dmaengine: Add flags parameter to dmaengine_prep_dma_cyclic()

With this parameter added to dmaengine_prep_dma_cyclic() the API will be in
sync with other dmaengine_prep_*() functions.
The dmaengine_prep_dma_cyclic() function primarily used by audio for cyclic
transfer required by ALSA, we use the from audio to ask dma drivers to
suppress interrupts (if DMA_PREP_INTERRUPT is cleared) when it is supported
on the platform.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 09da4e565297..d3201e438d16 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -653,7 +653,8 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_rio_sg(
 
 static inline struct dma_async_tx_descriptor *dmaengine_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)
+                size_t period_len, enum dma_transfer_direction dir,
+                unsigned long flags)
 {
         return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
                                                 period_len, dir, flags, NULL);