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Date:   Fri, 14 Feb 2020 16:19:57 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Pankaj Bansal <pankaj.bansal@....com>
Cc:     Marc Zyngier <maz@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Makarand Pawagi <makarand.pawagi@....com>,
        Calvin Johnson <calvin.johnson@....com>,
        "stuyoder@...il.com" <stuyoder@...il.com>,
        "nleeder@...eaurora.org" <nleeder@...eaurora.org>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Will Deacon <will@...nel.org>,
        "jon@...id-run.com" <jon@...id-run.com>,
        Russell King <linux@...linux.org.uk>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Len Brown <lenb@...nel.org>,
        Jason Cooper <jason@...edaemon.net>,
        Andy Wang <Andy.Wang@....com>, Varun Sethi <V.Sethi@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Paul Yang <Paul.Yang@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Shameerali Kolothum Thodi 
        <shameerali.kolothum.thodi@...wei.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [EXT] Re: [PATCH] bus: fsl-mc: Add ACPI support for fsl-mc

On Fri, Feb 14, 2020 at 03:58:14PM +0000, Pankaj Bansal wrote:

[...]

> > Why should the device know about its own ID? That's a bus/interconnect thing.
> > And nothing should be passed *to* IORT. IORT is the source.
> 
> IORT is translation between Input IDs <-> Output IDs. The Input ID is still expected to be passed to parse IORT table.

Named components use an array of single mappings (as in entries with
single mapping flag set) - Input ID is irrelevant.

Not sure what your named component is though and what you want to do
with it, the fact that IORT allows mapping for named components do
not necessarily mean that it can describe what your system really is,
on that you need to elaborate for us to be able to help.

Lorenzo

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