Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756433Ab3HOLLL (ORCPT ); Thu, 15 Aug 2013 07:11:11 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:32581 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754908Ab3HOLLE (ORCPT ); Thu, 15 Aug 2013 07:11:04 -0400 X-IronPort-AV: E=Sophos;i="4.89,885,1367971200"; d="scan'208";a="42396943" From: Stefano Stabellini To: CC: , , , , , Stefano Stabellini Subject: [PATCH v4 02/10] swiotlb-xen: replace dma_length with sg_dma_len() macro Date: Thu, 15 Aug 2013 12:10:46 +0100 Message-ID: <1376565054-24153-2-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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1773 Lines: 54 swiotlb-xen has an implicit dependency on CONFIG_NEED_SG_DMA_LENGTH. Remove it by replacing dma_length with sg_dma_len. Signed-off-by: Stefano Stabellini --- drivers/xen/swiotlb-xen.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index aadffcf..1b2277c 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -506,13 +506,13 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, to do proper error handling. */ xen_swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir, attrs); - sgl[0].dma_length = 0; + sg_dma_len(sgl) = 0; return DMA_ERROR_CODE; } sg->dma_address = xen_phys_to_bus(map); } else sg->dma_address = dev_addr; - sg->dma_length = sg->length; + sg_dma_len(sg) = sg->length; } return nelems; } @@ -533,7 +533,7 @@ xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, BUG_ON(dir == DMA_NONE); for_each_sg(sgl, sg, nelems, i) - xen_unmap_single(hwdev, sg->dma_address, sg->dma_length, dir); + xen_unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir); } EXPORT_SYMBOL_GPL(xen_swiotlb_unmap_sg_attrs); @@ -555,7 +555,7 @@ xen_swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sgl, for_each_sg(sgl, sg, nelems, i) xen_swiotlb_sync_single(hwdev, sg->dma_address, - sg->dma_length, dir, target); + sg_dma_len(sg), dir, target); } void -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/