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From: David Daney <ddaney@caviumnetworks.com>
To: Will Deacon <will.deacon@arm.com>
Cc: David Daney <ddaney.cavm@gmail.com>,
	"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 11:25:25 -0700	[thread overview]
Message-ID: <55F86295.9030409@caviumnetworks.com> (raw)
In-Reply-To: <20150915175327.GM31157@arm.com>

On 09/15/2015 10:53 AM, Will Deacon wrote:
> 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.

I will re-test and see if I can make it work.

David Daney


>
> Will
>


WARNING: multiple messages have this Message-ID (diff)
From: ddaney@caviumnetworks.com (David Daney)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] PCI: generic: Allow bus default MSI controller to be specified.
Date: Tue, 15 Sep 2015 11:25:25 -0700	[thread overview]
Message-ID: <55F86295.9030409@caviumnetworks.com> (raw)
In-Reply-To: <20150915175327.GM31157@arm.com>

On 09/15/2015 10:53 AM, Will Deacon wrote:
> 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.

I will re-test and see if I can make it work.

David Daney


>
> Will
>

WARNING: multiple messages have this Message-ID (diff)
From: David Daney <ddaney@caviumnetworks.com>
To: Will Deacon <will.deacon@arm.com>
Cc: David Daney <ddaney.cavm@gmail.com>,
	"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 11:25:25 -0700	[thread overview]
Message-ID: <55F86295.9030409@caviumnetworks.com> (raw)
In-Reply-To: <20150915175327.GM31157@arm.com>

On 09/15/2015 10:53 AM, Will Deacon wrote:
> 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.

I will re-test and see if I can make it work.

David Daney


>
> Will
>

  reply	other threads:[~2015-09-15 18:25 UTC|newest]

Thread overview: 59+ 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 ` 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   ` David Daney
2015-09-11 23:21 ` [PATCH 2/6] PCI: generic: Only fixup irqs for bus we are creating David Daney
2015-09-11 23:21   ` David Daney
2015-09-15 17:36   ` Will Deacon
2015-09-15 17:36     ` Will Deacon
2015-09-15 17:36     ` Will Deacon
2015-09-15 17:49     ` David Daney
2015-09-15 17:49       ` David Daney
2015-09-15 17:49       ` David Daney
2015-09-16 10:32       ` Lorenzo Pieralisi
2015-09-16 10:32         ` Lorenzo Pieralisi
2015-09-16 10:32         ` Lorenzo Pieralisi
2015-09-17 17:13         ` David Daney
2015-09-17 17:13           ` David Daney
2015-09-11 23:21 ` [PATCH 3/6] PCI: generic: Quit clobbering our pci_ops David Daney
2015-09-11 23:21   ` David Daney
2015-09-15 17:40   ` Will Deacon
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
2015-09-11 23:21   ` David Daney
2015-09-15 17:49   ` Will Deacon
2015-09-15 17:49     ` Will Deacon
2015-09-15 18:02     ` David Daney
2015-09-15 18:02       ` David Daney
2015-09-15 18:02       ` David Daney
2015-09-15 18:35       ` Will Deacon
2015-09-15 18:35         ` Will Deacon
2015-09-15 18:35         ` Will Deacon
2015-09-15 18:45         ` David Daney
2015-09-15 18:45           ` David Daney
2015-09-16 10:41           ` Will Deacon
2015-09-16 10:41             ` Will Deacon
2015-09-16 10:41             ` Will Deacon
2015-09-16 11:28             ` Lorenzo Pieralisi
2015-09-16 11:28               ` Lorenzo Pieralisi
2015-09-16 11:28               ` Lorenzo Pieralisi
2015-09-16 17:29               ` Will Deacon
2015-09-16 17:29                 ` Will Deacon
2015-09-16 17:29                 ` Will Deacon
2015-09-16 17:39                 ` David Daney
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
2015-09-11 23:21   ` David Daney
2015-09-15 17:55   ` Will Deacon
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
2015-09-11 23:21   ` David Daney
2015-09-15 17:53   ` Will Deacon
2015-09-15 17:53     ` Will Deacon
2015-09-15 17:53     ` Will Deacon
2015-09-15 18:25     ` David Daney [this message]
2015-09-15 18:25       ` David Daney
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
2015-09-15 18:06   ` David Daney
2015-09-15 18:06   ` David Daney

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