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| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2012-03-09 00:35:13 +0400 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-03-21 17:50:23 +0400 |
| commit | 185ecb5f4fd43911c35956d4cc7d94a1da30417f (patch) | |
| tree | ebbdb7f15157d19d8af892cd7948d93947d09ec2 /drivers/dma/ste_dma40.c | |
| parent | 16052827d98fbc13c31ebad560af4bd53e2b4dd5 (diff) | |
| download | linux-185ecb5f4fd43911c35956d4cc7d94a1da30417f.tar.xz | |
dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic
Add context parameter to device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to allow passing client/target specific information associated
with the data transfer.
Modify all affected DMA engine drivers.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/ste_dma40.c')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 1ea6d02d08ab..bdd41d4bfa8d 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2289,7 +2289,8 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, enum dma_transfer_direction direction, - unsigned long dma_flags) + unsigned long dma_flags, + void *context) { if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV) return NULL; @@ -2300,7 +2301,7 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan, static struct dma_async_tx_descriptor * dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len, size_t period_len, - enum dma_transfer_direction direction) + enum dma_transfer_direction direction, void *context) { unsigned int periods = buf_len / period_len; struct dma_async_tx_descriptor *txd; |