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From: Pawel Moll <pawel.moll@arm.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: "devicetree-discuss@lists.ozlabs.org"
	<devicetree-discuss@lists.ozlabs.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Nicolas Pitre <nico@fluxnic.net>
Subject: Re: DT vs ARM static mappings
Date: Thu, 22 Sep 2011 14:45:53 +0100	[thread overview]
Message-ID: <1316699153.4611.858.camel@hornet.cambridge.arm.com> (raw)
In-Reply-To: <20110922131302.GO17169@n2100.arm.linux.org.uk>

> > Ok, what I did was grepping for all .map_io-s. Then I sorted the list
> > and had a look at first 100 and about 50% of them were doing more than
> > just creating mappings.
> 
> The answer to that is: they shouldn't be now that we have the init_early
> hook.  The only remainder for .map_io is where platforms make run-time
> decisions about what to map based on some register value somewhere
> (eg, Assabet vs Assabet+Neponset).
> 
> I do have a large patch series floating around in my git tree which tries
> to clean up to all those map_io functions - the biggest stumbling block
> to them is the Samsung stuff being indirected through its own tables.

Awesome. I'll work with an assumption that future map_io-s will only
create static mappings and nothing more then.

Cheers!

Paweł



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  reply	other threads:[~2011-09-22 13:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-20 11:51 DT vs ARM static mappings Pawel Moll
     [not found] ` <1316519479.4611.150.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-20 12:58   ` Rob Herring
2011-09-20 14:02     ` Pawel Moll
     [not found]       ` <1316527365.4611.354.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-20 14:37         ` Rob Herring
2011-09-20 16:16           ` Pawel Moll
     [not found]             ` <1316535403.4611.534.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-20 19:28               ` Arnd Bergmann
2011-09-21  9:41                 ` Pawel Moll
     [not found]                   ` <1316598109.4611.613.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-21  9:59                     ` Dave Martin
2011-09-21 10:02                       ` Pawel Moll
2011-09-22 16:23                 ` Pawel Moll
     [not found]                   ` <1316708611.4611.873.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-23 15:45                     ` Arnd Bergmann
2011-09-21 17:49   ` Nicolas Pitre
2011-09-22 13:04     ` Pawel Moll
     [not found]       ` <1316696696.4611.844.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-22 13:13         ` Russell King - ARM Linux
2011-09-22 13:45           ` Pawel Moll [this message]
     [not found]             ` <1316699153.4611.858.camel-okZbbLrgpR/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2011-09-22 13:59               ` Russell King - ARM Linux

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