MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index af5f046..609d124 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -258,7 +258,7 @@
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 @@
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 @@
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,