Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[karo-tx-linux.git] / include / linux / dmaengine.h

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c59c4f0c2cc99619f6b290acb54a322cb79e8ee1..676f967390aeb8ccfe4983a9fab04285d62ce58d 100644 (file)
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -18,11 +18,12 @@
  * The full GNU General Public License is included in this distribution in the
  * file called COPYING.
  */
-#ifndef DMAENGINE_H
-#define DMAENGINE_H
+#ifndef LINUX_DMAENGINE_H
+#define LINUX_DMAENGINE_H
 
 #include <linux/device.h>
 #include <linux/uio.h>
+#include <linux/bug.h>
 #include <linux/scatterlist.h>
 #include <linux/bitmap.h>
 #include <linux/types.h>
@@ -582,10 +583,11 @@ struct dma_device {
        struct dma_async_tx_descriptor *(*device_prep_slave_sg)(
                struct dma_chan *chan, struct scatterlist *sgl,
                unsigned int sg_len, enum dma_transfer_direction direction,
-               unsigned long flags);
+               unsigned long flags, void *context);
        struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
                struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
-               size_t period_len, enum dma_transfer_direction direction);
+               size_t period_len, enum dma_transfer_direction direction,
+               void *context);
        struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
                struct dma_chan *chan, struct dma_interleaved_template *xt,
                unsigned long flags);
@@ -619,7 +621,24 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single(
        struct scatterlist sg;
        sg_init_one(&sg, buf, len);
 
-       return chan->device->device_prep_slave_sg(chan, &sg, 1, dir, flags);
+       return chan->device->device_prep_slave_sg(chan, &sg, 1,
+                                                 dir, flags, NULL);
+}
+
+static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_sg(
+       struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len,
+       enum dma_transfer_direction dir, unsigned long flags)
+{
+       return chan->device->device_prep_slave_sg(chan, sgl, sg_len,
+                                                 dir, flags, NULL);
+}
+
+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)
+{
+       return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
+                                               period_len, dir, NULL);
 }
 
 static inline int dmaengine_terminate_all(struct dma_chan *chan)