1 files changed, 16 insertions, 28 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3d1c2aa51530..653a1fd07ae8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -37,7 +37,6 @@
  */
 typedef s32 dma_cookie_t;
 #define DMA_MIN_COOKIE  1
-#define DMA_MAX_COOKIE  INT_MAX
 
 static inline int dma_submit_error(dma_cookie_t cookie)
 {
@@ -200,15 +199,12 @@ enum dma_ctrl_flags {
  * configuration data in statically from the platform). An additional
  * argument of struct dma_slave_config must be passed in with this
  * command.
- * @FSLDMA_EXTERNAL_START: this command will put the Freescale DMA controller
- * into external start mode.
  */
 enum dma_ctrl_cmd {
         DMA_TERMINATE_ALL,
         DMA_PAUSE,
         DMA_RESUME,
         DMA_SLAVE_CONFIG,
-        FSLDMA_EXTERNAL_START,
 };
 
 /**
@@ -308,7 +304,9 @@ enum dma_slave_buswidth {
  * struct dma_slave_config - dma slave channel runtime config
  * @direction: whether the data shall go in or out on this slave
  * channel, right now. DMA_MEM_TO_DEV and DMA_DEV_TO_MEM are
- * legal values.
+ * legal values. DEPRECATED, drivers should use the direction argument
+ * to the device_prep_slave_sg and device_prep_dma_cyclic functions or
+ * the dir field in the dma_interleaved_template structure.
  * @src_addr: this is the physical address where DMA slave data
  * should be read (RX), if the source is memory this argument is
  * ignored.
@@ -671,7 +669,7 @@ struct dma_device {
         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,
-                unsigned long flags, void *context);
+                unsigned long flags);
         struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
                 struct dma_chan *chan, struct dma_interleaved_template *xt,
                 unsigned long flags);
@@ -746,7 +744,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
                 unsigned long flags)
 {
         return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
-                                                period_len, dir, flags, NULL);
+                                                period_len, dir, flags);
 }
 
 static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(
@@ -756,6 +754,16 @@ 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)
@@ -901,18 +909,6 @@ static inline void dmaengine_put(void)
 }
 #endif
 
-#ifdef CONFIG_NET_DMA
-#define net_dmaengine_get()     dmaengine_get()
-#define net_dmaengine_put()     dmaengine_put()
-#else
-static inline void net_dmaengine_get(void)
-{
-}
-static inline void net_dmaengine_put(void)
-{
-}
-#endif
-
 #ifdef CONFIG_ASYNC_TX_DMA
 #define async_dmaengine_get()   dmaengine_get()
 #define async_dmaengine_put()   dmaengine_put()
@@ -934,16 +930,8 @@ async_dma_find_channel(enum dma_transaction_type type)
         return NULL;
 }
 #endif /* CONFIG_ASYNC_TX_DMA */
-
-dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan,
-        void *dest, void *src, size_t len);
-dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan,
-        struct page *page, unsigned int offset, void *kdata, size_t len);
-dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan,
-        struct page *dest_pg, unsigned int dest_off, struct page *src_pg,
-        unsigned int src_off, size_t len);
 void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
-        struct dma_chan *chan);
+                                  struct dma_chan *chan);
 
 static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
 {