ifconfig can0 up 挂载不了CAN0

borrow1988

。。。RT, 打印如下 ...请问下，/ # ip -details link show can02: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN mode DEFAULT group default qlen 10
    link/can  promiscuity 0
    can <LOOPBACK> state STOPPED (berr-counter tx 0 rx 0) restart-ms 0
          bitrate 5000 sample-point 0.708
          tq 8333 prop-seg 8 phase-seg1 8 phase-seg2 7 sjw 1
          flexcan: tseg1 4..16 tseg2 2..8 sjw 1..4 brp 1..256 brp-inc 1
          clock 30000000
/ #
/ # ip link set can0 up type can
flexcan 2090000.can can0: writing ctrl=0xf93eb057
RTNETLINK answers: Connection timed out



/ # ip link set can0 type can bitrate 5000 loopback on
/ #
/ # ifconfig can0 up
flexcan 2090000.can can0: writing ctrl=0xf93e3007
ifconfig: SIOCSIFFLAGS: Connection timed out


连接不上怎么情况啊


另外设备树 /sys/class/net/can0 没有/can_bittiming/bitrate 这些属性怎么情况?...