From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Wed, 23 Sep 2015 17:37:48 +0100 Subject: [PATCH v2 1/3] Docs: dt: Add PCI MSI map bindings In-Reply-To: <1442966406-13198-2-git-send-email-ddaney.cavm@gmail.com> References: <1442966406-13198-1-git-send-email-ddaney.cavm@gmail.com> <1442966406-13198-2-git-send-email-ddaney.cavm@gmail.com> Message-ID: <20150923173748.0c684c6a@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 22 Sep 2015 17:00:04 -0700 David Daney wrote: > From: Mark Rutland > > 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 > Signed-off-by: David Daney I thought I had done it already, but nevertheless: Acked-by: Marc Zyngier M. -- Jazz is not dead. It just smells funny.