[PATCH v2 1/3] Docs: dt: Add PCI MSI map bindings

Marc Zyngier marc.zyngier at arm.com
Wed Sep 23 09:37:48 PDT 2015


On Tue, 22 Sep 2015 17:00:04 -0700
David Daney <ddaney.cavm at gmail.com> wrote:

> From: Mark Rutland <mark.rutland at arm.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 at arm.com>
> Signed-off-by: David Daney <david.daney at cavium.com>

I thought I had done it already, but nevertheless:

Acked-by: Marc Zyngier <marc.zyngier at arm.com>

	M.
-- 
Jazz is not dead. It just smells funny.



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