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

Message ID 1439363150-8661-22-git-send-email-hch@lst.de (mailing list archive)
State Not Applicable
Delegated to: Dan Williams
Headers show

Commit Message

Christoph Hellwig Aug. 12, 2015, 7:05 a.m. UTC 
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(-)
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Patch

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);
 	}
 }