core-rk3568J can口不能启用

风火轮用户67249

CAN口启用时报错，ip link list能看到can0 和can1:
root@firefly:/home/firefly# ip -d link show can0
2: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN mode DEFAULT group default qlen 10
    link/can  promiscuity 0
    can <FD> state STOPPED (berr-counter tx 0 rx 0) restart-ms 0
          bitrate 500000 sample-point 0.870
          tq 20 prop-seg 43 phase-seg1 43 phase-seg2 13 sjw 1
          rockchip_canfd: tseg1 1..128 tseg2 1..128 sjw 1..128 brp 1..256 brp-inc 2
          rockchip_canfd: dtseg1 1..32 dtseg2 1..16 dsjw 1..16 dbrp 1..256 dbrp-inc 2
          clock 100000000numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535
root@firefly:/home/firefly# ip link set can0 up
RTNETLINK answers: Invalid argument

风火轮用户67249

有没有大神帮忙解答下 不胜感激