linux-kernel - Re: [RFC 10/10] net: sfp: add support for fwnode

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Message-ID: <YhYZAc5+Q1rN3vhk@smile.fi.intel.com>
Date:   Wed, 23 Feb 2022 13:22:41 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Clément Léger <clement.leger@...tlin.com>,
        Hans de Goede <hdegoede@...hat.com>
Cc:     Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Wolfram Sang <wsa@...nel.org>, Peter Rosin <peda@...ntia.se>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-i2c@...r.kernel.org,
        netdev@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: Re: [RFC 10/10] net: sfp: add support for fwnode

On Tue, Feb 22, 2022 at 02:25:13PM +0100, Clément Léger wrote:
> Le Mon, 21 Feb 2022 19:57:39 +0200,
> Andy Shevchenko <andriy.shevchenko@...ux.intel.com> a écrit :
> 
> > On Mon, Feb 21, 2022 at 05:26:52PM +0100, Clément Léger wrote:
> > > Add support to retrieve a i2c bus in sfp with a fwnode. This support
> > > is using the fwnode API which also works with device-tree and ACPI.
> > > For this purpose, the device-tree and ACPI code handling the i2c
> > > adapter retrieval was factorized with the new code. This also allows
> > > i2c devices using a software_node description to be used by sfp code.  
> > 
> > If I'm not mistaken this patch can even go separately right now, since all used
> > APIs are already available.
> 
> This patches uses fwnode_find_i2c_adapter_by_node() which is introduced
> by "i2c: fwnode: add fwnode_find_i2c_adapter_by_node()" but they can
> probably be contributed both in a separate series.

I summon Hans into the discussion since I remember he recently refactored
a bit I2C (ACPI/fwnode) APIs. Also he might have an idea about entire big
picture approach with this series based on his ACPI experience.

-- 
With Best Regards,
Andy Shevchenko