1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index 5eef6946a367..f298f69ecbf9 100644
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -13,6 +13,18 @@
 
 #define DW_DMA_MAX_NR_CHANNELS  8
 
+/* flow controller */
+enum dw_dma_fc {
+        DW_DMA_FC_D_M2M,
+        DW_DMA_FC_D_M2P,
+        DW_DMA_FC_D_P2M,
+        DW_DMA_FC_D_P2P,
+        DW_DMA_FC_P_P2M,
+        DW_DMA_FC_SP_P2P,
+        DW_DMA_FC_P_M2P,
+        DW_DMA_FC_DP_P2P,
+};
+
 /*
  * Redefine this macro to handle differences between 32- and 64-bit
  * addressing, big vs. little endian, etc.
@@ -146,13 +158,15 @@ struct dw_dma_chan {
 
         /* these other elements are all protected by lock */
         unsigned long           flags;
-        dma_cookie_t            completed;
         struct list_head        active_list;
         struct list_head        queue;
         struct list_head        free_list;
         struct dw_cyclic_desc   *cdesc;
 
         unsigned int            descs_allocated;
+
+        /* configuration passed via DMA_SLAVE_CONFIG */
+        struct dma_slave_config dma_sconfig;
 };
 
 static inline struct dw_dma_chan_regs __iomem *