On 10/28/20 4:47 AM, Drew Fustini wrote: >> I assumed the Waveshare instructions work but that is error on my part >> for not actually reproducing. That is what I will do first. >> Ultimately, I want the freshly upstreamed driver working but I should >> check if their driver tarball works. > > The Waveshare installer uses the 4.19 kernel with the mcp25xxfd > driver. However, it also fails, sio I think I need to dig deeper: > > pi@raspberrypi:~ $ dmesg | grep -Ei spi\|can > [ 4.263765] CAN device driver interface > [ 4.286258] mcp25xxfd_can: loading out-of-tree module taints kernel. > [ 5.477511] mcp25xxfd spi1.0: Cannot initialize MCP2517. Wrong > wiring? (oscilator register reads as 00000000) It reads the osc as 0x0, too. This is the same error as you've seen with my driver. 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 |
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