diff options
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
| -rw-r--r-- | drivers/ptp/ptp_clock.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index 74f1ce2dbccb..ed16d9787ce9 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -183,6 +183,7 @@ static void ptp_clock_release(struct device *dev) spin_lock_irqsave(&tsevq->lock, flags); list_del(&tsevq->qlist); spin_unlock_irqrestore(&tsevq->lock, flags); + bitmap_free(tsevq->mask); kfree(tsevq); ida_free(&ptp_clocks_map, ptp->index); kfree(ptp); @@ -243,6 +244,10 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, if (!queue) goto no_memory_queue; list_add_tail(&queue->qlist, &ptp->tsevqs); + queue->mask = bitmap_alloc(PTP_MAX_CHANNELS, GFP_KERNEL); + if (!queue->mask) + goto no_memory_bitmap; + bitmap_set(queue->mask, 0, PTP_MAX_CHANNELS); spin_lock_init(&queue->lock); mutex_init(&ptp->pincfg_mux); mutex_init(&ptp->n_vclocks_mux); @@ -346,6 +351,8 @@ no_mem_for_vclocks: kworker_err: mutex_destroy(&ptp->pincfg_mux); mutex_destroy(&ptp->n_vclocks_mux); + bitmap_free(queue->mask); +no_memory_bitmap: list_del(&queue->qlist); kfree(queue); no_memory_queue: @@ -400,9 +407,10 @@ void ptp_clock_event(struct ptp_clock *ptp, struct ptp_clock_event *event) break; case PTP_CLOCK_EXTTS: - /* Enqueue timestamp on all queues */ + /* Enqueue timestamp on selected queues */ list_for_each_entry(tsevq, &ptp->tsevqs, qlist) { - enqueue_external_timestamp(tsevq, event); + if (test_bit((unsigned int)event->index, tsevq->mask)) + enqueue_external_timestamp(tsevq, event); } wake_up_interruptible(&ptp->tsev_wq); break; |