From: David Daney <ddaney@caviumnetworks.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: David Daney <ddaney.cavm@gmail.com>,
"David S. Miller" <davem@davemloft.net>, <netdev@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Robert Richter <rric@kernel.org>,
Sunil Goutham <sgoutham@cavium.com>,
Kumar Gala <galak@codeaurora.org>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Mark Rutland <mark.rutland@arm.com>,
Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>,
Radha Mohan Chintakuntla <rchintakuntla@cavium.com>,
<linux-kernel@vger.kernel.org>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH 1/3] net: thunderx: Cleanup PHY probing code.
Date: Fri, 11 Mar 2016 09:41:06 -0800 [thread overview]
Message-ID: <56E30332.7060003@caviumnetworks.com> (raw)
In-Reply-To: <20160311173125.GI3153@lunn.ch>
On 03/11/2016 09:31 AM, Andrew Lunn wrote:
>> + phy_np = of_parse_phandle(node, "phy-handle", 0);
>> + /* If there is no phy or defective firmware presents
>> + * this cortina phy, for which there is no driver
>> + * support, ignore it.
>> + */
>> + if (phy_np &&
>> + !of_device_is_compatible(phy_np, "cortina,cs4223-slice")) {
>
> Hi David
>
> What is a cortina,cs4223-slice,
It is 1/4 of:
https://www.inphi.com/products/cs4223.php
> and why does it need to be handled differently?
>
$ ls drivers/net/phy/*cortina*
ls: cannot access drivers/net/phy/*cortina*: No such file or directory
For this configuration of thunder_bgx.c, the use of a Linux PHY driver
is optional.
The firmware should probably not specify a PHY here, but it does so we
ignore it so we don't wait around forever for the non-existent driver to
bind.
next prev parent reply other threads:[~2016-03-11 17:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 16:46 [PATCH 0/3] net/phy: Improvements to Cavium Thunder MDIO code David Daney
2016-03-11 16:47 ` [PATCH 1/3] net: thunderx: Cleanup PHY probing code David Daney
2016-03-11 17:31 ` Andrew Lunn
2016-03-11 17:41 ` David Daney [this message]
2016-03-11 18:00 ` Andrew Lunn
2016-03-11 18:26 ` David Daney
2016-03-11 19:06 ` Andrew Lunn
2016-03-11 19:34 ` David Daney
2016-03-11 19:37 ` Florian Fainelli
2016-03-11 20:56 ` David Daney
2016-03-11 21:35 ` Andrew Lunn
2016-03-11 21:57 ` David Daney
2016-03-11 16:47 ` [PATCH 2/3] phy: mdio-octeon: Refactor into two files/modules David Daney
2016-03-11 16:47 ` [PATCH 3/3] phy: mdio-thunder: Add driver for Cavium Thunder SoC MDIO buses David Daney
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