From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0D1F62C00C2 for ; Tue, 6 Nov 2012 22:48:58 +1100 (EST) Message-ID: <1352202531.2566.40.camel@pasglop> Subject: Re: RFC: book3e: DCR MMIO for IBM Blue Gene/Q From: Benjamin Herrenschmidt To: Jimi Xenidis Date: Tue, 06 Nov 2012 22:48:51 +1100 In-Reply-To: <749146C7-B9A8-4001-9580-3B87A041A580@pobox.com> References: <020B0706-E2BD-4A6C-8644-D235278655ED@pobox.com> <1352073062.12271.268.camel@pasglop> <749146C7-B9A8-4001-9580-3B87A041A580@pobox.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2012-11-05 at 09:25 -0600, Jimi Xenidis wrote: > So Axon, being 64-bit, would break with the changes proposed, since it > is 64-bit bit and assumes 32bit accessors. > I'll simply add 64bit accessors for now. Well, either that, or you add a "64-bit" property to the DCR controller node. IE. you keep the API "unsigned long" but whether it uses 32 or 64-bit accessors depends on that property. Cheers, Ben.