On Tue, Feb 11, 2020 at 11:25 PM Andrew Lunn <andrew@xxxxxxx> wrote: > On Tue, Feb 11, 2020 at 10:41:20PM +0100, H. Nikolaus Schaller wrote: > > This is needed to give the MIPS Ingenic CI20 board a stable MAC address > > which can be optionally provided by vendor U-Boot. > > > > For get_mac_addr() we use an adapted copy of from ksz884x.c which > > has very similar functionality. > > > > Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> > > Hi Nikolaus > > Please split these patches by subsystem. So this one patch needs to go > via netdev. > > > +static char *mac_addr = ":"; > > +module_param(mac_addr, charp, 0); > > +MODULE_PARM_DESC(mac_addr, "MAC address"); > > Module parameters are not liked. > > Can it be passed via device tree? The driver already has code to get > it out of the device tree. Yep, typically U-Boot adds an appropriate "local-mac-address" property to the network device's device node, based on the "ethernet0" alias. However, the real clue here may be "vendor U-Boot", i.e. no support for the above? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds