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SubjectRe: [PATCH net-next v2 5/5] net-next: dsa: add dsa support for Mediatek MT7530 switch
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Hi Andrew,

Add comment as below inline


On Fri, 2017-03-24 at 15:02 +0100, Andrew Lunn wrote:
> Hi Sean
>
> > + regmap = devm_regmap_init(ds->dev, NULL, priv,
> > + &mt7530_regmap_config);
> > + if (IS_ERR(regmap))
> > + dev_warn(priv->dev, "phy regmap initialization failed");
> > +
>
> Shouldn't this be a fatal error? If you keep going when there is an
> error, what happens when you actually try to use the regmap?
>

Initial thought is that it is just for debugging purpose so if it fails,
it should break any functionality of switch and only have implication as
a warning message.

Anyway, i will remove it in the next one since it seems better being
kept in private place as you suggested in the previous mail.

> > + phy_mode = of_get_phy_mode(ds->ports[ds->dst->cpu_port].dn);
> > + if (phy_mode < 0) {
> > + dev_err(priv->dev, "Can't find phy-mode for master device\n");
> > + return phy_mode;
> > + }
> > + dev_info(priv->dev, "phy-mode for master device = %x\n", phy_mode);
>
> dev_dbg?
>

Sorry. i forgot turned it into dev_dbg

> > +
> > + id = mt7530_read(priv, MT7530_CREV);
> > + id >>= CHIP_NAME_SHIFT;
> > + if (id != MT7530_ID)
> > + return -ENODEV;
>
> It might be helpful to say what ID has been found, if it is not the
> supported ID.


I will fix it up to make users know what was going on

thanks for taking your time on those reviewing again!


> Andrew


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