From patchwork Wed Aug 12 07:05:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 6997191 Return-Path: X-Original-To: patchwork-linux-parisc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0BABF9F4F5 for ; Wed, 12 Aug 2015 07:18:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 44D3720504 for ; Wed, 12 Aug 2015 07:18:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C145201EF for ; Wed, 12 Aug 2015 07:18:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934445AbbHLHSO (ORCPT ); Wed, 12 Aug 2015 03:18:14 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:53037 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964947AbbHLHJK (ORCPT ); Wed, 12 Aug 2015 03:09:10 -0400 Received: from p5de57192.dip0.t-ipconnect.de ([93.229.113.146] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZPQ9o-0001Zo-87; Wed, 12 Aug 2015 07:09:04 +0000 From: Christoph Hellwig To: torvalds@linux-foundation.org, axboe@kernel.dk Cc: dan.j.williams@intel.com, vgupta@synopsys.com, hskinnemoen@gmail.com, egtvedt@samfundet.no, realmz6@gmail.com, dhowells@redhat.com, monstr@monstr.eu, x86@kernel.org, dwmw2@infradead.org, alex.williamson@redhat.com, grundler@parisc-linux.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-nvdimm@ml01.01.org, linux-media@vger.kernel.org Subject: [PATCH 09/31] ia64/pci_dma: handle page-less SG entries Date: Wed, 12 Aug 2015 09:05:28 +0200 Message-Id: <1439363150-8661-10-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1439363150-8661-1-git-send-email-hch@lst.de> References: <1439363150-8661-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use sg_phys() instead of virt_to_phys(sg_virt(sg)) so that we don't require a kernel virtual address. Signed-off-by: Christoph Hellwig --- arch/ia64/sn/pci/pci_dma.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index d0853e8..8f713c8 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -18,9 +18,6 @@ #include #include -#define SG_ENT_VIRT_ADDRESS(sg) (sg_virt((sg))) -#define SG_ENT_PHYS_ADDRESS(SG) virt_to_phys(SG_ENT_VIRT_ADDRESS(SG)) - /** * sn_dma_supported - test a DMA mask * @dev: device to test @@ -291,7 +288,7 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, */ for_each_sg(sgl, sg, nhwentries, i) { dma_addr_t dma_addr; - phys_addr = SG_ENT_PHYS_ADDRESS(sg); + phys_addr = sg_phys(sg); if (dmabarr) dma_addr = provider->dma_map_consistent(pdev, phys_addr,