ARM: OMAP: Pass logical DMA channel number always to callback handlers

This makes parameter passing to DMA handlers uniform between non-chained
and chained transfers and makes debugging easier. Additional data like
chain_id can be always passed to handlers via callback data if needed.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index a46676db8113..3e94683c9662 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1705,14 +1705,8 @@ static int omap2_dma_handle_ch(int ch)
                 status = OMAP_DMA_CSR_REG(ch);
         }
 
-        if (likely(dma_chan[ch].callback != NULL)) {
-                if (dma_chan[ch].chain_id != -1)
-                        dma_chan[ch].callback(dma_chan[ch].chain_id, status,
-                                              dma_chan[ch].data);
-                else
-                        dma_chan[ch].callback(ch, status, dma_chan[ch].data);
-
-        }
+        if (likely(dma_chan[ch].callback != NULL))
+                dma_chan[ch].callback(ch, status, dma_chan[ch].data);
 
         OMAP_DMA_CSR_REG(ch) = status;