diff options
| author | Russell King - ARM Linux <linux@arm.linux.org.uk> | 2012-03-07 02:34:06 +0400 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-03-13 10:06:06 +0400 |
| commit | 4d4e58de32a192fea65ab84509d17d199bd291c8 (patch) | |
| tree | be35531778c9cc6bee73beb94d07e176a6f3599d /drivers/dma/imx-sdma.c | |
| parent | 08714f60b0fc6ea3a060b69b32e77139f14e6045 (diff) | |
| download | linux-4d4e58de32a192fea65ab84509d17d199bd291c8.tar.xz | |
dmaengine: move last completed cookie into generic dma_chan structure
Every DMA engine implementation declares a last completed dma cookie
in their private dma channel structures. This is pointless, and
forces driver specific code. Move this out into the common dma_chan
structure.
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/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index bf736ad679ca..49aa4e876645 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -267,7 +267,6 @@ struct sdma_channel { struct dma_chan chan; spinlock_t lock; struct dma_async_tx_descriptor desc; - dma_cookie_t last_completed; enum dma_status status; unsigned int chn_count; unsigned int chn_real_count; @@ -529,7 +528,7 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac) else sdmac->status = DMA_SUCCESS; - sdmac->last_completed = sdmac->desc.cookie; + sdmac->chan.completed_cookie = sdmac->desc.cookie; if (sdmac->desc.callback) sdmac->desc.callback(sdmac->desc.callback_param); } @@ -1127,7 +1126,7 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, last_used = chan->cookie; - dma_set_tx_state(txstate, sdmac->last_completed, last_used, + dma_set_tx_state(txstate, chan->completed_cookie, last_used, sdmac->chn_count - sdmac->chn_real_count); return sdmac->status; |