From mboxrd@z Thu Jan  1 00:00:00 1970
From: graeme.gregory@linaro.org
Subject: Re: [net-next: PATCH v2 5/5] net: mvpp2: enable ACPI support in the
 driver
Date: Wed, 3 Jan 2018 11:16:11 +0000
Message-ID: <20180103111611.GB21230@xora-haswell>
References: <1514721520-18964-1-git-send-email-mw@semihalf.com>
 <1514721520-18964-6-git-send-email-mw@semihalf.com>
 <20171231192354.GB20455@lunn.ch>
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Cc: Marcin Wojtas <mw@semihalf.com>, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org,
        linux-acpi@vger.kernel.org, davem@davemloft.net,
        linux@armlinux.org.uk, rafael.j.wysocki@intel.com,
        f.fainelli@gmail.com, antoine.tenart@free-electrons.com,
        thomas.petazzoni@free-electrons.com,
        gregory.clement@free-electrons.com,
        ezequiel.garcia@free-electrons.com, nadavh@marvell.com,
        neta@marvell.com, ard.biesheuvel@linaro.org, jaz@semihalf.com,
        tn@semihalf.com
To: Andrew Lunn <andrew@lunn.ch>
Return-path: <linux-acpi-owner@vger.kernel.org>
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Sender: linux-acpi-owner@vger.kernel.org
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On Sun, Dec 31, 2017 at 08:23:54PM +0100, Andrew Lunn wrote:
> > * Modify way of obtaining interrupts - with ACPI they are resources
> >   bound to struct platform_device and it's not possible to obtain
> >   them directly from the child node. Hence a formula is used, depending
> >   on the port_id and number of possible CPUs.
>=20
> Hi Marcin
>=20
> I know nothing about ACPI. Is this limitation with respect to
> interrupts fundamental to ACPI, or just that nobody has implemented
> flexible interrupt support yet?
>=20
The infrastructure is there to traverse trees of children, but I don't
think there any helper functions.

Graeme


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