[GTALUG] VL805 USB3 controller. Was Re: Need to get rid of old computer parts

[Lennart Sorensen]

On Thu, Oct 15, 2015 at 12:21:59PM -0400, Alex Volkov wrote:
> Hello everyone,
> 
> I have a bit of followup on the USB3 issue on VIA VL805. After updating
> Linux kernel to 4.2.0-1 USB3 I was able to successfully copy bulk data
> using the front panel. In general the computer appears to be very
> stable, so I didn't bother with checking BIOS settings as the culprit
> was buggy USB3 kernel drivers.
> 
> USB controller info from lspci:
> 02:00.0 USB controller: VIA Technologies, Inc. VL805 USB 3.0 Host
> Controller (rev 01)
> 
> Card reader \w USB3 header connector info from lsusb:
> Bus 002 Device 002: ID 0bda:0301 Realtek Semiconductor Corp. multicard
> reader

Great, so now it works.

What is the transfer rate like?  Does 'lsusb -t' nicely show it as a
superspeed device?

# lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
    |__ Port 5: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/15p, 480M
    |__ Port 3: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M
        |__ Port 1: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M
            |__ Port 1: Dev 6, If 0, Class=Mass Storage, Driver=usb-storage, 480M
    |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
    |__ Port 11: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
    |__ Port 12: Dev 7, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M

Nice to see 5000M on some devices after all.

-- 
Len Sorensen