From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: RFC: Reclaim address space on omaps, Tony on vacation in July Date: Fri, 26 Jun 2009 11:57:52 +0300 Message-ID: <20090626085752.GE7352@atomide.com> References: <20090626062539.GX7352@atomide.com> <20090626083722.GP8354@trinity.fluff.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:49758 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753660AbZFZI6A (ORCPT ); Fri, 26 Jun 2009 04:58:00 -0400 Content-Disposition: inline In-Reply-To: <20090626083722.GP8354@trinity.fluff.org> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Ben Dooks Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk * Ben Dooks [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