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dmaengine: remove DMA unmap from drivers

Ver código fonte 
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>
Esse commit está contido em:
Bartlomiej Zolnierkiewicz
2013-10-18 19:35:32 +02:00
commit de Dan Williams
pai 6f57fd0578
commit 54f8d501e8
17 arquivos alterados com 3 adições e 846 exclusões
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16
drivers/dma/fsldma.c
Ver arquivo

@@ -869,22 +869,6 @@ static void fsldma_cleanup_descriptor(struct fsldma_chan *chan,
dma_run_dependencies(txd);
dma_descriptor_unmap(txd);
/* Unmap the dst buffer, if requested */
if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
if (txd->flags & DMA_COMPL_DEST_UNMAP_SINGLE)
dma_unmap_single(dev, dst, len, DMA_FROM_DEVICE);
else
dma_unmap_page(dev, dst, len, DMA_FROM_DEVICE);
}
/* Unmap the src buffer, if requested */
if (!(txd->flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
if (txd->flags & DMA_COMPL_SRC_UNMAP_SINGLE)
dma_unmap_single(dev, src, len, DMA_TO_DEVICE);
else
dma_unmap_page(dev, src, len, DMA_TO_DEVICE);
}
#ifdef FSL_DMA_LD_DEBUG
chan_dbg(chan, "LD %p free\n", desc);
#endif