linux-kernel - Re: [PATCH v2 0/3] net/phy: Improvements to Cavium Thunder MDIO code.

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Message-ID: <56E35E0C.9040500@caviumnetworks.com>
Date:	Fri, 11 Mar 2016 16:08:44 -0800
From:	David Daney <ddaney@...iumnetworks.com>
To:	David Daney <ddaney.cavm@...il.com>
CC:	"David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Robert Richter <rric@...nel.org>,
	Sunil Goutham <sgoutham@...ium.com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	<linux-kernel@...r.kernel.org>,
	Radha Mohan Chintakuntla <rchintakuntla@...ium.com>,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v2 0/3] net/phy: Improvements to Cavium Thunder MDIO code.

I am going to send a new version of this set.

David Daney


On 03/11/2016 09:53 AM, David Daney wrote:
> From: David Daney <david.daney@...ium.com>
>
> Changes from v1:
>
>   - In 1/3 Add back check for non-OF objects in bgx_init_of_phy().  It
>     is probably not necessary, but better safe than sorry...
>
> The firmware on many Cavium Thunder systems configures the MDIO bus
> hardware to be probed as a PCI device.  In order to use the MDIO bus
> drivers in this configuration, we must add PCI probing to the driver.
>
> There are two parts to this set of three patches:
>
>   1) Cleanup the PHY probing code in thunder_bgx.c to handle the case
>      where there is no PHY attached to a port, as well as being more
>      robust in the face of driver loading order by use of
>      -EPROBE_DEFER.
>
>   2) Split mdio-octeon.c into two drivers, one with platform probing,
>   and the other with PCI probing.  Common code is shared between the
>   two.
>
> Tested on several different Thunder and OCTEON systems, also compile
> tested on x86_64.
>
> David Daney (3):
>    net: thunderx: Cleanup PHY probing code.
>    phy: mdio-octeon: Refactor into two files/modules
>    phy: mdio-thunder:  Add driver for Cavium Thunder SoC MDIO buses.
>
>   .../devicetree/bindings/net/cavium-mdio.txt        |  61 ++++-
>   drivers/net/ethernet/cavium/thunder/thunder_bgx.c  |  29 ++-
>   drivers/net/phy/Kconfig                            |  22 +-
>   drivers/net/phy/Makefile                           |   2 +
>   drivers/net/phy/mdio-cavium.c                      | 149 +++++++++++
>   drivers/net/phy/mdio-cavium.h                      | 119 +++++++++
>   drivers/net/phy/mdio-octeon.c                      | 280 ++-------------------
>   drivers/net/phy/mdio-thunder.c                     | 154 ++++++++++++
>   8 files changed, 535 insertions(+), 281 deletions(-)
>   create mode 100644 drivers/net/phy/mdio-cavium.c
>   create mode 100644 drivers/net/phy/mdio-cavium.h
>   create mode 100644 drivers/net/phy/mdio-thunder.c
>