ARM: OMAP: Fix chain_a_transfer return value

This patch changes the return value of omap_dma_chain_a_transfer
to 0 on success instead of the flag 'start_dma', which wasn't really useful
for anything.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 91004a3c4794fe1f90f41d856d3d389537465529..06293bfcc831d4cb7fb76394039aaf5e0b1499ed 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1248,7 +1248,7 @@ EXPORT_SYMBOL(omap_dma_chain_status);
  * @param frame_count
  * @param callbk_data - channel callback parameter data.
  *
- * @return  - Success : start_dma status
+ * @return  - Success : 0
  *           Failure: -EINVAL/-EBUSY
  */
 int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
@@ -1367,7 +1367,7 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
                        dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
                }
        }
-       return start_dma;
+       return 0;
 }
 EXPORT_SYMBOL(omap_dma_chain_a_transfer);