On 12/16/20 6:49 PM, Sven Schuchmann wrote: >> Note, with older versions of udev it was possible to rename interfaces within >> the same namespace, e.g. use "NAME=can0". I think this doesn't work with newer >> udevs anymore, so in this example "mcp?" is used. >> > Since I am on systemd 241 on a RaspberryPi I decided to go for udev style > > created /etc/udev/rules.d/70-can.rules with > SUBSYSTEM=="net", ACTION=="add", DEVPATH=="/devices/platform/soc/*/*/*/spi0.0/net/can?", NAME="can0" > SUBSYSTEM=="net", ACTION=="add", DEVPATH=="/devices/platform/soc/*/*/*/spi1.0/net/can?", NAME="can1" Note: IFAIK this will not work with newer versions of udev.... > and tadaaaaa: > [ 6.917578] spi_master spi1: will run message pump with realtime priority > [ 6.936957] mcp251xfd spi1.0 can0: MCP2518FD rev0.0 (-RX_... > [ 6.956523] spi_master spi0: will run message pump with realtime priority > [ 6.971942] mcp251xfd spi0.0 can1: MCP2518FD rev0.0 (-RX_... > [ 7.006515] mcp251xfd spi1.0 rename3: renamed from can0 > [ 7.041681] mcp251xfd spi0.0 can0: renamed from can1 > [ 7.091563] mcp251xfd spi1.0 can1: renamed from rename3 ...the "rename" trick doesn't work anymore. Better use a differnet name, e.g.: mcp0 and mcp1. 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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