Re: [gentoo-user] Re: USB ports reset/restart

On 03/06/2018 01:35 PM, Grant Edwards wrote:
> On 2018-03-06, thelma@×××××××××××.com <thelma@×××××××××××.com> wrote:
>
>> Is there a way to reinitialize USB ports without restarting the computer?
>
>
> Did none of these approaches work?
>
>    https://www.google.com/search?q=linux+restart+USB
>
ll /sys/bus/pci/drivers/ehci-pci/
total 0
lrwxrwxrwx 1 root root    0 Mar  6 16:35 0000:00:12.2 -> ../../../../devices/pci0000:00/0000:00:12.2
lrwxrwxrwx 1 root root    0 Mar  6 16:35 0000:00:13.2 -> ../../../../devices/pci0000:00/0000:00:13.2
lrwxrwxrwx 1 root root    0 Mar  6 16:35 0000:00:16.2 -> ../../../../devices/pci0000:00/0000:00:16.2

How to unbind these "entries" 0000:00:12.2, 0000:00:13.2, 0000:00:16.2

echo -n "0000:00:12.2" | tee /sys/bus/pci/drivers/xhci_hcd/unbind
0000:00:12.2tee: /sys/bus/pci/drivers/xhci_hcd/unbind: No such device

The above does not work.

--
Thelma