From patchwork Mon Aug 5 16:30:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 2838826 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EA64ABF535 for ; Mon, 5 Aug 2013 16:31:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AE8D920343 for ; Mon, 5 Aug 2013 16:31:52 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0A6882032D for ; Mon, 5 Aug 2013 16:31:51 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6NhE-0007fa-KE; Mon, 05 Aug 2013 16:31:48 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6NhC-00011w-4b; Mon, 05 Aug 2013 16:31:46 +0000 Received: from smtp02.citrix.com ([66.165.176.63]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6Nh8-00010I-AT for linux-arm-kernel@lists.infradead.org; Mon, 05 Aug 2013 16:31:43 +0000 X-IronPort-AV: E=Sophos;i="4.89,819,1367971200"; d="scan'208";a="39429457" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/AES128-SHA; 05 Aug 2013 16:31:21 +0000 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.80) with Microsoft SMTP Server id 14.2.342.4; Mon, 5 Aug 2013 12:31:10 -0400 Received: from kaball.uk.xensource.com ([10.80.2.59]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1V6Ngh-0004v1-MY; Mon, 05 Aug 2013 17:31:15 +0100 From: Stefano Stabellini To: Subject: [PATCH v3 01/10] swiotlb: replace dma_length with sg_dma_len() macro Date: Mon, 5 Aug 2013 17:30:47 +0100 Message-ID: <1375720256-8014-1-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130805_123142_567519_0FE507F7 X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) Cc: Ian.Campbell@citrix.com, Stefano Stabellini , konrad.wilk@oracle.com, linux-kernel@vger.kernel.org, EUNBONG SONG , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: EUNBONG SONG This patch replace dma_length in "lib/swiotlb.c" to sg_dma_len() macro, because the build error can occur if CONFIG_NEED_SG_DMA_LENGTH is not set, and CONFIG_SWIOTLB is set. Singed-off-by: EunBong Song Signed-off-by: Stefano Stabellini --- lib/swiotlb.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/swiotlb.c b/lib/swiotlb.c index d23762e..4e8686c 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -870,13 +870,13 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, swiotlb_full(hwdev, sg->length, dir, 0); swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir, attrs); - sgl[0].dma_length = 0; + sg_dma_len(sgl) = 0; return 0; } sg->dma_address = phys_to_dma(hwdev, map); } else sg->dma_address = dev_addr; - sg->dma_length = sg->length; + sg_dma_len(sg) = sg->length; } return nelems; } @@ -904,7 +904,7 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, BUG_ON(dir == DMA_NONE); for_each_sg(sgl, sg, nelems, i) - unmap_single(hwdev, sg->dma_address, sg->dma_length, dir); + unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir); } EXPORT_SYMBOL(swiotlb_unmap_sg_attrs); @@ -934,7 +934,7 @@ swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sgl, for_each_sg(sgl, sg, nelems, i) swiotlb_sync_single(hwdev, sg->dma_address, - sg->dma_length, dir, target); + sg_dma_len(sg), dir, target); } void