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[media] bt8xx: use pci_dev->subsystem_{vendor|device}

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The driver reads PCI subsystem IDs from the PCI configuration registers while
they are already stored by the PCI subsystem in the 'subsystem_{vendor|device}'
fields of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sergei Shtylyov 2011-07-22 15:16:04 -03:00 committed by Mauro Carvalho Chehab
parent 119faf90ed
commit fa14001480
1 changed files with 2 additions and 5 deletions
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7
drivers/media/video/bt8xx/bttv-cards.c
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@ -2892,13 +2892,10 @@ void __devinit bttv_idcard(struct bttv *btv)
{ {
unsigned int gpiobits; unsigned int gpiobits;
int i,type; int i,type;
unsigned short tmp;
/* read PCI subsystem ID */ /* read PCI subsystem ID */
pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_ID, &tmp); btv->cardid = btv->c.pci->subsystem_device << 16;
btv->cardid = tmp << 16; btv->cardid |= btv->c.pci->subsystem_vendor;
pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_VENDOR_ID, &tmp);
btv->cardid |= tmp;
if (0 != btv->cardid && 0xffffffff != btv->cardid) { if (0 != btv->cardid && 0xffffffff != btv->cardid) {
/* look for the card */ /* look for the card */