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 12:02:54 +0300 [thread overview]
Message-ID: <20090626090254.GF7352@atomide.com> (raw)
In-Reply-To: <20090626085752.GE7352@atomide.com>
* Tony Lindgren <tony@atomide.com> [090626 11:58]:
> * 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.
Hmm, OK so we should just use readl/writel. No need to map everything
statically with struct map_desc.
Tony
prev parent reply other threads:[~2009-06-26 9:03 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
2009-06-26 9:02 ` Tony Lindgren [this message]
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