From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "René van Dorst" <opensource@vdorst.com>,
netdev@vger.kernel.org, frank-w@public-files.de,
sean.wang@mediatek.com, f.fainelli@gmail.com,
davem@davemloft.net, matthias.bgg@gmail.com,
vivien.didelot@gmail.com, john@phrozen.org,
linux-mediatek@lists.infradead.org, linux-mips@vger.kernel.org,
robh+dt@kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH net-next 3/3] dt-bindings: net: ethernet: Update mt7622 docs and dts to reflect the new phylink API
Date: Fri, 26 Jul 2019 14:19:05 +0100 [thread overview]
Message-ID: <20190726131905.GP1330@shell.armlinux.org.uk> (raw)
In-Reply-To: <20190726131604.GA18223@lunn.ch>
On Fri, Jul 26, 2019 at 03:16:04PM +0200, Andrew Lunn wrote:
> Are you sure it is using SGMII and not 2500BaseX? Can you get access
> to the signalling word? SGMII is supposed to indicate to the MAC what
> speed it is using, via inband signalling. So there should not be any
> need for a fixed-link. 2500BaseX however does not have such
> signalling, so there would need to be a fixed link.
>
> Maybe we should really consider what phy-mode = "sgmii"; means. Should
> this include the overclocked 2.5G speed, or should we add a 2500sgmii
> link mode?
Note that Documentation/networking/phy.rst now contains definitions
for SGMII, 1000BASE-X and 2500BASE-X.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up
next prev parent reply other threads:[~2019-07-26 13:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-24 19:24 [PATCH net-next 3/3] dt-bindings: net: ethernet: Update mt7622 docs and dts to reflect the new phylink API René van Dorst
2019-07-25 19:31 ` Andrew Lunn
2019-07-26 7:19 ` René van Dorst
2019-07-26 13:16 ` Andrew Lunn
2019-07-26 13:19 ` Russell King - ARM Linux admin [this message]
2019-07-26 15:16 ` René van Dorst
2019-07-26 16:23 ` Russell King - ARM Linux admin
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