68,7 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist,
int i;

for_each_sg(sglist, sg, nents, i)
- sg->dma_address = dma_map_single(dev, sg_virt(sg), sg->length,
- dir);
+ sg->dma_address = sg_phys(sg);

debug_dma_map_sg(dev, sglist, nents, nents, dir);

--
1.9.1