Hi, more info... i see from device tree that usb0 (fe200000) is ok and the other usb (fe300000) is disabled. for usb0 i see the following:
/sys/kernel/debug/usb/fe200000.usb/mode is device and /sys/kernel/debug/usb/fe200000.usb/link_state is Disconnected even if the cable is connected and detected from the other party i'm using a USB-A to USB-C cable. any help would be greatly appreciated. thanks, Dario On Thu, Nov 7, 2024 at 2:06 PM Dario Pennisi <da...@iptronix.com> wrote: > Hi, > i'm trying to use ps-USB port as a NCM interface to an external and i > think i correctly added the required stuff but i see a major issue that is > present also when not adding the related modifications: > 1) issuing lsusb shows nothing > 2) regardless of the modifications the host PC shows failure to enumerate > the device in dmesg whereas x440 doesn't show anything > > i'm suspecting > i'm currently using UHD4.5 with an image recompiled from the zeus version > of meta-ettus > > looking at dmesg in the original kernel i see the following: > [ 1.539650] usbcore: registered new interface driver usbfs > [ 1.539693] usbcore: registered new interface driver hub > [ 1.539728] usbcore: registered new device driver usb > [ 2.436706] usbcore: registered new interface driver uas > [ 2.436749] usbcore: registered new interface driver usb-storage > [ 2.436810] usbcore: registered new interface driver usbserial_generic > [ 2.436835] usbserial: USB Serial support registered for generic > [ 2.436863] usbcore: registered new interface driver ch341 > [ 2.436886] usbserial: USB Serial support registered for ch341-uart > [ 2.436913] usbcore: registered new interface driver cp210x > [ 2.436935] usbserial: USB Serial support registered for cp210x > [ 2.436962] usbcore: registered new interface driver ftdi_sio > [ 2.436985] usbserial: USB Serial support registered for FTDI USB > Serial Device > [ 2.437014] usbcore: registered new interface driver pl2303 > [ 2.437041] usbserial: USB Serial support registered for pl2303 > > however looking for /dev/usb* i see only /dev/usbmon0 so apparently no usb > port is being registered. is this missing in the device tree? > > thanks, > > Dario >
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