Re: [PATCH net-next 2/2] net: stmmac: platform: add support for phy-supply

From: Marco Felsch
Date: Tue Jul 18 2023 - 09:15:40 EST


On 23-07-18, Andrew Lunn wrote:
> On Tue, Jul 18, 2023 at 10:38:41AM +0200, Marco Felsch wrote:
> > On 23-07-18, Andrew Lunn wrote:
> > > > +static int stmmac_phy_power(struct platform_device *pdev,
> > > > + struct plat_stmmacenet_data *plat,
> > > > + bool enable)
> > > > +{
> > > > + struct regulator *regulator = plat->phy_regulator;
> > > > + int ret = 0;
> > > > +
> > > > + if (regulator) {
> > > > + if (enable)
> > > > + ret = regulator_enable(regulator);
> > > > + else
> > > > + regulator_disable(regulator);
> > > > + }
> > > > +
> > > > + if (ret)
> > > > + dev_err(&pdev->dev, "Fail to enable regulator\n");
> > >
> > > 'enable' is only correct 50% of the time.
> >
> > You mean to move it under the enable path.
>
> Or don't use the word 'enable'. 'modify' ?

I changed it but kept the 'enable'.

> > Good point didn't consider WOL. Is there a way to check if WOL is
> > enabled?
>
> Yes, plenty of MAC drivers do this. Look around.

Yep, checked the code and found the interesting parts :) Thanks for the
hint.

Regards,
Marco