Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759194Ab2EDQuZ (ORCPT ); Fri, 4 May 2012 12:50:25 -0400 Received: from avon.wwwdotorg.org ([70.85.31.133]:41868 "EHLO avon.wwwdotorg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751134Ab2EDQuX (ORCPT ); Fri, 4 May 2012 12:50:23 -0400 Message-ID: <4FA408CB.6060403@wwwdotorg.org> Date: Fri, 04 May 2012 10:50:19 -0600 From: Stephen Warren User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.28) Gecko/20120313 Thunderbird/3.1.20 MIME-Version: 1.0 To: Hiroshi Doyu CC: "linux-tegra@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "balbi@ti.com" , "arnd@arndb.de" , "ccross@android.com" , "olof@lixom.net" , "linux@arm.linux.org.uk" , "grant.likely@secretlab.ca" , "rob.herring@calxeda.com" , "gregkh@linuxfoundation.org" , "ohad@wizery.com" , "linus.walleij@linaro.org" , "linville@tuxdriver.com" , "myungjoo.ham@samsung.com" , "linux-kernel@vger.kernel.org" , "devicetree-discuss@lists.ozlabs.org" Subject: Re: [PATCHv3 1/4] ARM: tegra: Add Tegra AHB driver References: <1336061147-10245-1-git-send-email-hdoyu@nvidia.com><4FA2C785.2080703@wwwdotorg.org> <20120504.094030.1816474762821188264.hdoyu@nvidia.com> In-Reply-To: <20120504.094030.1816474762821188264.hdoyu@nvidia.com> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1677 Lines: 37 On 05/04/2012 12:40 AM, Hiroshi Doyu wrote: > From: Stephen Warren > Subject: Re: [PATCHv3 1/4] ARM: tegra: Add Tegra AHB driver > Date: Thu, 3 May 2012 19:59:33 +0200 > Message-ID: <4FA2C785.2080703@wwwdotorg.org> > >> On 05/03/2012 10:05 AM, Hiroshi DOYU wrote: >>> Tegra AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced >>> High-performance Bus (AHB) architecture. >>> >>> The AHB Arbiter controls AHB bus master arbitration. This effectively >>> forms a second level of arbitration for access to the memory >>> controller through the AHB Slave Memory device. The AHB pre-fetch >>> logic can be configured to enhance performance for devices doing >>> sequential access. Each AHB master is assigned to either the high or >>> low priority bin. Both Tegra20/30 have this AHB bus. >>> >>> Some of configuration param could be passed from DT too. >> >> This patch should add >> Documentation/devicetree/bindings/arm/tegra/tegra20-ahb.txt to describe >> the DT binding. > > From 'dts' POV, there's no difference between tegra20 and > tegra30. They just have a register range. Is > "../bindings/arm/tegra/tegra-ahb.txt" ok, instead of having both > tegra{20,30}-ahb.txt? Personally, I prefer to name files using the exact compatible value of the first SoC version that introduced the HW. This allows e.g. "tegra40-ahb.txt" to be introduced without making "tegra-ahb.txt" no longer fully general. -- 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/