Fwd: PL2303 unknown device type in kernel

[Pere Blay <pereblay@xxxxxxxxx>]

Hi and thanks,

I get this message when plugin a usb device wich uses a usb-serial converter:

[ 5097.161310] usb 1-3.4.1: New USB device found, idVendor=067b,
idProduct=23d3, bcdDevice= 4.00
[ 5097.161326] usb 1-3.4.1: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 5097.161332] usb 1-3.4.1: Product: USB-Serial Controller
[ 5097.161336] usb 1-3.4.1: Manufacturer: Prolific Technology Inc.
[ 5097.161340] usb 1-3.4.1: SerialNumber: DGARb193428
[ 5097.170447] pl2303 1-3.4.1:1.0: pl2303 converter detected
[ 5097.170470] pl2303 1-3.4.1:1.0: unknown device type, please report
to linux-usb@xxxxxxxxxxxxxx

Then, I'm reporting.

My system:

$ uname -r
5.17.5-051705-generic

Output of lsusb:
$lsusb -d 067b:23d3 -v

Bus 001 Device 017: ID 067b:23d3 Prolific Technology, Inc. USB-Serial Controller
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x067b Prolific Technology, Inc.
  idProduct          0x23d3
  bcdDevice            4.00
  iManufacturer           1 Prolific Technology Inc.
  iProduct                2 USB-Serial Controller
  iSerial                 3 DGARb193428
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0027
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x000a  1x 10 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)

Anything to make it work? thanks a lot.
Pere Blay