MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.

[linux-drm-fsl-dcu.git] / arch / mips / mm / dma-default.c

diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index af5f046e627e470a6f4f87709af6a9f3b232a213..609d1241b0c47c383db16fbb6941ff81624d08c8 100644 (file)
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -258,7 +258,7 @@ static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
        if (cpu_needs_post_dma_flush(dev))
                __dma_sync(dma_addr_to_page(dev, dma_addr),
                           dma_addr & ~PAGE_MASK, size, direction);
-
+       plat_post_dma_flush(dev);
        plat_unmap_dma_mem(dev, dma_addr, size, direction);
 }
 
@@ -312,6 +312,7 @@ static void mips_dma_sync_single_for_cpu(struct device *dev,
        if (cpu_needs_post_dma_flush(dev))
                __dma_sync(dma_addr_to_page(dev, dma_handle),
                           dma_handle & ~PAGE_MASK, size, direction);
+       plat_post_dma_flush(dev);
 }
 
 static void mips_dma_sync_single_for_device(struct device *dev,
@@ -331,6 +332,7 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev,
                for (i = 0; i < nelems; i++, sg++)
                        __dma_sync(sg_page(sg), sg->offset, sg->length,
                                   direction);
+       plat_post_dma_flush(dev);
 }
 
 static void mips_dma_sync_sg_for_device(struct device *dev,