[PATCH 21/31] blackfin: handle page-less SG entries

Christoph Hellwig
2015-08-12T07:05:40Z

Switch from sg_virt to sg_phys as blackfin like all nommu architectures
has a 1:1 virtual to physical mapping.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/blackfin/kernel/dma-mapping.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c
index df437e5..e2c4d1a 100644
--- a/arch/blackfin/kernel/dma-mapping.c
+++ b/arch/blackfin/kernel/dma-mapping.c
@@ -120,7 +120,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg_list, int nents,
int i;

for_each_sg(sg_list, sg, nents, i) {
- sg->dma_address = (dma_addr_t) sg_virt(sg);
+ sg->dma_address = sg_phys(sg);
__dma_sync(sg_dma_address(sg), sg_dma_len(sg), direction);
}

@@ -135,7 +135,7 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg_list,
int i;

for_each_sg(sg_list, sg, nelems, i) {
- sg->dma_address = (dma_addr_t) sg_virt(sg);
+ sg->dma_address = sg_phys(sg);
__dma_sync(sg_dma_address(sg), sg_dma_len(sg), direction);
}
}
--
1.9.1