[PATCH 1/6] dmaengine: add dmaengine_prep_dma_sg() helper

From: Vinod Koul
Date: Sat Oct 11 2014 - 12:22:28 EST


This was only prep API which didnt have an helper

Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
---
include/linux/dmaengine.h | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3d291f5..ce8a08e 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -757,6 +757,16 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(
return chan->device->device_prep_interleaved_dma(chan, xt, flags);
}

+static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg(
+ struct dma_chan *chan,
+ struct scatterlist *dst_sg, unsigned int dst_nents,
+ struct scatterlist *src_sg, unsigned int src_nents,
+ unsigned long flags)
+{
+ return chan->device->device_prep_dma_sg(chan, dst_sg, dst_nents,
+ src_sg, src_nents, flags);
+}
+
static inline int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
{
if (!chan || !caps)
--
1.7.0.4

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