ASoC: add locking to mpc5200-psc-ac97 driver

[firefly-linux-kernel-4.4.55.git] / sound / soc / fsl / mpc5200_dma.h

diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h
index 2000803f06a721f236d7caae1104993cedbfeff7..8d396bb9d9fe405db9c10dc12d14e2dedabfaf58 100644 (file)
--- a/sound/soc/fsl/mpc5200_dma.h
+++ b/sound/soc/fsl/mpc5200_dma.h
@@ -55,6 +55,7 @@ struct psc_dma {
        unsigned int irq;
        struct device *dev;
        spinlock_t lock;
+       struct mutex mutex;
        u32 sicr;
        uint sysclk;
        int imr;