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Date:   Tue, 14 Mar 2017 15:03:36 +0800
From:   Sean Wang <sean.wang@...iatek.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     <f.fainelli@...il.com>, <vivien.didelot@...oirfairelinux.com>,
        <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <davem@...emloft.net>,
        <Landen.Chao@...iatek.com>, <keyhaede@...il.com>,
        <objelf@...il.com>
Subject: Re: [PATCH net-next 4/4] net-next: dsa: add dsa support for
 Mediatek MT7530 switch

On Tue, 2017-03-14 at 00:11 +0100, Andrew Lunn wrote:
> > +static int
> > +mt7530_setup(struct dsa_switch *ds)
> > +{
> > +	struct mt7530_priv *priv = ds->priv;
> > +	int ret, i, phy_mode;
> > +	u8  cpup_mask = 0;
> > +	u32 id, val;
> > +	struct regmap *regmap;
> > +
> > +	/* Make sure that cpu port specfied on the dt is appropriate */
> > +	if (!dsa_is_cpu_port(ds, MT7530_CPU_PORT)) {
> > +		dev_err(priv->dev, "port not matched with the CPU port\n");
> > +		return -EINVAL;
> > +	}
> > +
> > +	regmap = devm_regmap_init(ds->dev, NULL, priv,
> > +				  &mt7530_regmap_config);
> > +	if (IS_ERR(regmap))
> > +		dev_warn(priv->dev, "phy regmap initialization failed");
> > +
> > +	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);
> 
> Hi Sean
> 
> It is not documented in the binding that a phy-mode is mandatory for
> the cpu port.
> 
>     Andrew

Hi Andrew,

thanks for your reviewing. I'll also add the missing part into the next
one. 
	Sean


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