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authorAlexandre Bounine <alexandre.bounine@idt.com>2012-03-08 21:35:13 +0100
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-21 14:50:23 +0100
commit185ecb5f4fd43911c35956d4cc7d94a1da30417f (patch)
treeebbdb7f15157d19d8af892cd7948d93947d09ec2 /drivers/dma/pch_dma.c
parentdmaengine/dma_slave: introduce inline wrappers (diff)
downloadlinux-185ecb5f4fd43911c35956d4cc7d94a1da30417f.tar.xz
linux-185ecb5f4fd43911c35956d4cc7d94a1da30417f.zip
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/pch_dma.c')
-rw-r--r--drivers/dma/pch_dma.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index c93bb0459972..65c0495a6d40 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -587,7 +587,8 @@ static void pd_issue_pending(struct dma_chan *chan)
static struct dma_async_tx_descriptor *pd_prep_slave_sg(struct dma_chan *chan,
struct scatterlist *sgl, unsigned int sg_len,
- enum dma_transfer_direction direction, unsigned long flags)
+ enum dma_transfer_direction direction, unsigned long flags,
+ void *context)
{
struct pch_dma_chan *pd_chan = to_pd_chan(chan);
struct pch_dma_slave *pd_slave = chan->private;