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dmaengine: Pass flags via device_prep_dma_cyclic() callback

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Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
can receive the flags coming from clients.
This feature can be used during audio operation to disable all audio
related interrupts when the DMA_PREP_INTERRUPT is cleared from the flags.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi
2012-09-14 15:05:47 +03:00
committed by Mark Brown
parent 2dcdf57093
commit ec8b5e48c0
13 changed files with 19 additions and 14 deletions
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drivers/dma/omap-dma.c
+2 -1
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@@ -366,7 +366,8 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction dir, void *context)
size_t period_len, enum dma_transfer_direction dir, unsigned long flags,
void *context)
{
struct omap_chan *c = to_omap_dma_chan(chan);
enum dma_slave_buswidth dev_width;