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/txx9dmac.c | |
| 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/txx9dmac.c')
| -rw-r--r-- | drivers/dma/txx9dmac.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index e743c9c7c20a..0d850fe9c301 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -832,8 +832,8 @@ txx9dmac_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, static struct dma_async_tx_descriptor * txx9dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, - unsigned int sg_len, enum dma_data_direction direction, - unsigned long flags) + unsigned int sg_len, enum dma_transfer_direction direction, + unsigned long flags, void *context) { struct txx9dmac_chan *dc = to_txx9dmac_chan(chan); struct txx9dmac_dev *ddev = dc->ddev; @@ -1162,15 +1162,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev) dc->ddev->chan[ch] = dc; dc->chan.device = &dc->dma; list_add_tail(&dc->chan.device_node, &dc->chan.device->channels); -<<<<<<< HEAD - dc->chan.cookie = dc->chan.completed_cookie = 1; -======= -<<<<<<< HEAD - dc->chan.cookie = dc->completed = 1; -======= dma_cookie_init(&dc->chan); ->>>>>>> d3ee98cdc... dmaengine: consolidate initialization of cookies ->>>>>>> 1e15982... dmaengine: consolidate initialization of cookies if (is_dmac64(dc)) dc->ch_regs = &__txx9dmac_regs(dc->ddev)->CHAN[ch]; |