[PATCH 21/31] blackfin: handle page-less SG entries
From: Christoph Hellwig <hch@lst.de>
Date: 2015-08-12 07:09:51
Also in:
linux-arch, linux-media, linux-mips, linux-s390, linuxppc-dev, lkml, sparclinux
Subsystem:
the rest · Maintainer:
Linus Torvalds
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