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path: root/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
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Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c')
-rw-r--r--drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index d567a2e3f70c..e429b33b4d39 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -11,7 +11,7 @@ struct bcm2835_audio_instance {
struct device *dev;
unsigned int service_handle;
struct completion msg_avail_comp;
- struct mutex vchi_mutex;
+ struct mutex vchi_mutex; /* Serialize vchiq access */
struct bcm2835_alsa_stream *alsa_stream;
int result;
unsigned int max_packet;