From patchwork Mon Aug 10 02:53:15 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: FUJITA Tomonori X-Patchwork-Id: 31050 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 095D0B7B78 for ; Mon, 10 Aug 2009 12:55:47 +1000 (EST) Received: by ozlabs.org (Postfix) id F2DBEDDD04; Mon, 10 Aug 2009 12:55:46 +1000 (EST) Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 82054DDD01 for ; Mon, 10 Aug 2009 12:55:46 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932178AbZHJCzk (ORCPT ); Sun, 9 Aug 2009 22:55:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932180AbZHJCzk (ORCPT ); Sun, 9 Aug 2009 22:55:40 -0400 Received: from sh.osrg.net ([192.16.179.4]:37969 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932173AbZHJCzh (ORCPT ); Sun, 9 Aug 2009 22:55:37 -0400 Received: from localhost (viola.osrg.net [10.76.0.4]) by sh.osrg.net (8.13.8/8.13.8/OSRG-NET) with ESMTP id n7A2slVk019390; Mon, 10 Aug 2009 11:54:51 +0900 From: FUJITA Tomonori To: mingo@elte.hu Cc: davem@davemloft.net, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, fenghua.yu@intel.com, FUJITA Tomonori Subject: [PATCH 6/8] sparc: replace sbus_map_single and sbus_unmap_single with sbus_map_page and sbus_unmap_page Date: Mon, 10 Aug 2009 11:53:15 +0900 Message-Id: <1249872797-1314-7-git-send-email-fujita.tomonori@lab.ntt.co.jp> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1249872797-1314-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> References: <1249872797-1314-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> Lines: 81 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Mon, 10 Aug 2009 11:54:52 +0900 (JST) X-Virus-Scanned: clamav-milter 0.95.2 at sh X-Virus-Status: Clean Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org This is a preparation for using asm-generic/pci-dma-compat.h; SPARC32 has two dma_map_ops structures for pci and sbus (removing arch/sparc/kernel/dma.c, PCI and SBUS DMA accessor). Signed-off-by: FUJITA Tomonori Tested-by: Robert Reif Acked-by: David S. Miller --- arch/sparc/kernel/dma.c | 5 ++--- arch/sparc/kernel/dma.h | 6 +++--- arch/sparc/kernel/ioport.c | 7 +++++-- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/arch/sparc/kernel/dma.c b/arch/sparc/kernel/dma.c index 15820a9..a5d50da 100644 --- a/arch/sparc/kernel/dma.c +++ b/arch/sparc/kernel/dma.c @@ -68,8 +68,7 @@ static dma_addr_t dma32_map_page(struct device *dev, struct page *page, return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction); #endif - return sbus_map_single(dev, page_address(page) + offset, - size, (int)direction); + return sbus_map_page(dev, page, offset, size, (int)direction); } static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address, @@ -83,7 +82,7 @@ static void dma32_unmap_page(struct device *dev, dma_addr_t dma_address, return; } #endif - sbus_unmap_single(dev, dma_address, size, (int)direction); + sbus_unmap_page(dev, dma_address, size, (int)direction); } static int dma32_map_sg(struct device *dev, struct scatterlist *sg, diff --git a/arch/sparc/kernel/dma.h b/arch/sparc/kernel/dma.h index f8d8951..680351e 100644 --- a/arch/sparc/kernel/dma.h +++ b/arch/sparc/kernel/dma.h @@ -1,8 +1,8 @@ void *sbus_alloc_consistent(struct device *dev, long len, u32 *dma_addrp); void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba); -dma_addr_t sbus_map_single(struct device *dev, void *va, - size_t len, int direction); -void sbus_unmap_single(struct device *dev, dma_addr_t ba, +dma_addr_t sbus_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t len, int direction); +void sbus_unmap_page(struct device *dev, dma_addr_t ba, size_t n, int direction); int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction); diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 87ea0d0..39ff1e0 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -337,8 +337,11 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba) * CPU view of this memory may be inconsistent with * a device view and explicit flushing is necessary. */ -dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int direction) +dma_addr_t sbus_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t len, int direction) { + void *va = page_address(page) + offset; + /* XXX why are some lengths signed, others unsigned? */ if (len <= 0) { return 0; @@ -350,7 +353,7 @@ dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int directi return mmu_get_scsi_one(dev, va, len); } -void sbus_unmap_single(struct device *dev, dma_addr_t ba, size_t n, int direction) +void sbus_unmap_page(struct device *dev, dma_addr_t ba, size_t n, int direction) { mmu_release_scsi_one(dev, ba, n); }