From: Arnd Bergmann <arnd@arndb.de>
To: Will Deacon <will.deacon@arm.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"jgunthorpe@obsidianresearch.com"
<jgunthorpe@obsidianresearch.com>
Subject: Re: [PATCH v2 3/3] PCI: ARM: add support for generic PCI host controller
Date: Thu, 13 Feb 2014 13:21:04 +0100 [thread overview]
Message-ID: <4122896.snWHKCSulY@wuerfel> (raw)
In-Reply-To: <20140213120042.GE13576@mudshark.cambridge.arm.com>
On Thursday 13 February 2014 12:00:42 Will Deacon wrote:
> > With the patch I just suggested, we can simply keep
> > pci_common_init_dev() for older (non-multiplatform) controllers
> > and not change them at all but move on to something else for
> > the interesting ones, i.e. those we want to share with arm64.
>
> Yes, that looks sensible. An alternative is to create an hw_pci in
> pci_host_bridge_register with nr_controllers = 1 then call
> pci_common_init_dev. It would remove slightly more code, but obviously ties
> the thing to arm.
You'd still need to pass all the contents of the hw_pci struct that
get copied into pci_sys_data, so that's not different from passing
hw_pci as we do today.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/3] PCI: ARM: add support for generic PCI host controller
Date: Thu, 13 Feb 2014 13:21:04 +0100 [thread overview]
Message-ID: <4122896.snWHKCSulY@wuerfel> (raw)
In-Reply-To: <20140213120042.GE13576@mudshark.cambridge.arm.com>
On Thursday 13 February 2014 12:00:42 Will Deacon wrote:
> > With the patch I just suggested, we can simply keep
> > pci_common_init_dev() for older (non-multiplatform) controllers
> > and not change them at all but move on to something else for
> > the interesting ones, i.e. those we want to share with arm64.
>
> Yes, that looks sensible. An alternative is to create an hw_pci in
> pci_host_bridge_register with nr_controllers = 1 then call
> pci_common_init_dev. It would remove slightly more code, but obviously ties
> the thing to arm.
You'd still need to pass all the contents of the hw_pci struct that
get copied into pci_sys_data, so that's not different from passing
hw_pci as we do today.
Arnd
next prev parent reply other threads:[~2014-02-13 12:21 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 20:16 [PATCH v2 0/3] ARM: PCI: implement generic PCI host controller Will Deacon
2014-02-12 20:16 ` Will Deacon
2014-02-12 20:16 ` [PATCH v2 1/3] ARM: mach-virt: allow PCI support to be selected Will Deacon
2014-02-12 20:16 ` Will Deacon
2014-02-12 20:16 ` [PATCH v2 2/3] ARM: bios32: use pci_enable_resource to enable PCI resources Will Deacon
2014-02-12 20:16 ` Will Deacon
2014-02-12 22:28 ` Jason Gunthorpe
2014-02-12 22:28 ` Jason Gunthorpe
2014-02-13 10:06 ` Will Deacon
2014-02-13 10:06 ` Will Deacon
2014-02-13 12:22 ` Jingoo Han
2014-02-13 12:22 ` Jingoo Han
2014-02-12 20:16 ` [PATCH v2 3/3] PCI: ARM: add support for generic PCI host controller Will Deacon
2014-02-12 20:16 ` Will Deacon
2014-02-12 20:59 ` Arnd Bergmann
2014-02-12 20:59 ` Arnd Bergmann
2014-02-13 11:04 ` Will Deacon
2014-02-13 11:04 ` Will Deacon
2014-02-13 11:47 ` Arnd Bergmann
2014-02-13 11:47 ` Arnd Bergmann
2014-02-13 12:00 ` Will Deacon
2014-02-13 12:00 ` Will Deacon
2014-02-13 12:21 ` Arnd Bergmann [this message]
2014-02-13 12:21 ` Arnd Bergmann
2014-02-12 21:51 ` Kumar Gala
2014-02-12 21:51 ` Kumar Gala
2014-02-13 11:07 ` Will Deacon
2014-02-13 11:07 ` Will Deacon
2014-02-13 16:22 ` Kumar Gala
2014-02-13 16:22 ` Kumar Gala
2014-02-13 16:25 ` Will Deacon
2014-02-13 16:25 ` Will Deacon
2014-02-13 16:28 ` Arnd Bergmann
2014-02-13 16:28 ` Arnd Bergmann
2014-02-13 18:11 ` Mark Rutland
2014-02-13 18:11 ` Mark Rutland
2014-02-13 18:11 ` Mark Rutland
2014-02-13 18:26 ` Jason Gunthorpe
2014-02-13 18:26 ` Jason Gunthorpe
2014-02-13 19:53 ` Will Deacon
2014-02-13 19:53 ` Will Deacon
2014-02-13 20:20 ` Jason Gunthorpe
2014-02-13 20:20 ` Jason Gunthorpe
2014-02-14 9:59 ` Arnd Bergmann
2014-02-14 9:59 ` Arnd Bergmann
2014-02-14 22:00 ` Liviu Dudau
2014-02-14 22:00 ` Liviu Dudau
2014-02-15 13:03 ` Arnd Bergmann
2014-02-15 13:03 ` Arnd Bergmann
2014-02-18 17:41 ` Jason Gunthorpe
2014-02-18 17:41 ` Jason Gunthorpe
2014-02-18 18:25 ` Arnd Bergmann
2014-02-18 18:25 ` Arnd Bergmann
2014-02-18 18:45 ` Jason Gunthorpe
2014-02-18 18:45 ` Jason Gunthorpe
2014-02-18 19:13 ` Arnd Bergmann
2014-02-18 19:13 ` Arnd Bergmann
2014-02-19 2:44 ` Liviu Dudau
2014-02-19 2:44 ` Liviu Dudau
2014-02-19 6:48 ` Jason Gunthorpe
2014-02-19 6:48 ` Jason Gunthorpe
2014-02-19 10:24 ` Arnd Bergmann
2014-02-19 10:24 ` Arnd Bergmann
2014-02-19 11:37 ` Liviu Dudau
2014-02-19 11:37 ` Liviu Dudau
2014-02-19 13:26 ` Arnd Bergmann
2014-02-19 13:26 ` Arnd Bergmann
2014-02-19 15:30 ` Liviu Dudau
2014-02-19 15:30 ` Liviu Dudau
2014-02-19 19:47 ` Arnd Bergmann
2014-02-19 19:47 ` Arnd Bergmann
2014-02-19 0:28 ` Bjorn Helgaas
2014-02-19 0:28 ` Bjorn Helgaas
2014-02-19 9:58 ` Arnd Bergmann
2014-02-19 9:58 ` Arnd Bergmann
2014-02-19 18:20 ` Bjorn Helgaas
2014-02-19 18:20 ` Bjorn Helgaas
2014-02-19 19:06 ` Arnd Bergmann
2014-02-19 19:06 ` Arnd Bergmann
2014-02-19 20:18 ` Bjorn Helgaas
2014-02-19 20:18 ` Bjorn Helgaas
2014-02-19 20:48 ` Arnd Bergmann
2014-02-19 20:48 ` Arnd Bergmann
2014-02-19 21:10 ` Jason Gunthorpe
2014-02-19 21:10 ` Jason Gunthorpe
2014-02-19 21:33 ` Bjorn Helgaas
2014-02-19 21:33 ` Bjorn Helgaas
2014-02-19 22:12 ` Arnd Bergmann
2014-02-19 22:12 ` Arnd Bergmann
2014-02-19 22:18 ` Bjorn Helgaas
2014-02-19 22:18 ` Bjorn Helgaas
2014-02-13 19:52 ` Rob Herring
2014-02-13 19:52 ` Rob Herring
2014-02-13 18:06 ` Jason Gunthorpe
2014-02-13 18:06 ` Jason Gunthorpe
2014-02-13 19:51 ` Will Deacon
2014-02-13 19:51 ` Will Deacon
2014-02-13 18:26 ` [PATCH v2 0/3] ARM: PCI: implement " Jason Gunthorpe
2014-02-13 18:26 ` Jason Gunthorpe
2014-02-14 11:05 ` Arnd Bergmann
2014-02-14 11:05 ` Arnd Bergmann
2014-02-18 18:00 ` Jason Gunthorpe
2014-02-18 18:00 ` Jason Gunthorpe
2014-02-18 18:40 ` Arnd Bergmann
2014-02-18 18:40 ` Arnd Bergmann
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