diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
index 9e59f680bc19..56815c1d47b3 100644
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.c
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -418,7 +418,7 @@ static void bf5xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
 
 static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
 
-int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
+static int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_card *card = rtd->card->snd_card;
 	struct snd_soc_dai *dai = rtd->cpu_dai;