diff options
Diffstat (limited to 'sys/dev/usb/ohci.c')
| -rw-r--r-- | sys/dev/usb/ohci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/usb/ohci.c b/sys/dev/usb/ohci.c index 145590ee6655..891a025f4d10 100644 --- a/sys/dev/usb/ohci.c +++ b/sys/dev/usb/ohci.c @@ -1,4 +1,4 @@ -/* $NetBSD: ohci.c,v 1.83 2000/03/29 01:46:26 augustss Exp $ */ +/* $NetBSD: ohci.c,v 1.85 2000/04/01 09:27:35 augustss Exp $ */ /* $FreeBSD$ */ /* @@ -831,9 +831,14 @@ ohci_init(ohci_softc_t *sc) desca = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca | OHCI_NOCP); OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC); /* Enable port power */ - usb_delay_ms(&sc->sc_bus, 5); + usb_delay_ms(&sc->sc_bus, OHCI_ENABLE_POWER_DELAY); OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca); + /* + * The AMD756 requires a delay before re-reading the register, + * otherwise it will occasionally report 0 ports. + */ + usb_delay_ms(&sc->sc_bus, OHCI_READ_DESC_DELAY); sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A)); #ifdef OHCI_DEBUG |