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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 11/12] ARM: mvebu: Relocate Armada 370 PCIe device tree nodes
Date: Wed, 19 Jun 2013 14:06:03 +0200	[thread overview]
Message-ID: <201306191406.04120.arnd@arndb.de> (raw)
In-Reply-To: <20130618214049.GA15234@localhost>

On Tuesday 18 June 2013, Ezequiel Garcia wrote:
> Although I'd like the binding to take this into account, for there's no
> point in restricting it -a priori- I can't see any advantage on doing
> fully dynamic window configuration on devices that are fixed in the
> first place. It sounds like bloating the whole thing without a strong
> need.

After the suggestions that Grant made about the of_bus, I think the
fully dynamic model would actually be simpler than what you have here.
You wouldn't actually have to dissect the "ranges" property at all,
just keep the mapping table in memory for all devices that are in use,
with a special case for the internal-regs.

But I think that's fine, we can alway simplify the code later as long
as the binding covers all cases.

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Ezequiel Garcia
	<ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
	Maen Suleiman <maen-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Sebastian Hesselbarth
	<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v3 11/12] ARM: mvebu: Relocate Armada 370 PCIe device tree nodes
Date: Wed, 19 Jun 2013 14:06:03 +0200	[thread overview]
Message-ID: <201306191406.04120.arnd@arndb.de> (raw)
In-Reply-To: <20130618214049.GA15234@localhost>

On Tuesday 18 June 2013, Ezequiel Garcia wrote:
> Although I'd like the binding to take this into account, for there's no
> point in restricting it -a priori- I can't see any advantage on doing
> fully dynamic window configuration on devices that are fixed in the
> first place. It sounds like bloating the whole thing without a strong
> need.

After the suggestions that Grant made about the of_bus, I think the
fully dynamic model would actually be simpler than what you have here.
You wouldn't actually have to dissect the "ranges" property at all,
just keep the mapping table in memory for all devices that are in use,
with a special case for the internal-regs.

But I think that's fine, we can alway simplify the code later as long
as the binding covers all cases.

	Arnd

  reply	other threads:[~2013-06-19 12:06 UTC|newest]

Thread overview: 136+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-18 11:25 [PATCH v3 00/12] MBus device tree binding Ezequiel Garcia
2013-06-18 11:25 ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 01/12] bus: mvebu-mbus: Factor out initialization details Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 02/12] bus: mvebu-mbus: Introduce device tree binding Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 03/12] bus: mvebu-mbus: Add static window allocation to the DT binding Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 16:14   ` Arnd Bergmann
2013-06-18 16:14     ` Arnd Bergmann
2013-06-18 17:12     ` Thomas Petazzoni
2013-06-18 17:12       ` Thomas Petazzoni
2013-06-18 17:16       ` Arnd Bergmann
2013-06-18 17:16         ` Arnd Bergmann
2013-06-18 21:34     ` Ezequiel Garcia
2013-06-18 21:34       ` Ezequiel Garcia
2013-06-18 21:45       ` Arnd Bergmann
2013-06-18 21:45         ` Arnd Bergmann
2013-06-19 18:52         ` Ezequiel Garcia
2013-06-19 18:52           ` Ezequiel Garcia
2013-06-19 19:08           ` Arnd Bergmann
2013-06-19 19:08             ` Arnd Bergmann
2013-06-19 19:29             ` Ezequiel Garcia
2013-06-19 19:29               ` Ezequiel Garcia
2013-06-19 19:37               ` Jason Cooper
2013-06-19 19:37                 ` Jason Cooper
2013-06-18 17:46   ` Jason Gunthorpe
2013-06-18 17:46     ` Jason Gunthorpe
2013-06-18 18:24     ` Sebastian Hesselbarth
2013-06-18 18:24       ` Sebastian Hesselbarth
2013-06-18 18:39       ` Arnd Bergmann
2013-06-18 18:39         ` Arnd Bergmann
2013-06-18 18:44         ` Sebastian Hesselbarth
2013-06-18 18:44           ` Sebastian Hesselbarth
2013-06-18 18:47           ` Jason Gunthorpe
2013-06-18 18:47             ` Jason Gunthorpe
2013-06-18 18:59             ` Sebastian Hesselbarth
2013-06-18 18:59               ` Sebastian Hesselbarth
2013-06-18 19:10               ` Jason Gunthorpe
2013-06-18 19:10                 ` Jason Gunthorpe
2013-06-18 19:27                 ` Sebastian Hesselbarth
2013-06-18 19:27                   ` Sebastian Hesselbarth
2013-06-18 20:49                   ` Ezequiel Garcia
2013-06-18 20:49                     ` Ezequiel Garcia
2013-06-18 20:55                     ` Jason Gunthorpe
2013-06-18 20:55                       ` Jason Gunthorpe
2013-06-18 21:10                       ` Ezequiel Garcia
2013-06-18 21:10                         ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 04/12] ARM: mvebu: Initialize MBus using " Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 05/12] ARM: mvebu: Remove the harcoded BootROM window allocation Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 17:39   ` Jason Gunthorpe
2013-06-18 17:39     ` Jason Gunthorpe
2013-06-18 19:43     ` Ezequiel Garcia
2013-06-18 19:43       ` Ezequiel Garcia
2013-06-18 19:51       ` Jason Gunthorpe
2013-06-18 19:51         ` Jason Gunthorpe
2013-06-18 20:02         ` Ezequiel Garcia
2013-06-18 20:02           ` Ezequiel Garcia
2013-06-18 20:10           ` Jason Gunthorpe
2013-06-18 20:10             ` Jason Gunthorpe
2013-06-18 20:39             ` Ezequiel Garcia
2013-06-18 20:39               ` Ezequiel Garcia
2013-06-19 10:02     ` Ezequiel Garcia
2013-06-19 10:02       ` Ezequiel Garcia
2013-06-19 16:58       ` Jason Gunthorpe
2013-06-19 16:58         ` Jason Gunthorpe
2013-06-19 17:58         ` Ezequiel Garcia
2013-06-19 17:58           ` Ezequiel Garcia
2013-06-19 18:03           ` Jason Gunthorpe
2013-06-19 18:03             ` Jason Gunthorpe
2013-06-19 18:17             ` Ezequiel Garcia
2013-06-19 18:17               ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 06/12] memory: mvebu-devbus: Remove address decoding window workaround Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:39   ` Jason Cooper
2013-06-18 11:39     ` Jason Cooper
2013-06-18 12:17     ` Thomas Petazzoni
2013-06-18 12:17       ` Thomas Petazzoni
2013-06-18 12:33       ` Jason Cooper
2013-06-18 12:33         ` Jason Cooper
2013-06-18 12:48         ` Ezequiel Garcia
2013-06-18 12:48           ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 07/12] ARM: mvebu: Use the preprocessor on Armada 370/XP device tree files Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 08/12] ARM: mvebu: Add MBus to Armada 370/XP device tree Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 09/12] ARM: mvebu: Add BootROM " Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:25 ` [PATCH v3 10/12] ARM: mvebu: Relocate Armada 370/XP DeviceBus device tree nodes Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 16:16   ` Arnd Bergmann
2013-06-18 16:16     ` Arnd Bergmann
2013-06-18 22:09     ` Ezequiel Garcia
2013-06-18 22:09       ` Ezequiel Garcia
2013-06-18 22:14       ` Ezequiel Garcia
2013-06-18 22:14         ` Ezequiel Garcia
2013-06-19 12:03       ` Arnd Bergmann
2013-06-19 12:03         ` Arnd Bergmann
2013-06-18 11:25 ` [PATCH v3 11/12] ARM: mvebu: Relocate Armada 370 PCIe " Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 16:29   ` Arnd Bergmann
2013-06-18 16:29     ` Arnd Bergmann
2013-06-18 17:15     ` Thomas Petazzoni
2013-06-18 17:15       ` Thomas Petazzoni
2013-06-18 17:18       ` Arnd Bergmann
2013-06-18 17:18         ` Arnd Bergmann
2013-06-18 17:21         ` Thomas Petazzoni
2013-06-18 17:21           ` Thomas Petazzoni
2013-06-18 18:22           ` Arnd Bergmann
2013-06-18 18:22             ` Arnd Bergmann
2013-06-18 19:02             ` Jason Gunthorpe
2013-06-18 19:02               ` Jason Gunthorpe
2013-06-18 21:20               ` Arnd Bergmann
2013-06-18 21:20                 ` Arnd Bergmann
2013-06-18 21:40                 ` Ezequiel Garcia
2013-06-18 21:40                   ` Ezequiel Garcia
2013-06-19 12:06                   ` Arnd Bergmann [this message]
2013-06-19 12:06                     ` Arnd Bergmann
2013-06-18 21:35   ` Arnd Bergmann
2013-06-18 21:35     ` Arnd Bergmann
2013-06-19 11:12     ` Ezequiel Garcia
2013-06-19 11:12       ` Ezequiel Garcia
2013-06-19 12:11       ` Arnd Bergmann
2013-06-19 12:11         ` Arnd Bergmann
2013-06-19 16:53         ` Jason Gunthorpe
2013-06-19 16:53           ` Jason Gunthorpe
2013-06-19 18:55           ` Arnd Bergmann
2013-06-19 18:55             ` Arnd Bergmann
2013-06-18 11:25 ` [PATCH v3 12/12] ARM: mvebu: Relocate Armada XP " Ezequiel Garcia
2013-06-18 11:25   ` Ezequiel Garcia
2013-06-18 11:33 ` [PATCH v3 00/12] MBus device tree binding Sebastian Hesselbarth
2013-06-18 11:33   ` Sebastian Hesselbarth
2013-06-18 13:07   ` Ezequiel Garcia
2013-06-18 13:07     ` Ezequiel Garcia

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