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 <[email protected]> --- The patch is against the recent Linus' tree. drivers/media/video/bt8xx/bttv-cards.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) Index: linux-2.6/drivers/media/video/bt8xx/bttv-cards.c =================================================================== --- linux-2.6.orig/drivers/media/video/bt8xx/bttv-cards.c +++ linux-2.6/drivers/media/video/bt8xx/bttv-cards.c @@ -2892,13 +2892,10 @@ void __devinit bttv_idcard(struct bttv * { unsigned int gpiobits; int i,type; - unsigned short tmp; /* read PCI subsystem ID */ - pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_ID, &tmp); - btv->cardid = tmp << 16; - pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_VENDOR_ID, &tmp); - btv->cardid |= tmp; + btv->cardid = btv->c.pci->subsystem_device << 16; + btv->cardid |= btv->c.pci->subsystem_vendor; if (0 != btv->cardid && 0xffffffff != btv->cardid) { /* look for the card */ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
