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SubjectRe: [PATCH net-next v3 1/2] ethtool: provide UAPI for PHY master/slave configuration.
On Thu, Apr 30, 2020 at 06:37:51AM +0200, Oleksij Rempel wrote:
> Hi Andrew,
>
> On Wed, Apr 29, 2020 at 08:16:14PM +0200, Andrew Lunn wrote:
> > On Tue, Apr 28, 2020 at 09:53:07AM +0200, Oleksij Rempel wrote:
> >
> > Hi Oleksij
> >
> > Sorry for taking a while to review this. I was busy fixing the FEC
> > driver which i broke :-(
>
> Not problem.
> Interesting, what is wrong with FEC? We use it a lot.

I broke MDIO transactions, when making them faster. Hopefully fixed.

> > > diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
> > > index 92f737f101178..eb680e3d6bda5 100644
> > > --- a/include/uapi/linux/ethtool.h
> > > +++ b/include/uapi/linux/ethtool.h
> > > @@ -1666,6 +1666,31 @@ static inline int ethtool_validate_duplex(__u8 duplex)
> > > return 0;
> > > }
> > >
> > > +static inline int ethtool_validate_master_slave_cfg(__u8 cfg)
> > > +{
> > > + switch (cfg) {
> > > + case PORT_MODE_CFG_MASTER_PREFERRED:
> > > + case PORT_MODE_CFG_SLAVE_PREFERRED:
> > > + case PORT_MODE_CFG_MASTER_FORCE:
> > > + case PORT_MODE_CFG_SLAVE_FORCE:
> > > + case PORT_MODE_CFG_UNKNOWN:
> > > + return 1;
> > > + }
> > > +
> > > + return 0;
> > > +}
> >
> > Does this need to be an inline function?
>
> Yes, otherwise we get a lot of "defined but not used " warnings.

Sorry, was not clear enough. I think there is only one user of this
function? Why not put it in the same compilation unit, as a normal
static function?

Andrew

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