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From: Tony Lindgren <tony@atomide.com>
To: Ben Dooks <ben-linux@fluff.org>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk
Subject: Re: RFC: Reclaim address space on omaps, Tony on vacation in July
Date: Fri, 26 Jun 2009 11:57:52 +0300	[thread overview]
Message-ID: <20090626085752.GE7352@atomide.com> (raw)
In-Reply-To: <20090626083722.GP8354@trinity.fluff.org>

* Ben Dooks <ben-linux@fluff.org> [090626 11:37]:
> On Fri, Jun 26, 2009 at 09:25:40AM +0300, Tony Lindgren wrote:
> > Hi all,
> > 
> > Last week I posted some more omap io.h clean-up patches to the linux-omap
> > list [1], and started looking at what it would take to reclaim lost address
> > space on top of the io.h clean-up patches.
> > 
> > Looks like we should be able to reclaim about 454MB of the 640MB
> > of the lost IO address space by doing the following:
> > 
> > 1. Start converting drivers using omap_read/write to use ioremap +
> >    __raw_read/write
> 
> ioremap implies readl/writel, the __raw stuff is for items that have been
> mapped by iodesc (iirc).

Thanks, will take a look at the iodesc.

Tony

  reply	other threads:[~2009-06-26  8:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-26  6:25 RFC: Reclaim address space on omaps, Tony on vacation in July Tony Lindgren
2009-06-26  7:45 ` Shilimkar, Santosh
2009-06-26  8:46   ` Tony Lindgren
2009-06-26 18:14     ` Woodruff, Richard
2009-06-26 21:21       ` Kevin Hilman
2009-06-26  8:37 ` RFC: " Ben Dooks
2009-06-26  8:57   ` Tony Lindgren [this message]
2009-06-26  9:02     ` Tony Lindgren

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