From: Will Deacon <will.deacon@arm.com>
To: David Daney <ddaney.cavm@gmail.com>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
"grant.likely@linaro.org" <grant.likely@linaro.org>,
Bjorn Helgaas <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Pawel Moll <Pawel.Moll@arm.com>,
Mark Rutland <Mark.Rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
David Daney <david.daney@cavium.com>,
lorenzo.pieralisi@arm.com, marc.zyngier@arm.com
Subject: Re: [PATCH 6/6] PCI: generic: Allow bus default MSI controller to be specified.
Date: Tue, 15 Sep 2015 18:53:27 +0100 [thread overview]
Message-ID: <20150915175327.GM31157@arm.com> (raw)
In-Reply-To: <1442013719-5001-7-git-send-email-ddaney.cavm@gmail.com>
On Sat, Sep 12, 2015 at 12:21:59AM +0100, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> 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 <david.daney@cavium.com>
> ---
> .../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
next prev parent reply other threads:[~2015-09-15 17:53 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-11 23:21 [PATCH 0/6] PCI: generic: Misc. bug fixes and enhanced support for MSI David Daney
2015-09-11 23:21 ` [PATCH 1/6] PCI: Make global and export pdev_fixup_irq() David Daney
2015-09-11 23:21 ` [PATCH 2/6] PCI: generic: Only fixup irqs for bus we are creating David Daney
2015-09-15 17:36 ` Will Deacon
2015-09-15 17:49 ` David Daney
2015-09-16 10:32 ` Lorenzo Pieralisi
2015-09-17 17:13 ` David Daney
2015-09-11 23:21 ` [PATCH 3/6] PCI: generic: Quit clobbering our pci_ops David Daney
2015-09-15 17:40 ` Will Deacon
2015-09-11 23:21 ` [PATCH 4/6] PCI: generic: Correct, and avoid overflow, in bus_max calculation David Daney
2015-09-15 17:49 ` Will Deacon
2015-09-15 18:02 ` David Daney
2015-09-15 18:35 ` Will Deacon
2015-09-15 18:45 ` David Daney
2015-09-16 10:41 ` Will Deacon
2015-09-16 11:28 ` Lorenzo Pieralisi
2015-09-16 17:29 ` Will Deacon
2015-09-16 17:39 ` David Daney
2015-09-11 23:21 ` [PATCH 5/6] PCI: generic: Pass proper starting bus number to pci_scan_root_bus() David Daney
2015-09-15 17:55 ` Will Deacon
2015-09-11 23:21 ` [PATCH 6/6] PCI: generic: Allow bus default MSI controller to be specified David Daney
2015-09-15 17:53 ` Will Deacon [this message]
2015-09-15 18:25 ` David Daney
2015-09-15 18:06 ` [PATCH 0/6] PCI: generic: Misc. bug fixes and enhanced support for MSI David Daney
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