From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Tue, 15 Sep 2015 18:53:27 +0100 Subject: [PATCH 6/6] PCI: generic: Allow bus default MSI controller to be specified. In-Reply-To: <1442013719-5001-7-git-send-email-ddaney.cavm@gmail.com> References: <1442013719-5001-1-git-send-email-ddaney.cavm@gmail.com> <1442013719-5001-7-git-send-email-ddaney.cavm@gmail.com> Message-ID: <20150915175327.GM31157@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sat, Sep 12, 2015 at 12:21:59AM +0100, David Daney wrote: > From: David Daney > > If the device tree node for the bus has a "msi-parent" property, use > that as the default MSI controller for devices on the bus. Add device > tree binding documentation describing the new property. > > This allows the pci-host-generic driver to be used in systems with > multiple MSI controllers. > > Signed-off-by: David Daney > --- > .../devicetree/bindings/pci/host-generic-pci.txt | 5 +++++ > drivers/pci/host/pci-host-generic.c | 15 +++++++++++++-- > 2 files changed, 18 insertions(+), 2 deletions(-) I don't think you need this anymore with 4.3-rc1. The core IRQ subsystem should take care of parsing and configuring the MSI parents. Will