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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];
/* Protects cx18_cards_active */
DEFINE_SPINLOCK(cx18_cards_lock);
-/* Queue for deferrable IRQ handling work for all cx18 cards in system */
-struct workqueue_struct *cx18_work_queue;
-
/* add your revision and whatnot here */
static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
{PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
@@ -446,6 +443,12 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
spin_lock_init(&cx->lock);
+ cx->work_queue = create_singlethread_workqueue(cx->name);
+ if (cx->work_queue == NULL) {
+ CX18_ERR("Unable to create work hander thread\n");
+ return -ENOMEM;
+ }
+
for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
cx->epu_work_order[i].cx = cx;
cx->epu_work_order[i].str = cx->epu_debug_str;
@@ -655,12 +658,9 @@ static int __devinit cx18_probe(struct pci_dev *dev,
/* PCI Device Setup */
retval = cx18_setup_pci(cx, dev, pci_id);
- if (retval != 0) {
- if (retval == -EIO)
- goto free_workqueue;
- else if (retval == -ENXIO)
- goto free_mem;
- }
+ if (retval != 0)
+ goto free_workqueue;
+
/* save cx in the pci struct for later use */
pci_set_drvdata(dev, cx);
@@ -830,6 +830,7 @@ free_map:
free_mem:
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
free_workqueue:
+ destroy_workqueue(cx->work_queue);
err:
if (retval == 0)
retval = -ENODEV;
@@ -938,6 +939,8 @@ static void cx18_remove(struct pci_dev *pci_dev)
cx18_cancel_epu_work_orders(cx);
+ destroy_workqueue(cx->work_queue);
+
cx18_streams_cleanup(cx, 1);
exit_cx18_i2c(cx);
@@ -979,17 +982,8 @@ static int module_start(void)
printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
}
- cx18_work_queue = create_singlethread_workqueue("cx18");
- if (cx18_work_queue == NULL) {
- printk(KERN_ERR
- "cx18: Unable to create work hander thread\n");
- return -ENOMEM;
- }
-
if (pci_register_driver(&cx18_pci_driver)) {
printk(KERN_ERR "cx18: Error detecting PCI card\n");
- destroy_workqueue(cx18_work_queue);
- cx18_work_queue = NULL;
return -ENODEV;
}
printk(KERN_INFO "cx18: End initialization\n");
@@ -1002,9 +996,6 @@ static void module_cleanup(void)
pci_unregister_driver(&cx18_pci_driver);
- destroy_workqueue(cx18_work_queue);
- cx18_work_queue = NULL;
-
for (i = 0; i < cx18_cards_active; i++) {
if (cx18_cards[i] == NULL)
continue;