From mboxrd@z Thu Jan 1 00:00:00 1970 From: "gregkh@linuxfoundation.org" Subject: Re: [PATCHv5 1/3] ARM: tegra: Add Tegra AHB driver Date: Mon, 7 May 2012 11:36:11 -0700 Message-ID: <20120507183611.GA725@kroah.com> References: <201205070859.29174.arnd@arndb.de> <20120507.122333.2024326166703361049.hdoyu@nvidia.com> <201205071024.48958.arnd@arndb.de> <20120507.143647.508182574757518311.hdoyu@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20120507.143647.508182574757518311.hdoyu@nvidia.com> Sender: linux-doc-owner@vger.kernel.org To: Hiroshi Doyu Cc: "arnd@arndb.de" , "linux@arm.linux.org.uk" , "swarren@wwwdotorg.org" , "linux-tegra@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "balbi@ti.com" , "grant.likely@secretlab.ca" , "rob.herring@calxeda.com" , "rob@landley.net" , "ccross@android.com" , "olof@lixom.net" , "ohad@wizery.com" , "linus.walleij@linaro.org" , "linville@tuxdriver.com" , "myungjoo.ham@samsung.com" , "devicetree-discuss@lists.ozlabs.org" , "linux-doc@vger.kernel.org" , linux-kernel@ List-Id: devicetree@vger.kernel.org On Mon, May 07, 2012 at 01:36:47PM +0200, Hiroshi Doyu wrote: > From: Arnd Bergmann > Subject: Re: [PATCHv5 1/3] ARM: tegra: Add Tegra AHB driver > Date: Mon, 7 May 2012 12:24:48 +0200 > Message-ID: <201205071024.48958.arnd@arndb.de> > > > On Monday 07 May 2012, Hiroshi Doyu wrote: > > > Tegra doesn't enable ARM_AMBA and Tegra doesn't use the following > > > "drivers/amba/bus.c" right now. I needed to make this directory > > > available to ones without ARM_AMBA enabled. > > > > Ah, right. I looked at arch/arm/Kconfig earlier to see if > > tegra enabled ARM_AMBA but was accidentally looking > > at ARCH_INtegraTOR when grepping for TEGRA ;-) > > > > Your proposed solution sounds good then. > > Thank you for reviewing patches & ACK. Attached the update one here, > instead of sending a while series again. > > >From 16cc2b0fab00c33cd24bb5c43c45a4cda646ad42 Mon Sep 17 00:00:00 2001 > From: Hiroshi DOYU > Date: Wed, 18 Apr 2012 11:41:56 +0300 > Subject: [PATCHv5 1/3] ARM: tegra: Add Tegra AHB driver > > 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 params could be passed from DT too if needed. > > Change-Id: I184e0e1ce033e76881353a4bb99234e2850e99c2 What nonsense is this? Please never put that in a patch you want accepted upstream, as it makes no sense and we just have to edit it out by hand, making us grumpy... greg k-h