USB BT dongle not triggering anything on the IMX6ULL-EVK

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USB BT dongle not triggering anything on the IMX6ULL-EVK

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gulmakispe
Contributor I

I am running the latest available kernel (5.15 something) using the yocto builds. This kernel version includes all the necessary drivers for my ble dongle (an rtl8761b usb).

When I insert the dongle into my dev board, nothing happens. No dmesg's flying on the screen which I'd expect, where I expected something like

    kernel: usb 3-8.2.1.2: new full-speed USB device number 47 using xhci_hcd

(which happens on my host machine when I insert the dongle). I have checked the kernel configuration and enabled all (from which I think) features, like

CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_PLATFORM=y
CONFIG_BT_HCIUART_3WIRE=y
CONFIG_BT_HCIUART_RTL=y
CONFIG_BT_INTEL=y
CONFIG_BT_BCM=y
CONFIG_BT_HCIBTUSB=y
CONFIG_BT_HCIBTUSB_BCM=y
CONFIG_BT_HCIBTUSB_RTL=y
CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
CONFIG_BT_HCIVHCI=y
CONFIG_BT_BCM=y
CONFIG_BT_QCA=y
CONFIG_BT_HCIBTUSB_BCM=y
CONFIG_BT_HCIBTUSB_MTK=y
CONFIG_BT_HCIUART_INTEL=y
CONFIG_BT_HCIUART_BCM=y
CONFIG_BT_HCIBCM203X=y
CONFIG_BT_HCIBPA10X=y
CONFIG_BT_HCIBFUSB=y
CONFIG_BT_MTKSDIO=y
CONFIG_BT_MTKUART=y
CONFIG_USB_MON=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PCI=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_SERIAL=y
CONFIG_USB_G_DBGP=y

but I don't know if this covers everything.

 

Can someone help me to point out the right way to get any trigger when inserting this module?

Thanks a lit!

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1 Solution
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gulmakispe
Contributor I

I got it working through a powered usb hub. So it isn't anything to do with linux or the kernel configuration, only there wasn't enough power on the usb port...

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1 Reply
514 Views
gulmakispe
Contributor I

I got it working through a powered usb hub. So it isn't anything to do with linux or the kernel configuration, only there wasn't enough power on the usb port...

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