[PATCH -next] ASoC: amd: remove set but not used variable 'dma_buffer'

[YueHaibing]

Fixes gcc '-Wunused-but-set-variable' warning:

sound/soc/amd/raven/acp3x-pcm-dma.c: In function 'acp3x_dma_hw_params':
sound/soc/amd/raven/acp3x-pcm-dma.c:333:25: warning:
 variable 'dma_buffer' set but not used [-Wunused-but-set-variable]

It never used since introduction in commit
8de1b5ed0337 ("ASoC: amd: add acp3x system resume pm op")

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 sound/soc/amd/raven/acp3x-pcm-dma.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c 
b/sound/soc/amd/raven/acp3x-pcm-dma.c
index 2e61cef..28a867f 100644
--- a/sound/soc/amd/raven/acp3x-pcm-dma.c
+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
@@ -330,7 +330,6 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream 
*substream,
 {
        int status;
        u64 size;
-       struct snd_dma_buffer *dma_buffer;
        struct page *pg;
        struct snd_pcm_runtime *runtime = substream->runtime;
        struct i2s_stream_instance *rtd = runtime->private_data;
@@ -338,7 +337,6 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream 
*substream,
        if (!rtd)
                return -EINVAL;
 
-       dma_buffer = &substream->dma_buffer;
        size = params_buffer_bytes(params);
        status = snd_pcm_lib_malloc_pages(substream, size);
        if (status < 0)