Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757422Ab1EUXr4 (ORCPT ); Sat, 21 May 2011 19:47:56 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:58018 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757275Ab1EUXry (ORCPT ); Sat, 21 May 2011 19:47:54 -0400 Date: Sun, 22 May 2011 00:47:25 +0100 From: Russell King - ARM Linux To: Grant Likely Cc: Stephen Neuendorffer , Kevin Hilman , Segher Boessenkool , Arnd Bergmann , devicetree-discuss@lists.ozlabs.org, Linux Kernel Mailing List , "Rafael J. Wysocki" , Jeremy Kerr , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] drivers/amba: probe via device tree Message-ID: <20110521234725.GB17672@n2100.arm.linux.org.uk> References: <1305829704-11774-1-git-send-email-robherring2@gmail.com> <20110519233958.GB18181@ponder.secretlab.ca> <4DD66B8A.5040404@gmail.com> <201105201621.03801.arnd@arndb.de> <4DD68614.6090209@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 922 Lines: 19 On Sat, May 21, 2011 at 11:42:34AM -0600, Grant Likely wrote: > Russell, it seems to me that the primary behaviour that amba_bus has > over platform_bus is the clock management, and secondarily > verification of the type of device by the device id. Am I correct, or > am I missing something? It matches by vendor/device ID just like PCI does, and does the bus clock management and power management in a really nice way, which I doubt platform devices will ever do. The way this discussion is going, I'm going to suggest that we also convert PCI stuff to being platform devices too. I don't see the point of PCI existing for all the same reasons being given in this thread. -- 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/