linux-kernel - Re: [PATCH v2 1/3] Docs: dt: Add PCI MSI map bindings

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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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