From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 6/6] ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC
Date: Fri, 7 Jun 2013 19:43:18 +0200 [thread overview]
Message-ID: <201306071943.18407.arnd@arndb.de> (raw)
In-Reply-To: <20130607162050.GA31895@obsidianresearch.com>
On Friday 07 June 2013, Jason Gunthorpe wrote:
> Sounds fair to me.
>
> But when we talk about multiple domains we don't mean a disjoint range
> bus bus numbers, as your other email shows:
>
> 00:00.0 PCI bridge: Samsung Electronics Co Ltd Device a549 (rev 01) (prog-if 00 [Normal decode])
> 10:00.0 PCI bridge: Samsung Electronics Co Ltd Device a549 (rev 01) (prog-if 00 [Normal decode])
>
> We mean multiple domains, it should look like this:
>
> 0000:00:00.0 PCI bridge: Samsung Electronics Co Ltd Device a549 (rev 01) (prog-if 00 [Normal decode])
> 0001:00:00.0 PCI bridge: Samsung Electronics Co Ltd Device a549 (rev 01) (prog-if 00 [Normal decode])
>
> ie lspci -D.
>
> Each domain gets a unique bus number range, config space, io range,
> etc. This is much clearer to everyone than trying to pretend there is
> only one domain when the HW is actually multi-domain.
Yes, absolutely. This means we also don't need a bus-range property in DT, since each
domain will allow all 255 buses.
Arnd
next prev parent reply other threads:[~2013-06-07 17:43 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-23 4:04 [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property Jingoo Han
2013-03-23 4:05 ` [PATCH 2/6] of/pci: Add of_pci_parse_bus_range() function Jingoo Han
2013-03-23 4:06 ` [PATCH 3/6] pci: infrastructure to add drivers in drivers/pci/host Jingoo Han
2013-03-23 4:07 ` [PATCH 4/6] pci: Add PCIe driver for Samsung Exynos Jingoo Han
2013-03-26 21:33 ` Rob Herring
2013-03-27 1:29 ` Jingoo Han
2013-03-23 4:08 ` [PATCH 5/6] ARM: EXYNOS: Enable PCIe support for Exynos5440 Jingoo Han
2013-03-23 4:09 ` [PATCH 6/6] ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC Jingoo Han
2013-03-25 17:04 ` Jason Gunthorpe
2013-03-27 8:35 ` Jingoo Han
2013-03-27 16:13 ` Jason Gunthorpe
2013-04-08 9:08 ` Jingoo Han
2013-04-08 16:56 ` Jason Gunthorpe
2013-06-07 9:19 ` Jingoo Han
2013-06-07 11:59 ` Arnd Bergmann
2013-06-07 16:20 ` Jason Gunthorpe
2013-06-07 17:43 ` Arnd Bergmann [this message]
2013-06-10 8:38 ` Jingoo Han
2013-06-10 15:22 ` Arnd Bergmann
2013-06-11 6:00 ` Jingoo Han
2013-06-12 15:10 ` Arnd Bergmann
2013-03-23 10:41 ` [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property Russell King - ARM Linux
2013-03-23 13:37 ` Thomas Petazzoni
2013-03-25 10:21 ` Andrew Murray
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201306071943.18407.arnd@arndb.de \
--to=arnd@arndb$(echo .)de \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox