On 8/01/2016 3:45 AM, Florian Fainelli wrote: > On 03/01/16 06:36, Romain Perier wrote: >> Hi, >> >> 2016-01-02 18:52 GMT+01:00 Florian Fainelli <f.fainelli at gmail.com>: >>> >>>>> This looks reasonable, does it work if we just assign mdio_node to the pdev->dev.of_node to be backwards compatible with DTSes which have not yet been updated? >>>>> >>>> >>>> I don't understand what you mean. Instead of defining mdio_node with >>>> NULL, you propose to assign it to pdev->dev.of_node as its default >>>> value... then it would be reassigned with "child_nod" if a subnode >>>> with the compatible string "snps,dwmac-mdio" is found, or kept with >>>> its default value otherwise... and in this case we could call >>>> of_mdiobus_register(new_bus, mdio_node) all the time ? (it removes the >>>> conditonnal branch) >>> >>> Your understanding is correct, this is what I was suggesting, thanks >> >> So in this case, I already tested this yesterday, it does not work, >> basically because the for loop just after of_mdiobus_register is never >> executed, probably because new_bus->phy_map is not populated, which is >> not the case by calling mdiobus_register for example. >> of_mdiobus_register seems to populate this array of phys only for >> subnodes found in the devicetree... > > Fair enough, then you initial patch with dropping IS_ENABLED() and > adding a "Fixes" tag should be resubmitted. > Looks reasonable. -- Regards Phil Reid