Gentoo Archives: gentoo-user

From: Grant <emailgrant@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Which USB device on which controller?
Date: Fri, 27 Feb 2009 05:42:42
Message-Id: 49bf44f10902262142u68d0a789g336e23849987494d@mail.gmail.com
In Reply to: Re: [gentoo-user] Which USB device on which controller? by Dale
1 >> My system seems to have 2 USB controllers, one 1.1 controller (OHCI)
2 >> and one 2.0 controller (EHCI):
3 >>
4 >> 00:02.0 USB Controller: nVidia Corporation MCP61 USB Controller (rev
5 >> a3) (prog-if 10 [OHCI])
6 >>       Subsystem: Micro-Star International Co., Ltd. Device 7309
7 >>       Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21
8 >>       Memory at dfe7f000 (32-bit, non-prefetchable) [size=4K]
9 >>       Capabilities: [44] Power Management version 2
10 >>       Kernel driver in use: ohci_hcd
11 >>
12 >> 00:02.1 USB Controller: nVidia Corporation MCP61 USB Controller (rev
13 >> a3) (prog-if 20 [EHCI])
14 >>       Subsystem: Micro-Star International Co., Ltd. Device 7309
15 >>       Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22
16 >>       Memory at dfe7ec00 (32-bit, non-prefetchable) [size=256]
17 >>       Capabilities: [44] Debug port: BAR=1 offset=0098
18 >>       Capabilities: [80] Power Management version 2
19 >>       Kernel driver in use: ehci_hcd
20 >>
21 >> I have 2 Philips USB webcams attached to this system and controlled by
22 >> media-video/motion.  One of the webcams is not functioning, and I'm
23 >> supposed to make sure I don't have both of them attached to the USB
24 >> 1.1 controller.  How can I do that?  I have:
25 >>
26 >> # lsusb
27 >> Bus 001 Device 003: ID 04f9:002a Brother Industries, Ltd
28 >> Bus 001 Device 001: ID 1d6b:0002
29 >> Bus 002 Device 003: ID 0471:0329 Philips
30 >> Bus 002 Device 002: ID 0471:0329 Philips
31 >> Bus 002 Device 001: ID 1d6b:0001
32 >>
33 >> Is there any way to find out?
34 >>
35 >> - Grant
36 >>
37 >>
38 >>
39 >
40 >
41 > I !think! mine has that too.  This is the usb part of my config:
42 >
43 > root@smoker / # cat /usr/src/linux/.config | grep USB | grep =y
44 > CONFIG_USB_HID=y
45 > CONFIG_USB_SUPPORT=y
46 > CONFIG_USB_ARCH_HAS_HCD=y
47 > CONFIG_USB_ARCH_HAS_OHCI=y
48 > CONFIG_USB_ARCH_HAS_EHCI=y
49 > CONFIG_USB=y
50 > CONFIG_USB_DEVICEFS=y
51 > CONFIG_USB_OHCI_HCD=y
52 > CONFIG_USB_OHCI_LITTLE_ENDIAN=y
53 > CONFIG_USB_ACM=y
54 > CONFIG_USB_PRINTER=y
55 > CONFIG_USB_STORAGE=y
56 > root@smoker / #
57 >
58 > With mine, it tries 2.0 first then goes to the first version.  My
59 > printer is 2.0 but my camera is the old version, or maybe it is the
60 > other way around.  I got a memory stick that connects 2.0 to.  Anyway,
61 > that works here and it may work for you.
62 >
63 > Dale
64
65 So it doesn't matter which slots the webcams are plugged into?
66
67 - Grant

Replies

Subject Author
[gentoo-user] Re: Which USB device on which controller? Grant Edwards <grante@××××.com>
Re: [gentoo-user] Which USB device on which controller? Dale <rdalek1967@×××××.com>