ASoC: add locking to mpc5200-psc-ac97 driver

[safe/jmp/linux-2.6] / sound / soc / fsl / mpc5200_dma.c

diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index efec33a..f0a2d40 100644 (file)
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -456,6 +456,7 @@ int mpc5200_audio_dma_create(struct of_device *op)
                return -ENODEV;
 
        spin_lock_init(&psc_dma->lock);
+       mutex_init(&psc_dma->mutex);
        psc_dma->id = be32_to_cpu(*prop);
        psc_dma->irq = irq;
        psc_dma->psc_regs = regs;