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path: root/drivers/media/pci/cx25821/cx25821-core.c
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Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-core.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-core.c21
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index 48faf6fc273d..6205ade04a97 100644
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -41,13 +41,6 @@ static unsigned int card[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");
-static unsigned int cx25821_devcount;
-
-DEFINE_MUTEX(cx25821_devlist_mutex);
-EXPORT_SYMBOL(cx25821_devlist_mutex);
-LIST_HEAD(cx25821_devlist);
-EXPORT_SYMBOL(cx25821_devlist);
-
const struct sram_channel cx25821_sram_channels[] = {
[SRAM_CH00] = {
.i = SRAM_CH00,
@@ -871,6 +864,7 @@ static void cx25821_iounmap(struct cx25821_dev *dev)
static int cx25821_dev_setup(struct cx25821_dev *dev)
{
+ static unsigned int cx25821_devcount;
int i;
pr_info("\n***********************************\n");
@@ -879,15 +873,9 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
mutex_init(&dev->lock);
- atomic_inc(&dev->refcount);
-
dev->nr = ++cx25821_devcount;
sprintf(dev->name, "cx25821[%d]", dev->nr);
- mutex_lock(&cx25821_devlist_mutex);
- list_add_tail(&dev->devlist, &cx25821_devlist);
- mutex_unlock(&cx25821_devlist_mutex);
-
if (dev->pci->device != 0x8210) {
pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n",
__func__, dev->pci->device);
@@ -1021,9 +1009,6 @@ void cx25821_dev_unregister(struct cx25821_dev *dev)
release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0));
- if (!atomic_dec_and_test(&dev->refcount))
- return;
-
for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; i++) {
if (i == SRAM_CH08) /* audio channel */
continue;
@@ -1414,10 +1399,6 @@ static void cx25821_finidev(struct pci_dev *pci_dev)
if (pci_dev->irq)
free_irq(pci_dev->irq, dev);
- mutex_lock(&cx25821_devlist_mutex);
- list_del(&dev->devlist);
- mutex_unlock(&cx25821_devlist_mutex);
-
cx25821_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);
kfree(dev);

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