linux-kernel - Re: [net-next PATCH v2 0/3] Introduce new APIs to support phylink and phy layers

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Date:   Mon, 27 Apr 2020 14:58:20 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Calvin Johnson <calvin.johnson@....nxp.com>
Cc:     linux.cj@...il.com, Jeremy Linton <jeremy.linton@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Florin Laurentiu Chiculita <florinlaurentiu.chiculita@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Madalin Bucur <madalin.bucur@....nxp.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        Diana Madalina Craciun <diana.craciun@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        linux-acpi@...r.kernel.org, Marcin Wojtas <mw@...ihalf.com>,
        Makarand Pawagi <makarand.pawagi@....com>,
        "Rajesh V . Bikkina" <rajesh.bikkina@....com>,
        Varun Sethi <V.Sethi@....com>, linux-kernel@...r.kernel.org,
        Pankaj Bansal <pankaj.bansal@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [net-next PATCH v2 0/3] Introduce new APIs to support phylink
 and phy layers

On Mon, Apr 27, 2020 at 06:54:06PM +0530, Calvin Johnson wrote:
> Following functions are defined:
>   phylink_fwnode_phy_connect()
>   phylink_device_phy_connect()
>   fwnode_phy_find_device()
>   device_phy_find_device()
>   fwnode_get_phy_node()
> 
> First two help in connecting phy to phylink instance.
> Next two help in finding a phy on a mdiobus.
> Last one helps in getting phy_node from a fwnode.
> 
> Changes in v2:
>   move phy code from base/property.c to net/phy/phy_device.c
>   replace acpi & of code to get phy-handle with fwnode_find_reference
>   replace of_ and acpi_ code with generic fwnode to get phy-handle.
> 
> Calvin Johnson (3):
>   device property: Introduce phy related fwnode functions
>   net: phy: alphabetically sort header includes
>   phylink: Introduce phylink_fwnode_phy_connect()

Thanks for this, but there's more work that needs to be done here.  I
also think that we must have an ack from ACPI people before this can be
accepted - you are in effect proposing a new way for representing PHYs
in ACPI.

> 
>  drivers/net/phy/phy_device.c | 83 ++++++++++++++++++++++++++++++------
>  drivers/net/phy/phylink.c    | 68 +++++++++++++++++++++++++++++
>  include/linux/phy.h          |  3 ++
>  include/linux/phylink.h      |  6 +++
>  4 files changed, 146 insertions(+), 14 deletions(-)
> 
> -- 
> 2.17.1
> 
> 

-- 
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