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| author | simokawa <simokawa@FreeBSD.org> | 2007-03-19 03:35:45 +0000 |
|---|---|---|
| committer | simokawa <simokawa@FreeBSD.org> | 2007-03-19 03:35:45 +0000 |
| commit | 60fa0cb729b564b2c9fd67ba0d8d624f4e70a1b6 (patch) | |
| tree | 9bae7ec8d6853c5152c1dbc6d87f610d5e6201a6 /sys/dev/firewire | |
| parent | 2c331826101928bb2b6ff11b995d39fad10e1d7e (diff) | |
| download | FreeBSD-src-60fa0cb729b564b2c9fd67ba0d8d624f4e70a1b6.zip FreeBSD-src-60fa0cb729b564b2c9fd67ba0d8d624f4e70a1b6.tar.gz | |
Wait SCLK to be stable after LPS enabled.
This should fix NMI problem in fwphy_rddata().
PR: kern/94146 kern/100356
MFC: after 3 days
Diffstat (limited to 'sys/dev/firewire')
| -rw-r--r-- | sys/dev/firewire/fwohci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/firewire/fwohci.c b/sys/dev/firewire/fwohci.c index 98de97d..e5285b6 100644 --- a/sys/dev/firewire/fwohci.c +++ b/sys/dev/firewire/fwohci.c @@ -423,6 +423,8 @@ fwohci_probe_phy(struct fwohci_softc *sc, device_t dev) * It is not actually available port on your PC . */ OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LPS); + DELAY(500); + reg = fwphy_rddata(sc, FW_PHY_SPD_REG); if((reg >> 5) != 7 ){ |
