From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Christian Herber <christian.herber@nxp.com>,
Michal Kubecek <mkubecek@suse.cz>, Marek Vasut <marex@denx.de>,
Florian Fainelli <f.fainelli@gmail.com>,
Jonathan Corbet <corbet@lwn.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Russell King <linux@armlinux.org.uk>,
"mkl@pengutronix.de" <mkl@pengutronix.de>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
David Jander <david@protonic.nl>,
Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: Re: signal quality and cable diagnostic
Date: Tue, 12 May 2020 07:13:55 +0200 [thread overview]
Message-ID: <20200512051355.GA16269@pengutronix.de> (raw)
In-Reply-To: <20200511195435.GF413878@lunn.ch>
On Mon, May 11, 2020 at 09:54:35PM +0200, Andrew Lunn wrote:
> On Mon, May 11, 2020 at 07:32:05PM +0000, Christian Herber wrote:
> > On May 11, 2020 4:33:53 PM Andrew Lunn <andrew@lunn.ch> wrote:
> > >
> > > Are the classes part of the Open Alliance specification? Ideally we
> > > want to report something standardized, not something proprietary to
> > > NXP.
> > >
> > > Andrew
> >
> > Hi Andrew,
> >
>
> > Such mechanisms are standardized and supported by pretty much all
> > devices in the market. The Open Alliance specification is publicly
> > available here:
> > http://www.opensig.org/download/document/218/Advanced_PHY_features_for_automotive_Ethernet_V1.0.pdf
> >
> > As the specification is newer than the 100BASE-T1 spec, do not
> > expect first generation devices to follow the register definitions
> > as per Open Alliance. But for future devices, also registers should
> > be same across different vendors.
>
> Hi Christian
>
> Since we are talking about a kernel/user API definition here, i don't
> care about the exact registers. What is important is the
> naming/representation of the information. It seems like NXP uses Class
> A - Class H, where as the standard calls them SQI=0 - SQI=7. So we
> should name the KAPI based on the standard, not what NXP calls them.
OK, sounds good for me.
Regards,
Oleksij
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prev parent reply other threads:[~2020-05-12 5:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 19:32 Re: signal quality and cable diagnostic Christian Herber
2020-05-11 19:54 ` Andrew Lunn
2020-05-12 5:13 ` Oleksij Rempel [this message]
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