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rev. 1.68, author: mycroft
   Ignore a port error that happens to come in at the same time as a
   connect status change.  Some root hubs seem to report both.

Obtained from:   NetBSD
This commit is contained in:
Lukas Ertl 2004-07-01 21:14:03 +00:00
parent 862b46f607
commit c88e858068
1 changed files with 5 additions and 2 deletions
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7
sys/dev/usb/uhub.c
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@ -1,4 +1,4 @@
/* $NetBSD: uhub.c,v 1.64 2003/02/08 03:32:51 ichiro Exp $ */
/* $NetBSD: uhub.c,v 1.68 2004/06/29 06:30:05 mycroft Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -381,7 +381,10 @@ uhub_explore(usbd_device_handle dev)
if (change & UPS_C_PORT_ENABLED) {
DPRINTF(("uhub_explore: C_PORT_ENABLED\n"));
usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);
if (status & UPS_PORT_ENABLED) {
if (change & UPS_C_CONNECT_STATUS) {
/* Ignore the port error if the device
vanished. */
} else if (status & UPS_PORT_ENABLED) {
printf("%s: illegal enable change, port %d\n",
USBDEVNAME(sc->sc_dev), port);
} else {