Cache PCI vendor/device ids to avoid unnecessary PCI configuration

space access in device probe.
Also nuke referencing softc in device probe.
This commit is contained in:
Pyun YongHyeon 2008-07-29 08:49:36 +00:00
parent be280562a1
commit 2229ae4a5e
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=180952

View File

@ -171,17 +171,14 @@ static int
bfe_probe(device_t dev)
{
struct bfe_type *t;
struct bfe_softc *sc;
uint16_t vendor, devid;
t = bfe_devs;
sc = device_get_softc(dev);
bzero(sc, sizeof(struct bfe_softc));
sc->bfe_dev = dev;
vendor = pci_get_vendor(dev);
devid = pci_get_device(dev);
while(t->bfe_name != NULL) {
if ((pci_get_vendor(dev) == t->bfe_vid) &&
(pci_get_device(dev) == t->bfe_did)) {
if (vendor == t->bfe_vid && devid == t->bfe_did) {
device_set_desc_copy(dev, t->bfe_name);
return (BUS_PROBE_DEFAULT);
}