diff options
| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2012-03-08 15:35:13 -0500 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-04-05 09:11:50 -0700 |
| commit | f1ac5721f3c665c611ebd981718c8e0101d3e8c7 (patch) | |
| tree | 9b7b56ea98bbab7c5bead1b150c7836f1f8fd636 /drivers/dma/ipu | |
| parent | a9eb124efa19b973d4672a1ee00fa991e1a021f2 (diff) | |
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>
Cherry-picked from mainline
185ecb5f4fd43911c35956d4cc7d94a1da30417f
Change-Id: Ief79d20f6e9d367ee2b530d08df72864fb16895a
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/94464
Reviewed-by: Automatic_Commit_Validation_User
Diffstat (limited to 'drivers/dma/ipu')
| -rw-r--r-- | drivers/dma/ipu/ipu_idmac.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index b37edcece79e..fcefeddfa179 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1356,7 +1356,8 @@ static void ipu_gc_tasklet(unsigned long arg) /* Allocate and initialise a transfer descriptor. */ static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, - enum dma_data_direction direction, unsigned long tx_flags) + enum dma_transfer_direction direction, unsigned long tx_flags, + void *context) { struct idmac_channel *ichan = to_idmac_chan(chan); struct idmac_tx_desc *desc = NULL; @@ -1634,15 +1635,7 @@ static int __init ipu_idmac_init(struct ipu *ipu) snprintf(ichan->eof_name, sizeof(ichan->eof_name), "IDMAC EOF %d", i); dma_chan->device = &idmac->dma; -<<<<<<< HEAD - dma_chan->cookie = 1; -<<<<<<< HEAD - dma_chan->completed_cookie = -ENXIO; -======= -======= dma_cookie_init(dma_chan); ->>>>>>> d3ee98cdc... dmaengine: consolidate initialization of cookies ->>>>>>> 1e15982... dmaengine: consolidate initialization of cookies dma_chan->chan_id = i; list_add_tail(&dma_chan->device_node, &dma->channels); } |