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From: Andrew Lunn <andrew@lunn.ch>
To: biao huang <biao.huang@mediatek.com>
Cc: Corentin Labbe <clabbe.montjoie@gmail.com>,
	davem@davemloft.net, robh+dt@kernel.org, mark.rutland@arm.com,
	devicetree@vger.kernel.org, nelson.chang@mediatek.com,
	netdev@vger.kernel.org, sean.wang@mediatek.com,
	liguo.zhang@mediatek.com, linux-kernel@vger.kernel.org,
	matthias.bgg@gmail.com, joabreu@synopsys.com,
	linux-mediatek@lists.infradead.org, honghui.zhang@mediatek.com,
	yt.shen@mediatek.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] net:stmmac: dwmac-mediatek: add support for mt2712
Date: Tue, 30 Oct 2018 12:56:38 +0100	[thread overview]
Message-ID: <20181030115638.GB27873@lunn.ch> (raw)
In-Reply-To: <1540883812.26982.15.camel@mhfsdcap03>

> > > +	plat_dat->interface = priv_plat->phy_mode;
> > > +	/* clk_csr_i = 250-300MHz & MDC = clk_csr_i/124 */
> > > +	plat_dat->clk_csr = 5;
> > > +	plat_dat->has_gmac4 = 1;
> > > +	plat_dat->has_gmac = 0;
> > > +	plat_dat->pmt = 0;
> > > +	plat_dat->maxmtu = 1500;
> > 
> > ETH_DATA_LEN ?
> how about getting maxmtu from device tree rather than assignment here?

Does it vary between devices? I expect it is a constant, determined by
the DMA hardware design. So no need to make it configurabale.

    Andrew

  reply	other threads:[~2018-10-30 11:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-29  3:04 [v2, PATCH 0/2] add Ethernet driver support for mt2712 Biao Huang
2018-10-29  3:04 ` [PATCH 1/2] net:stmmac: dwmac-mediatek: add " Biao Huang
2018-10-29 10:08   ` Corentin Labbe
2018-10-30  7:16     ` biao huang
2018-10-30 11:56       ` Andrew Lunn [this message]
2018-10-29 12:27   ` Andrew Lunn
2018-10-30  7:11     ` biao huang
2018-10-29  3:04 ` [PATCH 2/2] dt-binding: mediatek-dwmac: add binding document for MediaTek MT2712 DWMAC Biao Huang
2018-11-12 16:22   ` Rob Herring
2018-11-16  6:58     ` biao huang
2018-10-29  3:32 ` [v2, PATCH 0/2] add Ethernet driver support for mt2712 biao huang

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