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lsusb.8 - remove old comments and /proc/bus/usb lines
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They aren't relevant anymore.

This patch came from the suse usbutils repo.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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gregkh committed Apr 27, 2009
1 parent 8874a3a commit 7605fc7
Showing 1 changed file with 2 additions and 22 deletions.
24 changes: 2 additions & 22 deletions lsusb.8
Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,6 @@ lsusb \- list USB devices
is a utility for displaying information about USB buses in the system and
the devices connected to them.

To make use of all the features of this program,
you need to have a Linux kernel
which supports the /proc/bus/usb interface
(e.g., Linux kernel 2.3.15 or newer).

.SH OPTIONS
.TP
.B \-v, \-\-verbose
Expand All @@ -39,10 +34,10 @@ Show only devices with the specified vendor and product ID.
Both ID's are given in hexadecimal.
.TP
.B \-D \fIdevice\fP
Do not scan the /proc/bus/usb directory,
Do not scan the /dev/bus/usb directory,
instead display only information
about the device whose device file is given.
The device file should be something like /proc/bus/usb/001/001.
The device file should be something like /dev/bus/usb/001/001.
This option displays detailed information like the \fBv\fP option;
you must be root to do this.
.TP
Expand All @@ -55,28 +50,13 @@ to dump the physical USB device hierarchy as a tree.
Print version information on standard output,
then exit successfully.

.SH DIAGNOSTICS
.TP
cannot open /proc/bus/usb/\fInnn\fP/\fInnn\fP, Permission denied (13)
To get detailed information,
.I lsusb
must open the files in /proc/bus/usb in read-write mode.
You must be root in order to do this.

.SH RETURN VALUE
If the specified device is not found, a non-zero exit code is returned.

.SH FILES
.TP
.B /usr/share/usb.ids
A list of all known USB ID's (vendors, products, classes, subclasses and protocols).
.TP
.B /proc/bus/usb
An interface to USB devices provided by the post-2.3.15 Linux
kernels. Contains per-bus subdirectories with per-device files and a
.I devices
file displaying some of the descriptors for each USB device.
This interface is also support by some 2.2 Linux kernels.

.SH SEE ALSO
.BR lspci (8)
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