Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756430AbcKBRNa (ORCPT ); Wed, 2 Nov 2016 13:13:30 -0400 Received: from mga07.intel.com ([134.134.136.100]:45989 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756246AbcKBRN2 (ORCPT ); Wed, 2 Nov 2016 13:13:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,583,1473145200"; d="scan'208";a="26617714" Subject: [mm PATCH v2 01/26] swiotlb: Drop unused functions swiotlb_map_sg and swiotlb_unmap_sg From: Alexander Duyck To: linux-mm@kvack.org, akpm@linux-foundation.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Rzeszutek Wilk Date: Wed, 02 Nov 2016 07:12:31 -0400 Message-ID: <20161102111211.79519.39931.stgit@ahduyck-blue-test.jf.intel.com> In-Reply-To: <20161102111031.79519.14741.stgit@ahduyck-blue-test.jf.intel.com> References: <20161102111031.79519.14741.stgit@ahduyck-blue-test.jf.intel.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2151 Lines: 66 There are no users for swiotlb_map_sg or swiotlb_unmap_sg so we might as well just drop them. Cc: Konrad Rzeszutek Wilk Signed-off-by: Alexander Duyck --- v2: Added swiotlb_unmap_sg to functions dropped. include/linux/swiotlb.h | 8 -------- lib/swiotlb.c | 16 ---------------- 2 files changed, 24 deletions(-) diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 5f81f8a..f0d2589 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -73,14 +73,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, unsigned long attrs); extern int -swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, - enum dma_data_direction dir); - -extern void -swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, - enum dma_data_direction dir); - -extern int swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, unsigned long attrs); diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 22e13a0..5005316 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -910,14 +910,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, } EXPORT_SYMBOL(swiotlb_map_sg_attrs); -int -swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems, - enum dma_data_direction dir) -{ - return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, 0); -} -EXPORT_SYMBOL(swiotlb_map_sg); - /* * Unmap a set of streaming mode DMA translations. Again, cpu read rules * concerning calls here are the same as for swiotlb_unmap_page() above. @@ -938,14 +930,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, } EXPORT_SYMBOL(swiotlb_unmap_sg_attrs); -void -swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems, - enum dma_data_direction dir) -{ - return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, 0); -} -EXPORT_SYMBOL(swiotlb_unmap_sg); - /* * Make physical memory consistent for a set of streaming mode DMA translations * after a transfer.