From: Andrew Lunn <andrew@lunn.ch>
To: Sergej Bauer <sbauer@blackbox.su>
Cc: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Bryan Whitehead <bryan.whitehead@microchip.com>,
Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
Rob Herring <robh@kernel.org>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] add virtual PHY for PHY-less devices
Date: Fri, 18 Sep 2020 00:15:47 +0200 [thread overview]
Message-ID: <20200917221547.GD3598897@lunn.ch> (raw)
In-Reply-To: <20200917214030.646-1-sbauer@blackbox.su>
On Fri, Sep 18, 2020 at 12:40:10AM +0300, Sergej Bauer wrote:
> From: sbauer@blackbox.su
>
> Here is a kernel related part of my work which was helps to develop brand
> new PHY device.
>
> It is migth be helpful for developers work with PHY-less lan743x
> (7431:0011 in my case). It's just a fake virtual PHY which can change speed of
> network card processing as a loopback device. Baud rate can be tuned with
> ethtool from command line or by means of SIOCSMIIREG ioctl. Duplex mode not
> configurable and it's allways DUPLEX_FULL.
Hi Sergej
What is the advantage of this over using driver/net/phy/fixed_phy.c
which also emulates a standard PHY?
Andrew
next prev parent reply other threads:[~2020-09-17 22:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-17 21:40 [PATCH] add virtual PHY for PHY-less devices Sergej Bauer
2020-09-17 22:15 ` Andrew Lunn [this message]
2020-09-18 0:17 ` Sergej Bauer
2020-09-18 1:31 ` Florian Fainelli
2020-09-17 22:16 ` Florian Fainelli
2020-09-18 0:58 ` Sergej Bauer
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