diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-driver.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-driver.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 90daa6e751d8..07c5c18a25cb 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -705,6 +705,8 @@ done: */ static int __devinit ivtv_init_struct1(struct ivtv *itv) { + struct sched_param param = { .sched_priority = 99 }; + itv->base_addr = pci_resource_start(itv->pdev, 0); itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */ itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */ @@ -716,13 +718,17 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv) spin_lock_init(&itv->lock); spin_lock_init(&itv->dma_reg_lock); - itv->irq_work_queues = create_singlethread_workqueue(itv->v4l2_dev.name); - if (itv->irq_work_queues == NULL) { - IVTV_ERR("Could not create ivtv workqueue\n"); + init_kthread_worker(&itv->irq_worker); + itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker, + itv->v4l2_dev.name); + if (IS_ERR(itv->irq_worker_task)) { + IVTV_ERR("Could not create ivtv task\n"); return -1; } + /* must use the FIFO scheduler as it is realtime sensitive */ + sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, ¶m); - INIT_WORK(&itv->irq_work_queue, ivtv_irq_work_handler); + init_kthread_work(&itv->irq_work, ivtv_irq_work_handler); /* start counting open_id at 1 */ itv->open_id = 1; @@ -1006,7 +1012,7 @@ static int __devinit ivtv_probe(struct pci_dev *pdev, /* PCI Device Setup */ retval = ivtv_setup_pci(itv, pdev, pci_id); if (retval == -EIO) - goto free_workqueue; + goto free_worker; if (retval == -ENXIO) goto free_mem; @@ -1218,8 +1224,8 @@ free_mem: release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE); if (itv->has_cx23415) release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE); -free_workqueue: - destroy_workqueue(itv->irq_work_queues); +free_worker: + kthread_stop(itv->irq_worker_task); err: if (retval == 0) retval = -ENODEV; @@ -1363,9 +1369,9 @@ static void ivtv_remove(struct pci_dev *pdev) ivtv_set_irq_mask(itv, 0xffffffff); del_timer_sync(&itv->dma_timer); - /* Stop all Work Queues */ - flush_workqueue(itv->irq_work_queues); - destroy_workqueue(itv->irq_work_queues); + /* Kill irq worker */ + flush_kthread_worker(&itv->irq_worker); + kthread_stop(itv->irq_worker_task); ivtv_streams_cleanup(itv, 1); ivtv_udma_free(itv); |