On Tue, May 18, 2021 at 09:57:13AM -0700, Randy Dunlap wrote:
> On 5/18/21 9:43 AM, Vladimir Oltean wrote:
> > Hi Randy,
> >
> > Would something like this work?
> >
> > -----------------------------[ cut here ]-----------------------------
> > From 36c0b3f04ebfa51e52bd1bc2dc447d12d1c6e119 Mon Sep 17 00:00:00 2001
> > From: Vladimir Oltean <olteanv@xxxxxxxxx>
> > Date: Tue, 18 May 2021 19:39:18 +0300
> > Subject: [PATCH] net: mdio: provide shim implementation of
> > devm_of_mdiobus_register
> >
> > Similar to the way in which of_mdiobus_register() has a fallback to the
> > non-DT based mdiobus_register() when CONFIG_OF is not set, we can create
> > a shim for the device-managed devm_of_mdiobus_register() which calls
> > devm_mdiobus_register() and discards the struct device_node *.
> >
> > In particular, this solves a build issue with the qca8k DSA driver which
> > uses devm_of_mdiobus_register and can be compiled without CONFIG_OF.
> >
> > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Signed-off-by: Vladimir Oltean <olteanv@xxxxxxxxx>
> > ---
> > include/linux/of_mdio.h | 7 +++++++
> > 1 file changed, 7 insertions(+)
> >
> > diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
> > index 2b05e7f7c238..da633d34ab86 100644
> > --- a/include/linux/of_mdio.h
> > +++ b/include/linux/of_mdio.h
> > @@ -72,6 +72,13 @@ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *
> > return mdiobus_register(mdio);
> > }
> >
> > +static inline int devm_of_mdiobus_register(struct device *dev,
> > + struct mii_bus *mdio,
> > + struct device_node *np)
> > +{
> > + return devm_mdiobus_register(dev, mdio);
> > +}
> > +
> > static inline struct mdio_device *of_mdio_find_device(struct device_node *np)
> > {
> > return NULL;
> > -----------------------------[ cut here ]-----------------------------
> >
>
> Yes, that's all good. Thanks.
>
> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested
Thanks. Waiting for a little bit longer for somebody a little more
authoritative on the MDIO/PHY topic, will submit formally afterwards.
