dmaengine: at_hdmac: fix residue computation

[linux-2.6-block.git] / drivers / dma / at_hdmac_regs.h

diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index bc8d5ebedd192f12f9ed32f220c45892c064a8d0..7f5a08230f76de64e044964f8ff49b5051a9bbb2 100644 (file)
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -112,6 +112,7 @@
 #define                ATC_SRC_WIDTH_BYTE      (0x0 << 24)
 #define                ATC_SRC_WIDTH_HALFWORD  (0x1 << 24)
 #define                ATC_SRC_WIDTH_WORD      (0x2 << 24)
+#define                ATC_REG_TO_SRC_WIDTH(r) (((r) >> 24) & 0x3)
 #define        ATC_DST_WIDTH_MASK      (0x3 << 28)     /* Destination Single Transfer Size */
 #define                ATC_DST_WIDTH(x)        ((x) << 28)
 #define                ATC_DST_WIDTH_BYTE      (0x0 << 28)
@@ -182,7 +183,6 @@ struct at_lli {
  * @txd: support for the async_tx api
  * @desc_node: node on the channed descriptors list
  * @len: descriptor byte count
- * @tx_width: transfer width
  * @total_len: total transaction byte count
  */
 struct at_desc {
@@ -194,7 +194,6 @@ struct at_desc {
        struct dma_async_tx_descriptor  txd;
        struct list_head                desc_node;
        size_t                          len;
-       u32                             tx_width;
        size_t                          total_len;
 
        /* Interleaved data */