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From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
	f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] net: ethernet: mvneta: add support for 2.5G DRSGMII mode
Date: Wed, 25 Jan 2017 12:38:06 -0500 (EST)	[thread overview]
Message-ID: <20170125.123806.790914338952471404.davem@davemloft.net> (raw)
In-Reply-To: <20170123142206.5390-1-jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

From: Jan Luebbe <jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Date: Mon, 23 Jan 2017 15:22:06 +0100

> The Marvell MVNETA Ethernet controller supports a 2.5 Gbps SGMII mode
> called DRSGMII.
> 
> This patch adds a corresponding phy-mode string 'drsgmii' and parses it
> from DT. The MVNETA then configures the SERDES protocol value
> accordingly.
> 
> It was successfully tested on a MV78460 connected to a FPGA.
> 
> Signed-off-by: Jan Luebbe <jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

I still haven't seen a sufficient explanation as to why this change
works without any explicit MAC programming changes to this driver.

That really needs to be explained before I will apply this patch.

Thanks.
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  parent reply	other threads:[~2017-01-25 17:38 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-23 14:22 [PATCH] net: ethernet: mvneta: add support for 2.5G DRSGMII mode Jan Luebbe
2017-01-23 18:18 ` Andrew Lunn
     [not found]   ` <20170123181836.GO10895-g2DYL2Zd6BY@public.gmane.org>
2017-01-24  8:34     ` Jan Lübbe
2017-01-24 13:19       ` Andrew Lunn
     [not found] ` <20170123142206.5390-1-jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2017-01-25 17:38   ` David Miller [this message]
     [not found]     ` <20170125.123806.790914338952471404.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2017-01-26  8:17       ` Jan Lübbe
2020-06-08  7:47 Sascha Hauer
2020-06-08  7:47 ` Sascha Hauer
2020-06-08 14:57 ` Andrew Lunn
2020-06-08 14:57   ` Andrew Lunn
2020-06-09 12:55   ` Sascha Hauer
2020-06-09 12:55     ` Sascha Hauer
2020-06-09 13:12     ` Andrew Lunn
2020-06-09 13:12       ` Andrew Lunn
2020-06-09 13:14       ` Sascha Hauer
2020-06-09 13:14         ` Sascha Hauer
2020-06-08 16:08 ` Russell King - ARM Linux admin
2020-06-08 16:08   ` Russell King - ARM Linux admin
2020-06-09 12:11   ` Sascha Hauer
2020-06-09 12:11     ` Sascha Hauer

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