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Add another power up wait so that some devices (that do not follow

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the spec) start up more reliably.
This commit is contained in:
augustss 1998-12-28 02:23:25 +00:00
parent cd36ca65dd
commit 2e0dbd3cc0
1 changed files with 4 additions and 4 deletions
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8
sys/dev/usb/uhub.c
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@ -1,4 +1,4 @@
/* $NetBSD: uhub.c,v 1.11 1998/12/26 12:53:02 augustss Exp $ */ /* $NetBSD: uhub.c,v 1.12 1998/12/28 02:23:25 augustss Exp $ */
/* /*
* Copyright (c) 1998 The NetBSD Foundation, Inc. * Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -267,10 +267,10 @@ uhub_init_port(up)
port, pstatus, UGETW(up->status.wPortChange))); port, pstatus, UGETW(up->status.wPortChange)));
if ((pstatus & UPS_PORT_POWER) == 0) { if ((pstatus & UPS_PORT_POWER) == 0) {
/* Port lacks power, turn it on */ /* Port lacks power, turn it on */
#if 0
/* First let the device go through a good power cycle, */ /* First let the device go through a good power cycle, */
usbd_delay_ms(dev->bus, USB_POWER_DOWN_TIME); usbd_delay_ms(dev->bus, USB_PORT_POWER_DOWN_TIME);
#endif
/* then turn the power on. */ /* then turn the power on. */
r = usbd_set_port_feature(dev, port, UHF_PORT_POWER); r = usbd_set_port_feature(dev, port, UHF_PORT_POWER);
if (r != USBD_NORMAL_COMPLETION) if (r != USBD_NORMAL_COMPLETION)