Reset Linux USB subsystem without rebooting

reset-usb-sbc.sh

#!/bin/bash

# root privilege required

if cd /sys/bus/platform/drivers/ehci-platform >& /dev/null; then
for dev in *.usb; do
echo -n $dev > unbind
echo -n $dev > bind
done
fi

if cd /sys/bus/platform/drivers/ohci-platform >& /dev/null; then
for dev in *.usb; do
echo -n $dev > unbind
echo -n $dev > bind
done
fi

reset-usb.sh

#!/bin/bash

# root privilege required

if cd /sys/bus/pci/drivers/ehci-pci >& /dev/null; then
for dev in 0000:*; do
echo -n $dev > unbind
echo -n $dev > bind
done
fi

if cd /sys/bus/pci/drivers/ehci_hcd >& /dev/null; then
for dev in 0000:*; do
echo -n $dev > unbind
echo -n $dev > bind
done
fi

if cd /sys/bus/pci/drivers/xhci_hcd >& /dev/null; then
for dev in 0000:*; do
echo -n $dev > unbind
echo -n $dev > bind
done
fi