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V4L/DVB (4707): 4linux: complete conversion to hotplug safe PCI API 

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Alan Cox 2006-10-03 20:44:12 -03:00 committed by Mauro Carvalho Chehab
parent a868b45dad
commit e491cbc8b2
2 changed files with 18 additions and 13 deletions
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10
drivers/media/video/zoran_card.c
View File

@ -1278,9 +1278,7 @@ find_zr36057 (void)
zoran_num = 0;
while (zoran_num < BUZ_MAX &&
(dev =
pci_find_device(PCI_VENDOR_ID_ZORAN,
PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) {
(dev = pci_get_device(PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) {
card_num = card[zoran_num];
zr = &zoran[zoran_num];
memset(zr, 0, sizeof(struct zoran)); // Just in case if previous cycle failed
@ -1541,7 +1539,8 @@ find_zr36057 (void)
goto zr_detach_vfe;
}
}
/* Success so keep the pci_dev referenced */
pci_dev_get(zr->pci_dev);
zoran_num++;
continue;
@ -1563,6 +1562,9 @@ find_zr36057 (void)
iounmap(zr->zr36057_mem);
continue;
}
if (dev) /* Clean up ref count on early exit */
pci_dev_put(dev);
if (zoran_num == 0) {
dprintk(1, KERN_INFO "No known MJPEG cards found.\n");
}

21
drivers/media/video/zr36120.c
View File

@ -1840,16 +1840,16 @@ int __init find_zoran(void)
struct zoran *ztv;
struct pci_dev *dev = NULL;
unsigned char revision;
int zoran_num=0;
int zoran_num = 0;
while ((dev = pci_find_device(PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, dev)))
while ((dev = pci_get_device(PCI_VENDOR_ID_ZORAN,PCI_DEVICE_ID_ZORAN_36120, dev)))
{
/* Ok, a ZR36120/ZR36125 found! */
ztv = &zorans[zoran_num];
ztv->dev = dev;
if (pci_enable_device(dev))
return -EIO;
continue;
pci_read_config_byte(dev, PCI_CLASS_REVISION, &revision);
printk(KERN_INFO "zoran: Zoran %x (rev %d) ",
@ -1867,17 +1867,18 @@ int __init find_zoran(void)
{
iounmap(ztv->zoran_mem);
printk(KERN_ERR "zoran: Bad irq number or handler\n");
return -EINVAL;
continue;
}
if (result==-EBUSY)
printk(KERN_ERR "zoran: IRQ %d busy, change your PnP config in BIOS\n",dev->irq);
if (result < 0) {
iounmap(ztv->zoran_mem);
return result;
continue;
}
/* Enable bus-mastering */
pci_set_master(dev);
/* Keep a reference */
pci_dev_get(dev);
zoran_num++;
}
if(zoran_num)
@ -2041,6 +2042,9 @@ void release_zoran(int max)
if (ztv->zoran_mem)
iounmap(ztv->zoran_mem);
/* Drop PCI device */
pci_dev_put(ztv->dev);
video_unregister_device(&ztv->video_dev);
video_unregister_device(&ztv->vbi_dev);
}
@ -2057,13 +2061,12 @@ int __init zr36120_init(void)
handle_chipset();
zoran_cards = find_zoran();
if (zoran_cards<0)
/* no cards found, no need for a driver */
if (zoran_cards <= 0)
return -EIO;
/* initialize Zorans */
for (card=0; card<zoran_cards; card++) {
if (init_zoran(card)<0) {
if (init_zoran(card) < 0) {
/* only release the zorans we have registered */
release_zoran(card);
return -EIO;