On my M10:
phablet@ubuntu-phablet:~$ zgrep HCI /proc/config.gz
# CONFIG_MTK_XHCI is not set
# CONFIG_MTK_TEST_XHCI is not set
# CONFIG_USB_ARCH_HAS_OHCI is not set
# CONFIG_USB_ARCH_HAS_EHCI is not set
# CONFIG_USB_ARCH_HAS_XHCI is not set
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_SDHCI_PXAV3 is not set
# CONFIG_MMC_SDHCI_PXAV2 is not set
# CONFIG_BACKPORT_BT_HCIBTUSB is not set
# CONFIG_BACKPORT_BT_HCIBTSDIO is not set
# CONFIG_BACKPORT_BT_HCIUART is not set
# CONFIG_BACKPORT_BT_HCIBCM203X is not set
# CONFIG_BACKPORT_BT_HCIBPA10X is not set
# CONFIG_BACKPORT_BT_HCIBFUSB is not set
CONFIG_BACKPORT_BT_HCISTP=y
CONFIG_BACKPORT_BT_HCIVHCI=y
phablet@ubuntu-phablet:~$

I'd conclude it is not configured. BTW why is the kernel without support
for modules? Is that an Android thing?

On 16 September 2016 at 15:21, Wayne Ward <i...@wayneward.co.uk> wrote:

> Does anybody know are can tell me if the ubuntu touch kernel
> has  xhci_hcd support built in ?
>
> on ubuntu laptop my cd writer shows
>
> [  104.033278] usb 3-1: new high-speed USB device number 3 using
> xhci_hcd
> [  104.222136] usb 3-1: New USB device found, idVendor=0e8d,
> idProduct=1806
> [  104.222142] usb 3-1: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [  104.222145] usb 3-1: Product: MT1887
> [  104.222148] usb 3-1: Manufacturer: MediaTek Inc
> [  104.222150] usb 3-1: SerialNumber: S17Y6YMG80065R
> [  104.225110] usb-storage 3-1:1.0: USB Mass Storage device detected
> [  104.225518] scsi host7: usb-storage 3-1:1.0
> [  105.228232] scsi 7:0:0:0: CD-ROM            TSSTcorp CDDVDW SE-
> 208GB  TS00 PQ: 0 ANSI: 0
> [  105.258924] sr 7:0:0:0: [sr0] scsi3-mmc drive: 8x/24x writer dvd-ram
> cd/rw xa/form2 cdda tray
> [  105.259243] sr 7:0:0:0: Attached scsi CD-ROM sr0
> [  105.259334] sr 7:0:0:0: Attached scsi generic sg1 type 5
>
> which created the device
> on ubuntu touch dmesg show the device but doesnt create the device im
> sure its not compiled in ? can anybody confirm if it is or isnt
> then i can submit this as a bug as it needs to be in ?... im sure
>
> Regards
> Wayne Ward
>
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