From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 24 Apr 2009 05:23:27 +0100 (BST) Received: from localhost.localdomain ([127.0.0.1]:29343 "EHLO h5.dl5rb.org.uk") by ftp.linux-mips.org with ESMTP id S20022140AbZDXEXP (ORCPT ); Fri, 24 Apr 2009 05:23:15 +0100 Received: from h5.dl5rb.org.uk (localhost.localdomain [127.0.0.1]) by h5.dl5rb.org.uk (8.14.3/8.14.3) with ESMTP id n3O4NBC8022755; Fri, 24 Apr 2009 06:23:11 +0200 Received: (from ralf@localhost) by h5.dl5rb.org.uk (8.14.3/8.14.3/Submit) id n3O4NAvZ022753; Fri, 24 Apr 2009 06:23:10 +0200 Date: Fri, 24 Apr 2009 06:23:10 +0200 From: Ralf Baechle To: Kevin Cernekee Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] MIPS: Extend plat_* abstractions, cache support Message-ID: <20090424042310.GA19096@linux-mips.org> References: <0483452db22e72f57289e63fcf097120d94c2a37.1240533480.git@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0483452db22e72f57289e63fcf097120d94c2a37.1240533480.git@localhost> User-Agent: Mutt/1.5.18 (2008-05-17) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 22457 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Thu, Apr 23, 2009 at 05:03:43PM -0700, Kevin Cernekee wrote: > I am upgrading an SoC to the 2.6.29.1 kernel from an earlier version, > and in the process I am switching over the old board support > customizations to use the newer, cleaner plat_* functions. I found two > cases where the plat_* functions did not provide enough information, > so I had to modify the API: > > plat_unmap_dma_mem() - Our handler needs to know the size and direction > of the DMA mapping. This information is not encoded in the DMA address, > so it needed to be passed in explicitly. > > plat_dma_addr_to_phys() - The bus<->physical address mappings differ > based on which bus is being used. It is not always possible to infer > which bus is being used from the bus address alone, so I added a > "struct device" to the function definition. > > Also, our MIPS core uses 64-byte D$ lines, so I needed to generate the > corresponding blast* functions. > > These patches apply against the linux-mips.org GIT tree. Queued for 2.6.31. Thanks Kevin! Which SoC port are you working on btw? Ralf