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| author | Shawn Guo <shawn.guo@freescale.com> | 2011-01-20 05:50:37 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-31 12:41:59 +0100 |
| commit | 8a9659114c7be6f88253618252881ea6fe0588b4 (patch) | |
| tree | 4845609a6f7c48391ec1fee2a01c854590855415 | |
| parent | 4b2ce9ddb370c4eb573540611c347d78ac4b54a0 (diff) | |
| download | op-kernel-dev-8a9659114c7be6f88253618252881ea6fe0588b4.zip op-kernel-dev-8a9659114c7be6f88253618252881ea6fe0588b4.tar.gz | |
dmaengine: imx-sdma: return sdmac->status in sdma_tx_status()
The sdmac->status was designed to reflect the status of the tx,
so simply return it in sdma_tx_status(). Then dma client can call
dma_async_is_tx_complete() to know the status of the tx.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/dma/imx-sdma.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 6fc04d8..f331ae0 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1061,14 +1061,12 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, { struct sdma_channel *sdmac = to_sdma_chan(chan); dma_cookie_t last_used; - enum dma_status ret; last_used = chan->cookie; - ret = dma_async_is_complete(cookie, sdmac->last_completed, last_used); dma_set_tx_state(txstate, sdmac->last_completed, last_used, 0); - return ret; + return sdmac->status; } static void sdma_issue_pending(struct dma_chan *chan) |
