dw_dmac: Changing type of src_master and dest_master to u8.

src_master & dest_master don't required u32 as they have values limited to u8
only. Also their description is missing from doc style comment. This patch
fixes above mentioned issues.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h
index 64c76da571ef..3ba2f066ff46 100644
--- a/include/linux/dw_dmac.h
+++ b/include/linux/dw_dmac.h
@@ -53,6 +53,8 @@ enum dw_dma_slave_width {
  * @reg_width: peripheral register width
  * @cfg_hi: Platform-specific initializer for the CFG_HI register
  * @cfg_lo: Platform-specific initializer for the CFG_LO register
+ * @src_master: src master for transfers on allocated channel.
+ * @dst_master: dest master for transfers on allocated channel.
  */
 struct dw_dma_slave {
         struct device           *dma_dev;
@@ -61,8 +63,8 @@ struct dw_dma_slave {
         enum dw_dma_slave_width reg_width;
         u32                     cfg_hi;
         u32                     cfg_lo;
-        int                     src_master;
-        int                     dst_master;
+        u8                      src_master;
+        u8                      dst_master;
 };
 
 /* Platform-configurable bits in CFG_HI */