MIPS: use the generic uncached segment support in dma-direct

Stop providing the arch alloc/free hooks and just expose the segment
offset instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index bedb5047aff3..1804dc9d8136 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -575,10 +575,6 @@ static void *jazz_dma_alloc(struct device *dev, size_t size,
 		return NULL;
 	}
 
-	if (!(attrs & DMA_ATTR_NON_CONSISTENT)) {
-		dma_cache_wback_inv((unsigned long)ret, size);
-		ret = (void *)UNCAC_ADDR(ret);
-	}
 	return ret;
 }
 
@@ -586,8 +582,6 @@ static void jazz_dma_free(struct device *dev, size_t size, void *vaddr,
 		dma_addr_t dma_handle, unsigned long attrs)
 {
 	vdma_free(dma_handle);
-	if (!(attrs & DMA_ATTR_NON_CONSISTENT))
-		vaddr = (void *)CAC_ADDR((unsigned long)vaddr);
 	dma_direct_free_pages(dev, size, vaddr, dma_handle, attrs);
 }