Comment 15 for bug 1929902

@chaoqin

Tried the latest BIOS and ubuntu desktop image[1].
But, I didnt' see 0x0c03fe in dmesg log.
Do I need to enable USB-dw3 in BIOS? How to enable it in BIOS settings?

$ dmesg | grep -e c0330 -e c03fe
[ 1.043065] pci 0000:00:14.0: [8086:4b7d] type 00 class 0x0c0330

$ sudo dmidecode -s bios-version
EHLSFWI1.R00.3162.A01.2104131432

$ sudo modprobe dwc3_pci
$ sudo modprobe dwc3
$ lsmod | grep dwc3
dwc3 143360 0
ulpi 20480 1 dwc3
udc_core 69632 1 dwc3
dwc3_pci 20480 0

$ sudo lspci -v
00:14.0 USB controller: Intel Corporation Device 4b7d (rev 11) (prog-if 30 [XHCI])
 Subsystem: Intel Corporation Device 7270
 Flags: bus master, medium devsel, latency 0, IRQ 127
 Memory at 6001340000 (64-bit, non-prefetchable) [size=64K]
 Capabilities: [70] Power Management version 2
 Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
 Capabilities: [90] Vendor Specific Information: Len=14 <?>
 Capabilities: [b0] Vendor Specific Information: Len=00 <?>
 Kernel driver in use: xhci_hcd
 Kernel modules: xhci_pci

$ dpkg -l | grep linux-image
ii linux-image-5.11.0-1012-intel 5.11.0-1012.14 amd64 Signed kernel image generic
ii linux-image-intel 5.11.0.1012.15 amd64 Generic Linux kernel image

$ uname -a
Linux u-ehl 5.11.0-1012-intel #14-Ubuntu SMP Wed Aug 11 08:52:10 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

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[1] https://private-fileshare.canonical.com/~brian/iotg-focal-desktop-20210813.img