Re: [PATCH net-next 3/7] net: phy: mscc: split config_init in two functions for VSC8584

[Quentin Schulz]

Hi Florian,

On Fri, Sep 14, 2018 at 10:57:08AM -0700, Florian Fainelli wrote:
> On 09/14/2018 02:44 AM, Quentin Schulz wrote:
> > Part of the config init is common between the VSC8584 and the VSC8574,
> > so to prepare the upcoming support for VSC8574, separate config_init
> > PHY-specific code to config_pre_init function which is set in the probe
> > function of the PHY and used in config_init.
> > 
> > Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxx>
> > ---
> >  drivers/net/phy/mscc.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
> > index b450489..69cc3cf 100644
> > --- a/drivers/net/phy/mscc.c
> > +++ b/drivers/net/phy/mscc.c
> > @@ -355,6 +355,7 @@ struct vsc8531_private {
> >  	u64 *stats;
> >  	int nstats;
> >  	bool pkg_init;
> > +	int (*config_pre_init)(struct mii_bus *bus, int phy);
> 
> Is not this overkill given that you have a reference to the phy_device,
> you could check for the for phy_id to know which exact type you have and
> call the appropriate pre_init function?
> 

Agreed. It just seemed "cleaner" to me to set config_pre_init in
separate probe functions which are pretty straightforward and short.
Thus not complexifying an already-not-so-straightforward config_init
function.

Anyway, I'll use the phy_id as suggested so that we don't overload the
vsc8531_private structure (since it's also only called once, in
config_init).

Thanks,
Quentin

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