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| author |  Russell King - ARM Linux <linux@arm.linux.org.uk>
| 2012-03-06 22:34:46 +0000 |
|---|---|---|
| committer |  Vinod Koul <vinod.koul@linux.intel.com>
| 2012-03-13 11:36:52 +0530 |
| commit | 884485e1f12dcd39390f042e772cdbefc9ebb750 (patch) | |
| tree | a35fccb601c48ae1ea839aa6d62e4f102f7b66c3 /drivers/dma/timb_dma.c | |
| parent | dmaengine: add private header file (diff) | |
| download | linux-884485e1f12dcd39390f042e772cdbefc9ebb750.tar.gz linux-884485e1f12dcd39390f042e772cdbefc9ebb750.tar.bz2 linux-884485e1f12dcd39390f042e772cdbefc9ebb750.zip | |
dmaengine: consolidate assignment of DMA cookies
Everyone deals with assigning DMA cookies in the same way (it's part of
the API so they should be), so lets consolidate the common code into a
helper function to avoid this duplication.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/timb_dma.c')
| -rw-r--r-- | drivers/dma/timb_dma.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 4b61879284d1..b6e83fc27c4e 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -350,12 +350,7 @@ static dma_cookie_t td_tx_submit(struct dma_async_tx_descriptor *txd) dma_cookie_t cookie; spin_lock_bh(&td_chan->lock); - - cookie = txd->chan->cookie; - if (++cookie < 0) - cookie = 1; - txd->chan->cookie = cookie; - txd->cookie = cookie; + cookie = dma_cookie_assign(txd); if (list_empty(&td_chan->active_list)) { dev_dbg(chan2dev(txd->chan), "%s: started %u\n", __func__, |