diff options
| author | Todd T. Fries <todd@cvs.openbsd.org> | 2003-05-17 11:19:25 +0000 |
|---|---|---|
| committer | Todd T. Fries <todd@cvs.openbsd.org> | 2003-05-17 11:19:25 +0000 |
| commit | 643a8823fa75b71f1a12b8fa56fb73e98aae2eb4 (patch) | |
| tree | 4d175ddc137941cb5da27c9f09c6928f64c21bc9 | |
| parent | bed6a4cb9778c43e5856440931132d8093869858 (diff) | |
try a little harder to not end up with 0 usb ports on amd756 chipsets
ok nate@
| -rw-r--r-- | sys/dev/usb/ohci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/usb/ohci.c b/sys/dev/usb/ohci.c index dc9f3aa1084..0eb713e9cfb 100644 --- a/sys/dev/usb/ohci.c +++ b/sys/dev/usb/ohci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ohci.c,v 1.32 2002/10/12 01:09:44 krw Exp $ */ +/* $OpenBSD: ohci.c,v 1.33 2003/05/17 11:19:24 todd Exp $ */ /* $NetBSD: ohci.c,v 1.104 2001/09/28 23:57:21 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/ohci.c,v 1.22 1999/11/17 22:33:40 n_hibma Exp $ */ @@ -854,8 +854,11 @@ ohci_init(ohci_softc_t *sc) * 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)); + sc->sc_noport = 0; + for (i = 0; i < 10 && sc->sc_noport == 0; i++) { + 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 if (ohcidebug > 5) |