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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2013-10-18 19:35:32 +0200
committerDan Williams <dan.j.williams@intel.com>2013-11-14 11:04:38 -0800
commit54f8d501e842879143e867e70996574a54d1e130 (patch)
tree1fcd65a5152d330167f5eefba5cc5d514ec91da1 /drivers/dma/amba-pl08x.c
parent6f57fd0578dff23a4bd16118f0cb4201bcec91f1 (diff)
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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/amba-pl08x.c')
-rw-r--r--drivers/dma/amba-pl08x.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 7f9846464b77..6a5f782ec7eb 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1164,43 +1164,12 @@ static void pl08x_free_txd(struct pl08x_driver_data *pl08x,
kfree(txd);
}
-static void pl08x_unmap_buffers(struct pl08x_txd *txd)
-{
- struct device *dev = txd->vd.tx.chan->device->dev;
- struct pl08x_sg *dsg;
-
- if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
- if (txd->vd.tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_single(dev, dsg->src_addr, dsg->len,
- DMA_TO_DEVICE);
- else {
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_page(dev, dsg->src_addr, dsg->len,
- DMA_TO_DEVICE);
- }
- }
- if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
- if (txd->vd.tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_single(dev, dsg->dst_addr, dsg->len,
- DMA_FROM_DEVICE);
- else
- list_for_each_entry(dsg, &txd->dsg_list, node)
- dma_unmap_page(dev, dsg->dst_addr, dsg->len,
- DMA_FROM_DEVICE);
- }
-}
-
static void pl08x_desc_free(struct virt_dma_desc *vd)
{
struct pl08x_txd *txd = to_pl08x_txd(&vd->tx);
struct pl08x_dma_chan *plchan = to_pl08x_chan(vd->tx.chan);
dma_descriptor_unmap(txd);
- if (!plchan->slave)
- pl08x_unmap_buffers(txd);
-
if (!txd->done)
pl08x_release_mux(plchan);