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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2013-10-18 19:35:32 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2013-11-14 11:04:38 -0800 |
| commit | 54f8d501e842879143e867e70996574a54d1e130 (patch) | |
| tree | 1fcd65a5152d330167f5eefba5cc5d514ec91da1 /drivers/dma/txx9dmac.c | |
| parent | 6f57fd0578dff23a4bd16118f0cb4201bcec91f1 (diff) | |
| download | op-kernel-dev-54f8d501e842879143e867e70996574a54d1e130.zip op-kernel-dev-54f8d501e842879143e867e70996574a54d1e130.tar.gz | |
dmaengine: remove DMA unmap from drivers
Remove support for DMA unmapping from drivers as it is no longer
needed (DMA core code is now handling it).
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[djbw: fix up chan2parent() unused warning in drivers/dma/dw/core.c]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/txx9dmac.c')
| -rw-r--r-- | drivers/dma/txx9dmac.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index 22a0b6c..6f272987 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -420,30 +420,6 @@ txx9dmac_descriptor_complete(struct txx9dmac_chan *dc, list_move(&desc->desc_node, &dc->free_list); dma_descriptor_unmap(txd); - if (!ds) { - dma_addr_t dmaaddr; - if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) { - dmaaddr = is_dmac64(dc) ? - desc->hwdesc.DAR : desc->hwdesc32.DAR; - 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; - 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); - } - } - /* * The API requires that no submissions are done from a * callback, so we don't need to drop the lock here |
