On Thu, 6 Apr 2006, Greg KH wrote:
> On Thu, Apr 06, 2006 at 01:15:41PM -0400, Zoont Foomby wrote:
> > Hi all you crazy Linux USB hackers!
> >
> > Has anyone created a patch to allow one to disable a device on the USB
> > bus? It sure would be nice to be able to plug all of my USB storage
> > devices into my Linux box without having linux actually claim them for
> > use.
>
> You can disconnect any device from the driver by writing the device id
> to the "unbind" file in the /sys/bus/usb/driver/DRIVER_NAME/ directory
> in sysfs.
You can also unconfigure any USB device by doing
echo -n 0 >/sys/bus/usb/devices/DEVICE_NAME/bConfigurationValue
This will automatically unbind it from all its drivers (and in the case of
the iPod, presumably leave it happily recharging in user mode.
Alan Stern
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