From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>, Kumar Gala <galak@codeaurora.org>,
"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>
Subject: Re: [PATCH v2 3/3] PCI: ARM: add support for generic PCI host controller
Date: Thu, 13 Feb 2014 13:20:14 -0700 [thread overview]
Message-ID: <20140213202014.GF17248@obsidianresearch.com> (raw)
In-Reply-To: <20140213195317.GQ13576@mudshark.cambridge.arm.com>
On Thu, Feb 13, 2014 at 07:53:17PM +0000, Will Deacon wrote:
> > This may be less than 256 busses, as ECAM allows the implementor to
> > select how many upper address bits are actually supported.
>
> Ok, but the ECAM/CAM base always corresponds to bus 0, right?
Yes, or it isn't ECAM.
> Ok, so this answers Kumar's point about the reg property. I'll augment it
> with a size.
Don't forget to request_region it as well...
Jason
WARNING: multiple messages have this Message-ID (diff)
From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
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 13:20:14 -0700 [thread overview]
Message-ID: <20140213202014.GF17248@obsidianresearch.com> (raw)
In-Reply-To: <20140213195317.GQ13576@mudshark.cambridge.arm.com>
On Thu, Feb 13, 2014 at 07:53:17PM +0000, Will Deacon wrote:
> > This may be less than 256 busses, as ECAM allows the implementor to
> > select how many upper address bits are actually supported.
>
> Ok, but the ECAM/CAM base always corresponds to bus 0, right?
Yes, or it isn't ECAM.
> Ok, so this answers Kumar's point about the reg property. I'll augment it
> with a size.
Don't forget to request_region it as well...
Jason
next prev parent reply other threads:[~2014-02-13 20:20 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
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 [this message]
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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