Hi Sergei, On Thu, Oct 22, 2015 at 10:07 PM, Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> wrote: > On 10/22/2015 04:31 PM, Geert Uytterhoeven wrote: > >> Due to a probe deferral of an interrupt controller[1], the Micrel >> Ethernet PHY on >> r8a7791/koelsch started failing to get its IRQ: >> >> no irq domain found for /interrupt-controller@e61c0000 ! >> >> However, of_mdiobus_register_phy() uses irq_of_parse_and_map(), which >> plainly >> ignores EPROBE_DEFER, and it just continues. >> >> Later I get: >> >> sh-eth ee700000.ethernet eth0: attached PHY 1 (IRQ -1) to driver >> Micrel KSZ8041RNLI >> >> instead of >> >> sh-eth ee700000.ethernet eth0: attached PHY 1 (IRQ 408) to driver >> Micrel KSZ8041RNLI >> >> Ethernet still works, as the interrupt seems to be unneeded(?). > > Yes, the phylib uses PHY polling anyway, IRQ isn't strictly necessary. > >> Has anyone already looked into fixing of_mdio to handle deferred probing? > > It's the first time I hear about that. Will have to look into this... Thanks a lot! 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html