api: dma: Fix comments for struct dma_config

The comments refered to 'config' and 'config_size' as though they
were named members of the struct, which they are not, and so is a little
confusing. Delete these comments and also correctly align the text for
size and burst members.

Change-Id: Iae14c76940268b8e7d72b117c8aea5a204b3da34
Signed-off-by: Jon Medhurst <[email protected]>

Author: tixy

include/dma.h

@@ -159,7 +159,6 @@ struct dma_block_config {
 /**
  * @brief DMA configuration structure.
  *
- * config is a bit field with the following parts:
  *     dma_slot             [ 0 : 5 ]   - which peripheral and direction
  *                                        (HW specific)
  *     channel_direction    [ 6 : 8 ]   - 000-memory to memory, 001-memory to
@@ -180,11 +179,11 @@ struct dma_block_config {
  *                                        0-disable, 1-enable
  *     reserved             [ 19 : 31 ]
  *
- * config_size is a bit field with the following parts:
- *     source_data_size    [ 0 : 15 ]    - number of bytes
- *     dest_data_size      [ 16 : 31 ]   - number of bytes
- *     source_burst_length [ 0 : 15 ]  - number of source data units
- *     dest_burst_length   [ 16 : 31 ]  - number of destination data units
+ *     source_data_size     [ 0 : 15 ]  - number of bytes
+ *     dest_data_size       [ 16 : 31 ] - number of bytes
+ *
+ *     source_burst_length  [ 0 : 15 ]  - number of source data units
+ *     dest_burst_length    [ 16 : 31 ] - number of destination data units
  *
  *     block_count  is the number of blocks used for block chaining, this
  *     depends on availability of the DMA controller.