dma: imx-sdma: remove the unused completion

After the patch: "2ccaef0 dma: imx-sdma: make channel0 operations atomic",
the "done" completion is not used any more.

Just remove it.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index b331ebb..960367d 100644 (file)
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -243,7 +243,6 @@ struct sdma_engine;
  * @event_id1          for channels that use 2 events
  * @word_size          peripheral access size
  * @buf_tail           ID of the buffer that was processed
- * @done               channel completion
  * @num_bd             max NUM_BD. number of descriptors currently handling
  */
 struct sdma_channel {
@@ -255,7 +254,6 @@ struct sdma_channel {
        unsigned int                    event_id1;
        enum dma_slave_buswidth         word_size;
        unsigned int                    buf_tail;
-       struct completion               done;
        unsigned int                    num_bd;
        struct sdma_buffer_descriptor   *bd;
        dma_addr_t                      bd_phys;
@@ -547,8 +545,6 @@ static void sdma_tasklet(unsigned long data)
 {
        struct sdma_channel *sdmac = (struct sdma_channel *) data;
 
-       complete(&sdmac->done);
-
        if (sdmac->flags & IMX_DMA_SG_LOOP)
                sdma_handle_channel_loop(sdmac);
        else
@@ -812,9 +808,6 @@ static int sdma_request_channel(struct sdma_channel *sdmac)
        sdma->channel_control[channel].current_bd_ptr = sdmac->bd_phys;
 
        sdma_set_channel_priority(sdmac, MXC_SDMA_DEFAULT_PRIORITY);
-
-       init_completion(&sdmac->done);
-
        return 0;
 out: