Hi, "Sid Spry" <sid@xxxxxxx> writes: > Hi, I can't enable USB3 with e.g. f_ncm because bcdUSB is always reset to 0x0210: > > $ sudo sh -c 'echo "0x0300" > /sys/kernel/config/usb_gadget/g11/bcdUSB' > $ cat /sys/kernel/config/usb_gadget/g11/bcdUSB > 0x0300 > $ sudo sh -c 'echo "fe800000.usb" > /sys/kernel/config/usb_gadget/g11/UDC' > $ cat /sys/kernel/config/usb_gadget/g11/bcdUSB > 0x0210 > $ tree /sys/kernel/config/usb_gadget/g11 > /sys/kernel/config/usb_gadget/g11 > ├── bcdDevice > ├── bcdUSB > ├── bDeviceClass > ├── bDeviceProtocol > ├── bDeviceSubClass > ├── bMaxPacketSize0 > ├── configs > │ └── c.1 > │ ├── bmAttributes > │ ├── MaxPower > │ ├── ncm.0 -> ../../../../usb_gadget/g11/functions/ncm.0 > │ └── strings > │ └── 0x409 > │ └── configuration > ├── functions > │ └── ncm.0 > │ ├── dev_addr > │ ├── host_addr > │ ├── ifname > │ ├── os_desc > │ │ └── interface.ncm > │ │ ├── compatible_id > │ │ └── sub_compatible_id > │ └── qmult > ├── idProduct > ├── idVendor > ├── max_speed > ├── os_desc > │ ├── b_vendor_code > │ ├── qw_sign > │ └── use > ├── strings > │ └── 0x409 > │ ├── manufacturer > │ ├── product > │ └── serialnumber > └── UDC > > Board is a RK3399 based RockPro64. what's your max_speed? -- balbi
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