From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: Re: RFC: Reclaim address space on omaps, Tony on vacation in July Date: Fri, 26 Jun 2009 09:37:22 +0100 Message-ID: <20090626083722.GP8354@trinity.fluff.org> References: <20090626062539.GX7352@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from trinity.fluff.org ([89.16.178.74]:54425 "EHLO trinity.fluff.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752766AbZFZIh0 (ORCPT ); Fri, 26 Jun 2009 04:37:26 -0400 Content-Disposition: inline In-Reply-To: <20090626062539.GX7352@atomide.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tony Lindgren Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk 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). -- Ben Q: What's a light-year? A: One-third less calories than a regular year.