[BK-2020-03.git] / user / bkusbreset

#!/bin/bash
# script to force reset USB devices
# soruce: http://billauer.co.il/blog/2013/02/usb-reset-ehci-uhci-linux/


if [[ $EUID != 0 ]] ; then
  echo This must be run as root!
  exit 1
fi

for xhci in /sys/bus/pci/drivers/?hci_hcd ; do

  if ! cd $xhci ; then
    echo Weird error. Failed to change directory to $xhci
    exit 1
  fi

  echo Resetting devices from $xhci...

  for i in ????:??:??.? ; do
    echo -n "$i" > unbind
    echo -n "$i" > bind
  done
done
Commit	Line	Data
0d22dfcd SBS	1	#!/bin/bash
	2	# script to force reset USB devices
	3	# soruce: http://billauer.co.il/blog/2013/02/usb-reset-ehci-uhci-linux/
	4
	5
	6	if [[ $EUID != 0 ]] ; then
	7	echo This must be run as root!
	8	exit 1
	9	fi
	10
	11	for xhci in /sys/bus/pci/drivers/?hci_hcd ; do
	12
	13	if ! cd $xhci ; then
	14	echo Weird error. Failed to change directory to $xhci
	15	exit 1
	16	fi
	17
	18	echo Resetting devices from $xhci...
	19
	20	for i in ????:??:??.? ; do
	21	echo -n "$i" > unbind
	22	echo -n "$i" > bind
	23	done
	24	done