diff options
| author | Christopher Pascoe <pascoe@cvs.openbsd.org> | 2007-03-18 05:55:25 +0000 |
|---|---|---|
| committer | Christopher Pascoe <pascoe@cvs.openbsd.org> | 2007-03-18 05:55:25 +0000 |
| commit | dda08a757bf5626de461e2fdf58d05bae67b4272 (patch) | |
| tree | 9f5bbe3b3b8342e7770847e0cef0db098753675b /sys/dev | |
| parent | a0e3bea96b703f118dbed4d6044c111ca5e95e9e (diff) | |
Save SOF (frame timing adjustment) before the very first host controller
reset, rather than at suspend/resume, otherwise any BIOS inserted value
is lost immediately.
ok dlg@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/uhci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c index 00e34cfc7c8..e83cecaadb1 100644 --- a/sys/dev/usb/uhci.c +++ b/sys/dev/usb/uhci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uhci.c,v 1.48 2006/06/23 06:27:11 miod Exp $ */ +/* $OpenBSD: uhci.c,v 1.49 2007/03/18 05:55:24 pascoe Exp $ */ /* $NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $ */ /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ @@ -409,10 +409,16 @@ uhci_init(uhci_softc_t *sc) uhci_dumpregs(sc); #endif + /* Save SOF over HC reset. */ + sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); + UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ uhci_globalreset(sc); /* reset the controller */ uhci_reset(sc); + /* Restore saved SOF. */ + UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); + /* Allocate and initialize real frame array. */ err = usb_allocmem(&sc->sc_bus, UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), @@ -720,7 +726,6 @@ uhci_power(int why, void *v) /* save some state if BIOS doesn't */ sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); - sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */ |