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authorAlexandre Bounine <alexandre.bounine@idt.com>2012-03-08 15:35:13 -0500
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-21 19:20:23 +0530
commit185ecb5f4fd43911c35956d4cc7d94a1da30417f (patch)
treeebbdb7f15157d19d8af892cd7948d93947d09ec2 /drivers/dma/mxs-dma.c
parent16052827d98fbc13c31ebad560af4bd53e2b4dd5 (diff)
downloadlinux-185ecb5f4fd43911c35956d4cc7d94a1da30417f.tar.bz2
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/mxs-dma.c')
-rw-r--r--drivers/dma/mxs-dma.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index a2267f9ab568..65334c49b71e 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -340,7 +340,7 @@ static void mxs_dma_free_chan_resources(struct dma_chan *chan)
static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_transfer_direction direction,
- unsigned long append)
+ unsigned long append, void *context)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
@@ -435,7 +435,8 @@ err_out:
static struct dma_async_tx_descriptor *mxs_dma_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)
+ size_t period_len, enum dma_transfer_direction direction,
+ void *context)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;