From 185ecb5f4fd43911c35956d4cc7d94a1da30417f Mon Sep 17 00:00:00 2001 From: Alexandre Bounine Date: Thu, 8 Mar 2012 15:35:13 -0500 Subject: 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 Acked-by: Linus Walleij Acked-by: Felipe Balbi Signed-off-by: Vinod Koul --- drivers/dma/pch_dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/dma/pch_dma.c') 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; -- cgit v1.2.2