netdev - Re: [PATCH 1/2] net:stmmac: dwmac-mediatek: add support for mt2712

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Message-ID: <1540883512.26982.10.camel@mhfsdcap03>
Date:   Tue, 30 Oct 2018 15:11:52 +0800
From:   biao huang <biao.huang@...iatek.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     <davem@...emloft.net>, <robh+dt@...nel.org>,
        <honghui.zhang@...iatek.com>, <yt.shen@...iatek.com>,
        <liguo.zhang@...iatek.com>, <mark.rutland@....com>,
        <sean.wang@...iatek.com>, <nelson.chang@...iatek.com>,
        <matthias.bgg@...il.com>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <joabreu@...opsys.com>
Subject: Re: [PATCH 1/2] net:stmmac: dwmac-mediatek: add support for mt2712

Thanks for your kindly comments.
On Mon, 2018-10-29 at 13:27 +0100, Andrew Lunn wrote:
> > +static int mt2712_config_dt(struct mediatek_dwmac_plat_data *plat)
> > +{
> > +	u32 mac_timings[4];
> > +
> > +	plat->peri_regmap = syscon_regmap_lookup_by_compatible("mediatek,mt2712-pericfg");
> > +	if (IS_ERR(plat->peri_regmap)) {
> > +		dev_err(plat->dev, "Failed to get pericfg syscon\n");
> > +		return PTR_ERR(plat->peri_regmap);
> > +	}
> > +
> > +	if (!of_property_read_u32_array(plat->np, "mac-delay", mac_timings,
> > +					ARRAY_SIZE(mac_timings))) {
> > +		plat->mac_delay.tx_delay = mac_timings[0];
> > +		plat->mac_delay.rx_delay = mac_timings[1];
> > +		plat->mac_delay.tx_inv = mac_timings[2];
> > +		plat->mac_delay.rx_inv = mac_timings[3];
> > +	}
> > +
> > +	plat->fine_tune = of_property_read_bool(plat->np, "fine-tune");
> > +
> > +	plat->rmii_rxc = of_property_read_bool(plat->np, "rmii-rxc");
> 
> Please add document for these properties in the binding.
ok, I forgot these properties.
> 
> Ideally, you should reuse the binding that some of the other stmmac
> glue layer uses. e.g. there is already allwinner,tx-delay-ps,
> allwinner,rx-delay-ps.
take it, seems that tx-delay/rx-delay will be more readable than
mac-delay in dts. will be changed in next patch.
> 
>        Thanks
>               Andrew