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From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	linux-pci@vger.kernel.org
Cc: "Russell King" <linux@arm.linux.org.uk>,
	"Antoine Tenart" <antoine.tenart@bootlin.com>,
	"Gregory Clement" <gregory.clement@bootlin.com>,
	"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
	"Nadav Haklai" <nadavh@marvell.com>,
	"Victor Gu" <xigu@marvell.com>,
	"Miquèl Raynal" <miquel.raynal@bootlin.com>,
	"Zachary Zhang" <zhangzg@marvell.com>,
	"Wilson Ding" <dingwei@marvell.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/3] PCI: emulated PCI bridge common logic
Date: Thu, 12 Jul 2018 11:24:46 +0200	[thread overview]
Message-ID: <20180712112446.74998bd9@windsurf> (raw)
In-Reply-To: <20180629092231.32207-1-thomas.petazzoni@bootlin.com>

Bjorn, Lorenzo,

On Fri, 29 Jun 2018 11:22:28 +0200, Thomas Petazzoni wrote:

> The pci-mvebu driver already contains some logic to emulate a root
> port PCI bridge. It turns out that we have a similar need for the
> pci-aardvark driver. Instead of duplicating the same logic in two
> drivers, this patch series starts by adding a small common
> infrastructure that helps emulate a root port PCI bridge, converts
> pci-mvebu to use it, and finally extends pci-aardvark to use it as
> well.
> 
> Thanks to this, Marvell Armada 3720 based systems, which use the
> Aarkvark PCI controller, will have better PCI support, by having a
> root port PCI bridge exposed.
> 
> The emulated PCI bridge common logic is a proposal, I very much
> welcome comments and suggestions. Also, if you feel that adding a
> common logic for only two drivers is too early, I'm fine with
> duplicating a bit of code betwen pci-mvebu and pci-aardvark.

I was wondering if you had any feedback on this patch series. Not
necessarily a detailed review, but at least some general
feeling/feedback on the overall approach would be very nice.

Thanks a lot,

Thomas Petazzoni
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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WARNING: multiple messages have this Message-ID (diff)
From: thomas.petazzoni@bootlin.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] PCI: emulated PCI bridge common logic
Date: Thu, 12 Jul 2018 11:24:46 +0200	[thread overview]
Message-ID: <20180712112446.74998bd9@windsurf> (raw)
In-Reply-To: <20180629092231.32207-1-thomas.petazzoni@bootlin.com>

Bjorn, Lorenzo,

On Fri, 29 Jun 2018 11:22:28 +0200, Thomas Petazzoni wrote:

> The pci-mvebu driver already contains some logic to emulate a root
> port PCI bridge. It turns out that we have a similar need for the
> pci-aardvark driver. Instead of duplicating the same logic in two
> drivers, this patch series starts by adding a small common
> infrastructure that helps emulate a root port PCI bridge, converts
> pci-mvebu to use it, and finally extends pci-aardvark to use it as
> well.
> 
> Thanks to this, Marvell Armada 3720 based systems, which use the
> Aarkvark PCI controller, will have better PCI support, by having a
> root port PCI bridge exposed.
> 
> The emulated PCI bridge common logic is a proposal, I very much
> welcome comments and suggestions. Also, if you feel that adding a
> common logic for only two drivers is too early, I'm fine with
> duplicating a bit of code betwen pci-mvebu and pci-aardvark.

I was wondering if you had any feedback on this patch series. Not
necessarily a detailed review, but at least some general
feeling/feedback on the overall approach would be very nice.

Thanks a lot,

Thomas Petazzoni
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

  parent reply	other threads:[~2018-07-12  9:24 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-29  9:22 [PATCH 0/3] PCI: emulated PCI bridge common logic Thomas Petazzoni
2018-06-29  9:22 ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 1/3] PCI: Introduce PCI software " Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2018-07-12 19:58   ` Bjorn Helgaas
2018-07-12 19:58     ` Bjorn Helgaas
2018-08-01  8:49     ` Thomas Petazzoni
2018-08-01  8:49       ` Thomas Petazzoni
2018-08-01  9:21       ` Russell King - ARM Linux
2018-08-01  9:21         ` Russell King - ARM Linux
2018-08-01  9:37         ` Thomas Petazzoni
2018-08-01  9:37           ` Thomas Petazzoni
2018-08-01  9:54         ` Thomas Petazzoni
2018-08-01  9:54           ` Thomas Petazzoni
2018-08-01 11:13       ` Thomas Petazzoni
2018-08-01 11:13         ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 2/3] PCI: mvebu: Convert to PCI software bridge Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 3/3] PCI: aardvark: Implement emulated root PCI bridge Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2022-01-07 21:27   ` Bjorn Helgaas
2022-01-07 21:27     ` Bjorn Helgaas
2022-01-07 23:17     ` Bjorn Helgaas
2022-01-07 23:17       ` Bjorn Helgaas
2022-01-10  9:17       ` Pali Rohár
2022-01-10  9:17         ` Pali Rohár
2022-01-10  2:21     ` Marek Behún
2022-01-10  2:21       ` Marek Behún
2018-07-12  9:24 ` Thomas Petazzoni [this message]
2018-07-12  9:24   ` [PATCH 0/3] PCI: emulated PCI bridge common logic Thomas Petazzoni

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