1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/dw_dmac.h b/include/linux/dw_dmac.h
index deec66b37180..a18c498984d9 100644
--- a/include/linux/dw_dmac.h
+++ b/include/linux/dw_dmac.h
@@ -22,6 +22,9 @@
 struct dw_dma_platform_data {
         unsigned int    nr_channels;
         bool            is_private;
+#define CHAN_ALLOCATION_ASCENDING       0       /* zero to seven */
+#define CHAN_ALLOCATION_DESCENDING      1       /* seven to zero */
+        unsigned char   chan_allocation_order;
 };
 
 /**