1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index c604d26fd4d3..f31d647acdfa 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -182,6 +182,7 @@ struct at_lli {
  * @txd: support for the async_tx api
  * @desc_node: node on the channed descriptors list
  * @len: total transaction bytecount
+ * @tx_width: transfer width
  */
 struct at_desc {
         /* FIRST values the hardware uses */
@@ -192,6 +193,7 @@ struct at_desc {
         struct dma_async_tx_descriptor  txd;
         struct list_head                desc_node;
         size_t                          len;
+        u32                             tx_width;
 };
 
 static inline struct at_desc *
@@ -211,6 +213,7 @@ txd_to_at_desc(struct dma_async_tx_descriptor *txd)
 enum atc_status {
         ATC_IS_ERROR = 0,
         ATC_IS_PAUSED = 1,
+        ATC_IS_BTC = 2,
         ATC_IS_CYCLIC = 24,
 };
 
@@ -228,6 +231,7 @@ enum atc_status {
  * @save_cfg: configuration register that is saved on suspend/resume cycle
  * @save_dscr: for cyclic operations, preserve next descriptor address in
  *             the cyclic list on suspend/resume cycle
+ * @remain_desc: to save remain desc length
  * @dma_sconfig: configuration for slave transfers, passed via DMA_SLAVE_CONFIG
  * @lock: serializes enqueue/dequeue operations to descriptors lists
  * @active_list: list of descriptors dmaengine is being running on
@@ -246,6 +250,7 @@ struct at_dma_chan {
         struct tasklet_struct   tasklet;
         u32                     save_cfg;
         u32                     save_dscr;
+        u32                     remain_desc;
         struct dma_slave_config dma_sconfig;
 
         spinlock_t              lock;