On 11/2/20 3:20 PM, Drew Fustini wrote: > I am able to have can0 (spi0.0) and can1 (spi1.0) initialize ok on the > waveshare canfd hat (solder jumper mode A) with the mcp251xfd driver > from Marc's rpi 5.4 branch. However, I am not able to do a loopback > test successfully. > > No errors from setup: > sudo ip link set can0 type can bitrate 250000 listen-only on > sudo ip link set can1 type can bitrate 250000 listen-only on ^^^^^^^^^^^^^^ It really does listen-only on the bus, i.e. not send anything :) Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |