linux-kernel - RE: [EXT] Re: [PATCH v1 0/7] ACPI support for xgmac

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Date:   Wed, 5 Feb 2020 08:31:47 +0000
From:   "Calvin Johnson (OSS)" <calvin.johnson@....nxp.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        "linux.cj@...il.com" <linux.cj@...il.com>,
        Jon Nettleton <jon@...id-run.com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        Makarand Pawagi <makarand.pawagi@....com>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Varun Sethi <V.Sethi@....com>,
        Pankaj Bansal <pankaj.bansal@....com>,
        "Rajesh V. Bikkina" <rajesh.bikkina@....com>,
        Jeremy Linton <jeremy.linton@....com>
CC:     "Calvin Johnson (OSS)" <calvin.johnson@....nxp.com>,
        Andrew Lunn <andrew@...n.ch>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>,
        "Madalin Bucur (OSS)" <madalin.bucur@....nxp.com>,
        Matteo Croce <mcroce@...hat.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH v1 0/7] ACPI support for xgmac_mdio and
 dpaa2-mac drivers.

Hi Florian

> -----Original Message-----
> From: Florian Fainelli <f.fainelli@...il.com>
> Sent: Monday, February 3, 2020 11:32 PM
> To: Calvin Johnson <calvin.johnson@....com>; linux.cj@...il.com; Jon

<snip>

> On 1/31/20 7:34 AM, Calvin Johnson wrote:
> > From: Calvin Johnson <calvin.johnson@....nxp.com>
> >
> > This patch series provides ACPI support for xgmac_mdio and dpaa2-mac
> > driver. Most of the DT APIs are replaced with fwnode APIs to handle
> > both DT and ACPI nodes.
> >
> > Old patch by Marcin Wojtas: (mdio_bus: Introduce fwnode MDIO helpers),
> > is reused in this series to get some fwnode mdio helper APIs.
> 
> Andrew's comment on your first patch is a good summary of what this patch
> series does, instead of consolidating the existing code and making it less of_*
> centric and more firmware agnostic, this duplicates the existing infrastructure
> almost line for line to create a fwnode specific implementation. The
> preference would be for you to move away from that and use device_*
> properties as much as possible while making the code capable of handling all
> firmware implementations.

Thanks for the suggestion. Will take this direction for v2.

> Can you also show a few DSDT for the devices that you are working so we can
> a feeling of how you represented the various properties and parent/child
> devices dependencies?

https://source.codeaurora.org/external/qoriq/qoriq-components/edk2-platforms/tree/Platform/NXP/LX2160aRdbPkg/AcpiTables/Dsdt/Mdio.asl?h=LX2160_UEFI_ACPI_EAR1
https://source.codeaurora.org/external/qoriq/qoriq-components/edk2-platforms/tree/Platform/NXP/LX2160aRdbPkg/AcpiTables/Dsdt/Mc.asl?h=LX2160_UEFI_ACPI_EAR1

Thanks
Calvin