diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2009-07-02 11:57:25 -0600 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-03 10:41:47 +0100 |
| commit | 0827d6ba0b76be398a3c4298afd41f4965d2cdcb (patch) | |
| tree | e0346a66b752b89381103ee50008d532d207262e /sound/soc/fsl/mpc5200_dma.h | |
| parent | 07573534b0b030226ee5ab560e53aac7e6c0dd84 (diff) | |
ASoC: add locking to mpc5200-psc-ac97 driver
AC97 bus register read/write hooks need to provide locking, but the
mpc5200-psc-ac97 driver does not. This patch adds a mutex around
the register access routines.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/fsl/mpc5200_dma.h')
| -rw-r--r-- | sound/soc/fsl/mpc5200_dma.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h index 2000803f06a..8d396bb9d9f 100644 --- 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; |