On Mon, 26 Aug 2019 19:31:25 +0200, Marek Behun <marek.be...@nic.cz> wrote:
> On Mon, 26 Aug 2019 17:38:30 +0200
> Andrew Lunn <and...@lunn.ch> wrote:
> 
> > > +static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int 
> > > port,
> > > +                             phy_interface_t mode, bool allow_over_2500,
> > > +                             bool make_cmode_writable)  
> > 
> > I don't like these two parameters. The caller of this function can do
> > the check for allow_over_2500 and error out before calling this.
> > 
> > Is make_cmode_writable something that could be done once at probe and
> > then forgotten about? Or is it needed before every write? At least
> > move it into the specific port_set_cmode() that requires it.
> > 
> > Thanks
> >     Andrew
> 
> Btw those two additional parameters were modeled as in
>   static int mv88e6xxx_port_set_speed(struct mv88e6xxx_chip *chip,
>                                       int port, int speed, bool alt_bit,
>                                       bool force_bit);

"AltSpeed" and "ForceSpeed" are two bits found in the MAC Control Register
of certain switch models, which can be set by this private helper.

I don't think that is the case for "allow_over_2500" and "make_cmode_writable".

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