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path: root/drivers/media/video/cx18/cx18-driver.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.c')
-rw-r--r--drivers/media/video/cx18/cx18-driver.c33
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index fbcbb500ca74..a893caff0aa9 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -56,9 +56,6 @@ struct cx18 *cx18_cards[CX18_MAX_CARDS];
56/* Protects cx18_cards_active */ 56/* Protects cx18_cards_active */
57DEFINE_SPINLOCK(cx18_cards_lock); 57DEFINE_SPINLOCK(cx18_cards_lock);
58 58
59/* Queue for deferrable IRQ handling work for all cx18 cards in system */
60struct workqueue_struct *cx18_work_queue;
61
62/* add your revision and whatnot here */ 59/* add your revision and whatnot here */
63static struct pci_device_id cx18_pci_tbl[] __devinitdata = { 60static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
64 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, 61 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
@@ -446,6 +443,12 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
446 443
447 spin_lock_init(&cx->lock); 444 spin_lock_init(&cx->lock);
448 445
446 cx->work_queue = create_singlethread_workqueue(cx->name);
447 if (cx->work_queue == NULL) {
448 CX18_ERR("Unable to create work hander thread\n");
449 return -ENOMEM;
450 }
451
449 for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) { 452 for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
450 cx->epu_work_order[i].cx = cx; 453 cx->epu_work_order[i].cx = cx;
451 cx->epu_work_order[i].str = cx->epu_debug_str; 454 cx->epu_work_order[i].str = cx->epu_debug_str;
@@ -655,12 +658,9 @@ static int __devinit cx18_probe(struct pci_dev *dev,
655 658
656 /* PCI Device Setup */ 659 /* PCI Device Setup */
657 retval = cx18_setup_pci(cx, dev, pci_id); 660 retval = cx18_setup_pci(cx, dev, pci_id);
658 if (retval != 0) { 661 if (retval != 0)
659 if (retval == -EIO) 662 goto free_workqueue;
660 goto free_workqueue; 663
661 else if (retval == -ENXIO)
662 goto free_mem;
663 }
664 /* save cx in the pci struct for later use */ 664 /* save cx in the pci struct for later use */
665 pci_set_drvdata(dev, cx); 665 pci_set_drvdata(dev, cx);
666 666
@@ -830,6 +830,7 @@ free_map:
830free_mem: 830free_mem:
831 release_mem_region(cx->base_addr, CX18_MEM_SIZE); 831 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
832free_workqueue: 832free_workqueue:
833 destroy_workqueue(cx->work_queue);
833err: 834err:
834 if (retval == 0) 835 if (retval == 0)
835 retval = -ENODEV; 836 retval = -ENODEV;
@@ -938,6 +939,8 @@ static void cx18_remove(struct pci_dev *pci_dev)
938 939
939 cx18_cancel_epu_work_orders(cx); 940 cx18_cancel_epu_work_orders(cx);
940 941
942 destroy_workqueue(cx->work_queue);
943
941 cx18_streams_cleanup(cx, 1); 944 cx18_streams_cleanup(cx, 1);
942 945
943 exit_cx18_i2c(cx); 946 exit_cx18_i2c(cx);
@@ -979,17 +982,8 @@ static int module_start(void)
979 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); 982 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
980 } 983 }
981 984
982 cx18_work_queue = create_singlethread_workqueue("cx18");
983 if (cx18_work_queue == NULL) {
984 printk(KERN_ERR
985 "cx18: Unable to create work hander thread\n");
986 return -ENOMEM;
987 }
988
989 if (pci_register_driver(&cx18_pci_driver)) { 985 if (pci_register_driver(&cx18_pci_driver)) {
990 printk(KERN_ERR "cx18: Error detecting PCI card\n"); 986 printk(KERN_ERR "cx18: Error detecting PCI card\n");
991 destroy_workqueue(cx18_work_queue);
992 cx18_work_queue = NULL;
993 return -ENODEV; 987 return -ENODEV;
994 } 988 }
995 printk(KERN_INFO "cx18: End initialization\n"); 989 printk(KERN_INFO "cx18: End initialization\n");
@@ -1002,9 +996,6 @@ static void module_cleanup(void)
1002 996
1003 pci_unregister_driver(&cx18_pci_driver); 997 pci_unregister_driver(&cx18_pci_driver);
1004 998
1005 destroy_workqueue(cx18_work_queue);
1006 cx18_work_queue = NULL;
1007
1008 for (i = 0; i < cx18_cards_active; i++) { 999 for (i = 0; i < cx18_cards_active; i++) {
1009 if (cx18_cards[i] == NULL) 1000 if (cx18_cards[i] == NULL)
1010 continue; 1001 continue;