From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754812Ab3AMKrH (ORCPT ); Sun, 13 Jan 2013 05:47:07 -0500 Received: from juliette.telenet-ops.be ([195.130.137.74]:51173 "EHLO juliette.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754564Ab3AMKpB (ORCPT ); Sun, 13 Jan 2013 05:45:01 -0500 From: Geert Uytterhoeven To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Marek Szyprowski , linux-cris-kernel@axis.com Subject: [PATCH 4/9] cris: Provide dma_mmap_coherent() and dma_get_sgtable() Date: Sun, 13 Jan 2013 11:44:45 +0100 Message-Id: <1358073890-3610-4-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> References: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cris/allmodconfig: drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’: drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’ drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’: drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’ For architectures using dma_map_ops, dma_mmap_coherent() and dma_get_sgtable() are provided in . Cris does not use dma_map_ops, hence it should implement them as inline stubs using dma_common_mmap() and dma_common_get_sgtable(). Signed-off-by: Geert Uytterhoeven Cc: Marek Szyprowski Cc: linux-cris-kernel@axis.com --- arch/cris/include/asm/dma-mapping.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h index 8588b2c..2f0f654 100644 --- a/arch/cris/include/asm/dma-mapping.h +++ b/arch/cris/include/asm/dma-mapping.h @@ -158,5 +158,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, { } +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif -- 1.7.0.4