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

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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' ?

> 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.

     Andrew



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