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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-09 22:22:40 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-09 22:22:40 -0800 |
| commit | 5d43889c07bb38694742936aa70d1187c012e198 (patch) | |
| tree | 73809dddae39ae3b746396e9779142dbd1973f33 /drivers/dma/timb_dma.c | |
| parent | 95f75e91588afecfb0090988393653d21f5d1f91 (diff) | |
| parent | 374b105797c3d4f29c685f3be535c35f5689b30e (diff) | |
Merge tag 'v3.13-rc3' into for-linus
Merging with the mainline to sync up on changes to serio core.
Diffstat (limited to 'drivers/dma/timb_dma.c')
| -rw-r--r-- | drivers/dma/timb_dma.c | 37 |
1 files changed, 1 insertions, 36 deletions
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 28af214fce04..4506a7b4f972 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -154,38 +154,6 @@ static bool __td_dma_done_ack(struct timb_dma_chan *td_chan) return done; } -static void __td_unmap_desc(struct timb_dma_chan *td_chan, const u8 *dma_desc, - bool single) -{ - dma_addr_t addr; - int len; - - addr = (dma_desc[7] << 24) | (dma_desc[6] << 16) | (dma_desc[5] << 8) | - dma_desc[4]; - - len = (dma_desc[3] << 8) | dma_desc[2]; - - if (single) - dma_unmap_single(chan2dev(&td_chan->chan), addr, len, - DMA_TO_DEVICE); - else - dma_unmap_page(chan2dev(&td_chan->chan), addr, len, - DMA_TO_DEVICE); -} - -static void __td_unmap_descs(struct timb_dma_desc *td_desc, bool single) -{ - struct timb_dma_chan *td_chan = container_of(td_desc->txd.chan, - struct timb_dma_chan, chan); - u8 *descs; - - for (descs = td_desc->desc_list; ; descs += TIMB_DMA_DESC_SIZE) { - __td_unmap_desc(td_chan, descs, single); - if (descs[0] & 0x02) - break; - } -} - static int td_fill_desc(struct timb_dma_chan *td_chan, u8 *dma_desc, struct scatterlist *sg, bool last) { @@ -293,10 +261,7 @@ static void __td_finish(struct timb_dma_chan *td_chan) list_move(&td_desc->desc_node, &td_chan->free_list); - if (!(txd->flags & DMA_COMPL_SKIP_SRC_UNMAP)) - __td_unmap_descs(td_desc, - txd->flags & DMA_COMPL_SRC_UNMAP_SINGLE); - + dma_descriptor_unmap(txd); /* * The API requires that no submissions are done from a * callback, so we don't need to drop the lock here |