diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2012-01-16 15:32:21 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-01-16 15:32:21 +0530 |
| commit | 7919e929aa227048738e14df6bcbad3ee4458443 (patch) | |
| tree | 0c38267369fa636d7435bf22af39e3783a24ef62 /Documentation/usb/usbmon.txt | |
| parent | fcbd75c6b179b717b074d0cb7490e42ae728fb2d (diff) | |
| parent | 93dad393c796013cb6371be63d7af600c5e36c2c (diff) | |
Merge branch 'linux-3.1.y' into android-tegra-nv-3.1
Linux 3.1.9
Conflicts:
Makefile
Change-Id: I22227ab33ba7ddaba8e6fe049393c58a83d73648
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'Documentation/usb/usbmon.txt')
| -rw-r--r-- | Documentation/usb/usbmon.txt | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt index a4efa0462f05..5335fa8b06eb 100644 --- a/Documentation/usb/usbmon.txt +++ b/Documentation/usb/usbmon.txt @@ -47,10 +47,11 @@ This allows to filter away annoying devices that talk continuously. 2. Find which bus connects to the desired device -Run "cat /proc/bus/usb/devices", and find the T-line which corresponds to -the device. Usually you do it by looking for the vendor string. If you have -many similar devices, unplug one and compare two /proc/bus/usb/devices outputs. -The T-line will have a bus number. Example: +Run "cat /sys/kernel/debug/usb/devices", and find the T-line which corresponds +to the device. Usually you do it by looking for the vendor string. If you have +many similar devices, unplug one and compare the two +/sys/kernel/debug/usb/devices outputs. The T-line will have a bus number. +Example: T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 @@ -58,7 +59,10 @@ P: Vendor=0557 ProdID=2004 Rev= 1.00 S: Manufacturer=ATEN S: Product=UC100KM V2.00 -Bus=03 means it's bus 3. +"Bus=03" means it's bus 3. Alternatively, you can look at the output from +"lsusb" and get the bus number from the appropriate line. Example: + +Bus 003 Device 002: ID 0557:2004 ATEN UC100KM V2.00 3. Start 'cat' |