Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030517Ab2B2J70 (ORCPT ); Wed, 29 Feb 2012 04:59:26 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:40673 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756263Ab2B2J7Y convert rfc822-to-8bit (ORCPT ); Wed, 29 Feb 2012 04:59:24 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of linus.walleij@linaro.org designates 10.50.41.161 as permitted sender) smtp.mail=linus.walleij@linaro.org MIME-Version: 1.0 In-Reply-To: <20120228083833.GB18045@n2100.arm.linux.org.uk> References: <20120228083833.GB18045@n2100.arm.linux.org.uk> Date: Wed, 29 Feb 2012 10:59:23 +0100 Message-ID: Subject: Re: RFC: what do we do with system controllers? From: Linus Walleij To: Russell King - ARM Linux Cc: Greg KH , linux-kernel@vger.kernel.org, Paul Walmsley , linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Olof Johansson , Samuel Ortiz , Mattias NILSSON , Rickard ANDERSSON , Mark Brown , Kyungmin Park , Nicolas Pitre Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1147 Lines: 35 On Tue, Feb 28, 2012 at 9:38 AM, Russell King - ARM Linux wrote: > On Tue, Feb 28, 2012 at 06:48:12AM +0100, Linus Walleij wrote: >> Mainly addressed to Greg but anyone is welcome to join the >> discussion... >> >> Several ARM platforms have system controllers. In this I >> include all custom terminology such as: >> >> - System Control >> - Chip Controller >> - Core Module control registers >> - Power Reset Control Management Units >> - Multimedia Communications Port > > Why do you include this? ?If you include this, you should include things > like SSP/SPI ports, I2C and other such buses. Mainly because it has these specific MCP controller oddity functions: mcp_set_telecom_divisor() mcp_set_audio_divisor() i.e. it has some "strangeness" of system controller type (telecom? que?) But it's quite little and no big deal, drop it off the list. Thanks, Linus Walleij -- 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/