Don't unmap the memory for dma_sync*. This must have been typo, it cannot have been correct. Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx> --- arch/mips/mm/dma-default.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 891312f..5b98d0e 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -324,7 +324,6 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, if (cpu_is_noncoherent_r10000(dev)) __dma_sync((unsigned long)page_address(sg_page(sg)), sg->length, direction); - plat_unmap_dma_mem(sg->dma_address); } } @@ -342,7 +341,6 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nele if (!plat_device_is_coherent(dev)) __dma_sync((unsigned long)page_address(sg_page(sg)), sg->length, direction); - plat_unmap_dma_mem(sg->dma_address); } }