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author | 2006-10-03 20:44:12 -0300 | |
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committer | 2006-10-04 08:06:50 -0300 | |
commit | e491cbc8b2eabc8856bf890006604edd91b1cce2 (patch) | |
tree | ded403fd4d2a7e159ba001c66a4373695629df42 /drivers/media | |
parent | V4L/DVB (4706): Do not enable VIDEO_V4L2 unconditionally (diff) | |
download | linux-e491cbc8b2eabc8856bf890006604edd91b1cce2.tar.gz linux-e491cbc8b2eabc8856bf890006604edd91b1cce2.tar.bz2 linux-e491cbc8b2eabc8856bf890006604edd91b1cce2.zip |
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>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/zoran_card.c | 10 | ||||
-rw-r--r-- | drivers/media/video/zr36120.c | 21 |
2 files changed, 18 insertions, 13 deletions
diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c index 9f21d0ba0f0f..653822ce391c 100644 --- a/drivers/media/video/zoran_card.c +++ b/drivers/media/video/zoran_card.c @@ -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"); } diff --git a/drivers/media/video/zr36120.c b/drivers/media/video/zr36120.c index 9240638a0134..b5ffe53c40d8 100644 --- a/drivers/media/video/zr36120.c +++ b/drivers/media/video/zr36120.c @@ -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; |