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From: Scott Wood <scottwood@freescale.com>
To: avorontsov@ru.mvista.com
Cc: Linuxppc-dev Development <linuxppc-dev@ozlabs.org>,
	Timur Tabi <timur@freescale.com>
Subject: Re: removing get_immrbase()??
Date: Thu, 23 Apr 2009 12:59:56 -0500	[thread overview]
Message-ID: <49F0AC9C.7060905@freescale.com> (raw)
In-Reply-To: <20090423172633.GA16375@oksana.dev.rtsoft.ru>

Anton Vorontsov wrote:
> This is exactly what we should try to avoid. We should not accept
> any changes that might break older firmwares. That is, keep the
> device tree workable with X1 and X2, by any means.

I think that's a much bigger restriction than trying to keep the kernel 
compatible with older device trees.  Consider changes in the physical 
memory map, etc.

> If X1 looks for "/soc8323@..."  and X2 looks for "/soc@...", so that
> Z1 and Z2 aren't compatible at all, then we're in trouble. But we're
> in trouble regardless of what Linux is doing, no?

Not if Linux can continue to deal with X1 and Z1.

-Scott

  reply	other threads:[~2009-04-23 18:00 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-22 18:38 removing get_immrbase()?? Kumar Gala
2009-04-22 19:35 ` Timur Tabi
2009-04-22 20:16   ` Scott Wood
2009-04-22 20:16     ` Timur Tabi
2009-04-22 20:20       ` Scott Wood
2009-04-22 21:31       ` Kumar Gala
2009-04-22 21:33         ` Timur Tabi
2009-04-22 21:39           ` Kumar Gala
2009-04-22 21:46             ` Timur Tabi
2009-04-22 21:54               ` Kumar Gala
2009-04-22 21:57                 ` Timur Tabi
2009-04-22 22:07                   ` Kumar Gala
2009-04-22 22:00               ` Scott Wood
2009-04-22 22:00                 ` Timur Tabi
2009-04-23 13:54             ` Grant Likely
2009-04-22 21:38         ` Scott Wood
2009-04-22 21:55           ` Kumar Gala
2009-04-22 22:33             ` Scott Wood
2009-04-23  0:03               ` Timur Tabi
2009-04-23  2:26             ` David Gibson
2009-04-23  3:36               ` Kumar Gala
2009-04-23  4:06                 ` David Gibson
2009-04-23  4:41                   ` Kumar Gala
2009-04-28  4:12                     ` David Gibson
2009-04-28 13:48                       ` Timur Tabi
2009-04-23 13:07                 ` Timur Tabi
2009-04-23 15:56                 ` Scott Wood
2009-04-23 13:02               ` Timur Tabi
2009-04-23 13:50                 ` Anton Vorontsov
2009-04-23 14:02                   ` Timur Tabi
2009-04-23 14:06                     ` Kumar Gala
2009-04-23 14:09                       ` Timur Tabi
2009-04-24 14:40                       ` Wrobel Heinz-R39252
2009-04-23 14:13                     ` Anton Vorontsov
2009-04-23 16:00                   ` Scott Wood
2009-04-23 16:54                     ` Anton Vorontsov
2009-04-23 17:03                       ` Scott Wood
2009-04-23 17:26                         ` Anton Vorontsov
2009-04-23 17:59                           ` Scott Wood [this message]
2009-04-28  4:25                   ` David Gibson
2009-04-28  4:21                 ` David Gibson
2009-04-23 13:53         ` Grant Likely
2009-04-23 14:03           ` Anton Vorontsov
2009-04-28  4:26           ` David Gibson
2009-04-22 19:44 ` Scott Wood
2009-04-22 20:00   ` Kumar Gala
2009-04-22 20:30   ` Scott Wood
2009-04-23 13:53 ` Arnd Bergmann

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