netdev - Re: [net-next: PATCH v4 0/7] Armada 7k/8k PP2 ACPI support

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Date:   Mon, 22 Jan 2018 16:21:47 +0100
From:   Marcin Wojtas <mw@...ihalf.com>
To:     David Miller <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Antoine Ténart <antoine.tenart@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org,
        netdev <netdev@...r.kernel.org>, linux-acpi@...r.kernel.org,
        Graeme Gregory <graeme.gregory@...aro.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Gregory Clément 
        <gregory.clement@...e-electrons.com>,
        Stefan Chulski <stefanc@...vell.com>, nadavh@...vell.com,
        Neta Zur Hershkovits <neta@...vell.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Grzegorz Jaszczyk <jaz@...ihalf.com>,
        Tomasz Nowicki <tn@...ihalf.com>
Subject: Re: [net-next: PATCH v4 0/7] Armada 7k/8k PP2 ACPI support

2018-01-22 15:43 GMT+01:00 Andrew Lunn <andrew@...n.ch>:
> On Mon, Jan 22, 2018 at 09:35:25AM -0500, David Miller wrote:
>> From: Marcin Wojtas <mw@...ihalf.com>
>> Date: Mon, 22 Jan 2018 14:00:37 +0100
>>
>> > There's a discussion about the ACPI vs generic MDIO/PHY change under
>> > initial version of the patchset, however the patches in question were
>> > for now abandoned from further re-sends.
>>
>> But doesn't the results of that discussion determine whether the way ACPI
>> is being used in this patch series is what we want to do or not?
>
> Hi David
>
> The patches submitted here don't involve any ACPI for MDIO or PHY. It
> is all MAC. And it is using standard ACPI primitives for devices,
> nothing new.
>
> It is not setting any precedence for MDIO and PHY. That is totally out
> of scope for these patches. Whatever is decided for MDIO and PHY can
> be added later.
>

Indeed, generic helper routines will be used in drivers (net and
others) and the mvpp2 with this patchset is ready to whatever shape
MDIO+ACPI goes in future, so there will be no need to revert any
changes there.

Best regards,
Marcin