From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH 6/6] PCI: generic: Allow bus default MSI controller to be specified. Date: Tue, 15 Sep 2015 18:53:27 +0100 Message-ID: <20150915175327.GM31157@arm.com> References: <1442013719-5001-1-git-send-email-ddaney.cavm@gmail.com> <1442013719-5001-7-git-send-email-ddaney.cavm@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1442013719-5001-7-git-send-email-ddaney.cavm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Daney Cc: "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Rob Herring , Frank Rowand , "grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org" , Bjorn Helgaas , "linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , David Daney , lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org, marc.zyngier-5wv7dgnIgG8@public.gmane.org List-Id: devicetree@vger.kernel.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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html