Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264945AbTIDMXu (ORCPT ); Thu, 4 Sep 2003 08:23:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264947AbTIDMXu (ORCPT ); Thu, 4 Sep 2003 08:23:50 -0400 Received: from mail2.sonytel.be ([195.0.45.172]:22676 "EHLO witte.sonytel.be") by vger.kernel.org with ESMTP id S264945AbTIDMXs (ORCPT ); Thu, 4 Sep 2003 08:23:48 -0400 Date: Thu, 4 Sep 2003 14:21:45 +0200 (MEST) From: Geert Uytterhoeven To: Paul Mackerras cc: Christoph Hellwig , "David S. Miller" , Linus Torvalds , Linux Kernel Development Subject: Re: [PATCH] fix ppc ioremap prototype In-Reply-To: <16215.7181.755868.593534@nanango.paulus.ozlabs.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1343 Lines: 35 On Thu, 4 Sep 2003, Paul Mackerras wrote: > > Paul, what does actually use this higher addresses? > > We have drivers for on-chip peripherals that work from a struct > ocp_device and call ioremap on the ocp_dev->paddr value, which is a > phys_addr_t (although some of them use __ioremap instead). These > drivers are used on 405-based systems (with 32-bit phys_addr_t) as > well as on 440-based systems. > > These drivers are in the linuxppc-2.{4,5} trees but most of them > haven't made it into the official trees yet. They could all be > audited and converted to use __ioremap, although it seems a bit > arbitrary to say that you can't use ioremap in a an ocp driver if > you're going to use it on a 440. I wouldn't expect it to be `ioremap is meant for PCI memory space only' Oops... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/