dmaengine: freescale: remove FSLDMA_EXTERNAL_START control method

since users have been move to fsl_dma_external_start() API, so remove this
now

Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 0cded86..994bcb2 100644 (file)
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1012,15 +1012,6 @@ static int fsl_dma_device_control(struct dma_chan *dchan,
                chan->set_request_count(chan, size);
                return 0;
 
-       case FSLDMA_EXTERNAL_START:
-
-               /* make sure the channel supports external start */
-               if (!chan->toggle_ext_start)
-                       return -ENXIO;
-
-               chan->toggle_ext_start(chan, arg);
-               return 0;
-
        default:
                return -ENXIO;
        }