sg list elements could cover more than one page of data. Therefore
using plat_map_dma_mem_page() doesn't work for platforms, which have
IOMMU functionality hidden behind plat_map_dma_XXX functions.
Fixes: e36863a550da ("MIPS: HIGHMEM DMA on noncoherent MIPS32 processors")
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@xxxxxxx>
---
arch/mips/mm/dma-default.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index f9fef0028ca2..2718185a3d38 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -288,8 +288,8 @@ static int mips_dma_map_sg(struct device *dev, struct scatterlist *sglist,
#ifdef CONFIG_NEED_SG_DMA_LENGTH
sg->dma_length = sg->length;
#endif
- sg->dma_address = plat_map_dma_mem_page(dev, sg_page(sg)) +
- sg->offset;
+ sg->dma_address = plat_map_dma_mem(dev, sg_virt(sg),
+ sg->length);
}
return nents;
--
2.13.7
