diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-06-18 00:08:31 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-06-24 21:34:40 +0400 |
| commit | 4ac4aa5cc3b00cc558575065ae71043e92d1a69a (patch) | |
| tree | 77000115ec386bca50c5519e3695799ebb6915b8 | |
| parent | 2e25406fb878e2313a9d8e302ed7ff3c2831198f (diff) | |
| download | linux-4ac4aa5cc3b00cc558575065ae71043e92d1a69a.tar.xz | |
DMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set
This patch does not change actual behaviour since dma_unmap_page is just
an alias of dma_unmap_single on MIPS.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | drivers/dma/txx9dmac.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index 9aa9ea9822c8..88dab52926f4 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -432,23 +432,27 @@ txx9dmac_descriptor_complete(struct txx9dmac_chan *dc, list_splice_init(&txd->tx_list, &dc->free_list); list_move(&desc->desc_node, &dc->free_list); - /* - * We use dma_unmap_page() regardless of how the buffers were - * mapped before they were submitted... - */ if (!ds) { dma_addr_t dmaaddr; if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) { dmaaddr = is_dmac64(dc) ? desc->hwdesc.DAR : desc->hwdesc32.DAR; - dma_unmap_page(chan2parent(&dc->chan), dmaaddr, - desc->len, DMA_FROM_DEVICE); + if (txd->flags & DMA_COMPL_DEST_UNMAP_SINGLE) + dma_unmap_single(chan2parent(&dc->chan), + dmaaddr, desc->len, DMA_FROM_DEVICE); + else + dma_unmap_page(chan2parent(&dc->chan), + dmaaddr, desc->len, DMA_FROM_DEVICE); } if (!(txd->flags & DMA_COMPL_SKIP_SRC_UNMAP)) { dmaaddr = is_dmac64(dc) ? desc->hwdesc.SAR : desc->hwdesc32.SAR; - dma_unmap_page(chan2parent(&dc->chan), dmaaddr, - desc->len, DMA_TO_DEVICE); + if (txd->flags & DMA_COMPL_SRC_UNMAP_SINGLE) + dma_unmap_single(chan2parent(&dc->chan), + dmaaddr, desc->len, DMA_TO_DEVICE); + else + dma_unmap_page(chan2parent(&dc->chan), + dmaaddr, desc->len, DMA_TO_DEVICE); } } |