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Message-ID: <20150923173748.0c684c6a@arm.com>
Date: Wed, 23 Sep 2015 17:37:48 +0100
From: Marc Zyngier <marc.zyngier@....com>
To: David Daney <ddaney.cavm@...il.com>
Cc: <linux-kernel@...r.kernel.org>, Will Deacon <will.deacon@....com>,
"Rob Herring" <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
"Kumar Gala" <galak@...eaurora.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>,
"Grant Likely" <grant.likely@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
"Jason Cooper" <jason@...edaemon.net>,
David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v2 1/3] Docs: dt: Add PCI MSI map bindings
On Tue, 22 Sep 2015 17:00:04 -0700
David Daney <ddaney.cavm@...il.com> wrote:
> From: Mark Rutland <mark.rutland@....com>
>
> Currently msi-parent is used by a few bindings to describe the
> relationship between a PCI root complex and a single MSI controller, but
> this property does not have a generic binding document.
>
> Additionally, msi-parent is insufficient to describe more complex
> relationships between MSI controllers and devices under a root complex,
> where devices may be able to target multiple MSI controllers, or where
> MSI controllers use (non-probeable) sideband information to distinguish
> devices.
>
> This patch adds a generic binding for mapping PCI devices to MSI
> controllers. This document covers msi-parent, and a new msi-map property
> (specific to PCI*) which may be used to map devices (identified by their
> Requester ID) to sideband data for each MSI controller that they may
> target.
>
> Signed-off-by: Mark Rutland <mark.rutland@....com>
> Signed-off-by: David Daney <david.daney@...ium.com>
I thought I had done it already, but nevertheless:
Acked-by: Marc Zyngier <marc.zyngier@....com>
M.
--
Jazz is not dead. It just smells funny.
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