cppcheck warning:

sound/soc/fsl/fsl_dma.c:411:10: style: Variable 'channel' is assigned
a value that is never used. [unreadVariable]

 channel = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1;
         ^

Removing this line shows the variable isn't needed any longer so
remove declaration as well.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.boss...@linux.intel.com>
---
 sound/soc/fsl/fsl_dma.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index e0c39c5f4854..84bd8a5356eb 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -392,7 +392,6 @@ static int fsl_dma_open(struct snd_soc_component *component,
        dma_addr_t ld_buf_phys;
        u64 temp_link;          /* Pointer to next link descriptor */
        u32 mr;
-       unsigned int channel;
        int ret = 0;
        unsigned int i;
 
@@ -408,8 +407,6 @@ static int fsl_dma_open(struct snd_soc_component *component,
                return ret;
        }
 
-       channel = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1;
-
        if (dma->assigned) {
                dev_err(dev, "dma channel already assigned\n");
                return -EBUSY;
-- 
2.25.1

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