On Wed, May 16, 2018 at 10:54:12AM +0200, Geert Uytterhoeven wrote:
> Hi Florian,
>
> Thanks for your series!
> I like the effect on simplifying drivers.
>
> On Wed, May 16, 2018 at 1:56 AM, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
> > This patch series updates of_mdiobus_register() such that when the device_node
> > argument is NULL, it calls mdiobus_register() directly. This is consistent with
> > the behavior of of_mdiobus_register() when CONFIG_OF=n.
>
> IMHO the CONFIG_OF=n behavior of of_mdiobus_register() (which I wasn't
> aware of) is inconsistent with the behavior of other of_*() functions,
> which are just empty stubs.
>
> So I'm wondering if you should do it the other way around, and let
> mdiobus_register() call of_mdiobus_register() if dev->of_node exists?
Hi Geert
dev->of_node is often not the correct OF node. The mdio properties are
often embedded inside a MAC driver, and use an 'mdio' container
node. This container node is needed, not the device node.
> I haven't looked at the ACPI handling, but perhaps this can be moved
> inside mdiobus_register() as well?
The ACPI binding for MDIO and PHYs has not been defined yet.
Andrew
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