Is there a way to reinitialize USB ports without restarting the computer?

Two of my USB 3 ports stop working.

lsusb -t
/:  Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
/:  Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
/:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/4p, 12M
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/2p, 12M
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
    |__ Port 3: Dev 13, If 0, Class=Human Interface Device,
Driver=usbhid, 12M
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
    |__ Port 4: Dev 2, If 0, Class=Human Interface Device,
Driver=usbhid, 12M
    |__ Port 4: Dev 2, If 1, Class=Human Interface Device,
Driver=usbhid, 12M
    |__ Port 4: Dev 2, If 2, Class=Human Interface Device,
Driver=usbhid, 12M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/4p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M


-- 
Thelma

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