From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-in-09.arcor-online.net (mail-in-09.arcor-online.net [151.189.21.49]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.arcor.de", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id C7A8167B6C for ; Sun, 10 Dec 2006 23:17:50 +1100 (EST) In-Reply-To: <200612091236.57252.arnd@arndb.de> References: <20061208114113.2191e446@localhost> <1165618381.1103.89.camel@localhost.localdomain> <200612091236.57252.arnd@arndb.de> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: From: Segher Boessenkool Subject: Re: [patch] powerpc: add scanning of ebc bus to of_platform Date: Sun, 10 Dec 2006 13:17:39 +0100 To: Arnd Bergmann Cc: linuxppc-dev@ozlabs.org, Christian Krafft List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >> That's probably best -- no sense in registering devices >> on buses that the platform doesn't know how to drive! > > But the platform doesn't need how to drive them, the device driver > needs to. No -- the platform needs to know how to do low-level bus operations (I/O reads, etc). For most memory-mapped buses this is pretty trivial, of course. Maybe we're just disagreeing over the word "platform" here? Segher