From patchwork Mon Jul 6 06:13:38 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: FUJITA Tomonori X-Patchwork-Id: 29482 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 E5962B6F1F for ; Mon, 6 Jul 2009 16:15:31 +1000 (EST) Received: by ozlabs.org (Postfix) id DA0D6DDD0B; Mon, 6 Jul 2009 16:15:31 +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 5776BDDD04 for ; Mon, 6 Jul 2009 16:15:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755232AbZGFGOz (ORCPT ); Mon, 6 Jul 2009 02:14:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752889AbZGFGOu (ORCPT ); Mon, 6 Jul 2009 02:14:50 -0400 Received: from sh.osrg.net ([192.16.179.4]:37830 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756218AbZGFGOo (ORCPT ); Mon, 6 Jul 2009 02:14:44 -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 n666Efxu024739; Mon, 6 Jul 2009 15:14:43 +0900 From: FUJITA Tomonori To: davem@davemloft.net Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, reif@earthlink.net, FUJITA Tomonori Subject: [PATCH 3/5] sparc: remove no-op dma_4v_sync_single_for_cpu and dma_4v_sync_sg_for_cpu Date: Mon, 6 Jul 2009 15:13:38 +0900 Message-Id: <1246860820-20629-4-git-send-email-fujita.tomonori@lab.ntt.co.jp> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1246860820-20629-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> References: <1246860820-20629-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> Lines: 48 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Mon, 06 Jul 2009 15:14:43 +0900 (JST) Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org Now sparc uses include/asm-generic/dma-mapping-common.h. pci_sun4v.c doesn't need to have no-op dma_4v_sync_single_for_cpu and dma_4v_sync_sg_for_cpu (dma-mapping-common.h does nothing if sync_{single|sg}_for_cpu hook is not defined). So we can remove them safely. Signed-off-by: FUJITA Tomonori --- arch/sparc/kernel/pci_sun4v.c | 16 ---------------- 1 files changed, 0 insertions(+), 16 deletions(-) diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index ee800f9..23c33ff 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -525,20 +525,6 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, spin_unlock_irqrestore(&iommu->lock, flags); } -static void dma_4v_sync_single_for_cpu(struct device *dev, - dma_addr_t bus_addr, size_t sz, - enum dma_data_direction direction) -{ - /* Nothing to do... */ -} - -static void dma_4v_sync_sg_for_cpu(struct device *dev, - struct scatterlist *sglist, int nelems, - enum dma_data_direction direction) -{ - /* Nothing to do... */ -} - static struct dma_map_ops sun4v_dma_ops = { .alloc_coherent = dma_4v_alloc_coherent, .free_coherent = dma_4v_free_coherent, @@ -546,8 +532,6 @@ static struct dma_map_ops sun4v_dma_ops = { .unmap_page = dma_4v_unmap_page, .map_sg = dma_4v_map_sg, .unmap_sg = dma_4v_unmap_sg, - .sync_single_for_cpu = dma_4v_sync_single_for_cpu, - .sync_sg_for_cpu = dma_4v_sync_sg_for_cpu, }; static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm,