dmaengine: dw: convert dw_dma_slave to use explicit HS interfaces

Instead of exposing the possibility to set DMA registers CFG_HI and CFG_LO
strict user to provide handshake interfaces explicitly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 68b4024184de..bc411a1bf8e7 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -17,17 +17,15 @@
  * struct dw_dma_slave - Controller-specific information about a slave
  *
  * @dma_dev: required DMA master device. Depricated.
- * @bus_id: name of this device channel, not just a device name since
- *          devices may have more than one channel e.g. "foo_tx"
- * @cfg_hi: Platform-specific initializer for the CFG_HI register
- * @cfg_lo: Platform-specific initializer for the CFG_LO register
+ * @src_id:     src request line
+ * @dst_id:     dst request line
  * @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;
-        u32                     cfg_hi;
-        u32                     cfg_lo;
+        u8                      src_id;
+        u8                      dst_id;
         u8                      src_master;
         u8                      dst_master;
 };