From: Phil Elwell <phil@xxxxxxxxxxxxxxx> checkpatch.pl complains about missing comments at mutex/spinlock definitions. So add them accordingly. Link: https://github.com/raspberrypi/linux/pull/6139/ Signed-off-by: Phil Elwell <phil@xxxxxxxxxxxxxxx> Signed-off-by: Stefan Wahren <wahrenst@xxxxxxx> --- .../vc04_services/interface/vchiq_arm/vchiq_core.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 3c7a6838ddba..3abcd6910f25 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -196,6 +196,8 @@ struct vchiq_service { struct completion remove_event; struct completion bulk_remove_event; + + /* Serialise access to the bulk transfer queues */ struct mutex bulk_mutex; struct service_stats_struct { @@ -312,7 +314,7 @@ struct vchiq_state { /* Event indicating connect message received */ struct completion connect; - /* Mutex protecting services */ + /* Mutex protecting service creation */ struct mutex mutex; struct vchiq_instance **instance; @@ -341,16 +343,22 @@ struct vchiq_state { char *rx_data; struct vchiq_slot_info *rx_info; + /* Serialise access to the main message slots */ struct mutex slot_mutex; + /* Serialise slot refcount updates */ struct mutex recycle_mutex; + /* Serialise access to the single synchronous message slot */ struct mutex sync_mutex; + /* Serialise access to the message queues to userspace */ spinlock_t msg_queue_spinlock; + /* Serialise completion of blocking transfers */ spinlock_t bulk_waiter_spinlock; + /* Serialise updates to slot quota data */ spinlock_t quota_spinlock; /* -- 2.34.1