diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c index 44b954daa74a..4b8554bc647e 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c @@ -84,20 +84,7 @@ void vchiu_queue_push(VCHIU_QUEUE_T *queue, VCHIQ_HEADER_T *header) flush_signals(current); } - /* - * Write to queue->storage must be visible after read from - * queue->read - */ - smp_mb(); - queue->storage[queue->write & (queue->size - 1)] = header; - - /* - * Write to queue->storage must be visible before write to - * queue->write - */ - smp_wmb(); - queue->write++; complete(&queue->push); @@ -112,12 +99,6 @@ VCHIQ_HEADER_T *vchiu_queue_peek(VCHIU_QUEUE_T *queue) complete(&queue->push); // We haven't removed anything from the queue. - /* - * Read from queue->storage must be visible after read from - * queue->write - */ - smp_rmb(); - return queue->storage[queue->read & (queue->size - 1)]; } @@ -130,20 +111,7 @@ VCHIQ_HEADER_T *vchiu_queue_pop(VCHIU_QUEUE_T *queue) flush_signals(current); } - /* - * Read from queue->storage must be visible after read from - * queue->write - */ - smp_rmb(); - header = queue->storage[queue->read & (queue->size - 1)]; - - /* - * Read from queue->storage must be visible before write to - * queue->read - */ - smp_mb(); - queue->read++; complete(&queue->pop); |