On Fri, Feb 06, 2009 at 07:25:27PM -0400, Toan Pham wrote:
> Hi,
>
> I would like to know if it is possible to tell the USBcore/HCD to
> restart/reinitialize power to the USB bus and force redetection of all
> devices as if the machine has just booted up?
{sigh} did you try looking at the archives?
>
> Sometimes, my usb devices or hubs get into a start that it can not
> communicate with the computer at all. Disconnecting the usb cable
> and/or power to the powered usb hub solve the problem. I would like
> to know if I can so it by software, controller the driver to issue a
> restart on all devices. Thank you.
For most hardware, no, it's not possible. For some, it might be, see
the archives.
good luck,
greg k-h
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