From patchwork Sun Jan 27 10:33:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 2051431 Return-Path: X-Original-To: patchwork-linux-parisc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 0EB773FD56 for ; Sun, 27 Jan 2013 10:33:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756444Ab3A0Kdm (ORCPT ); Sun, 27 Jan 2013 05:33:42 -0500 Received: from gerard.telenet-ops.be ([195.130.132.48]:59740 "EHLO gerard.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756475Ab3A0Kdf (ORCPT ); Sun, 27 Jan 2013 05:33:35 -0500 Received: from ayla.of.borg ([84.193.72.141]) by gerard.telenet-ops.be with bizsmtp id syZY1k00c32ts5g0HyZYpT; Sun, 27 Jan 2013 11:33:34 +0100 Received: from geert by ayla.of.borg with local (Exim 4.71) (envelope-from ) id 1TzPYJ-0008C3-JH; Sun, 27 Jan 2013 11:33:31 +0100 From: Geert Uytterhoeven To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Marek Szyprowski , James Bottomley , linux-parisc@vger.kernel.org Subject: [PATCH v2 8/9] parisc: Provide dummy dma_mmap_coherent() and dma_get_sgtable() Date: Sun, 27 Jan 2013 11:33:27 +0100 Message-Id: <1359282808-31398-9-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1359282808-31398-1-git-send-email-geert@linux-m68k.org> References: <1359282808-31398-1-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org parisc/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 . Parisc does not use dma_map_ops, hence it should implement them itself. For now, use dummy implementations that just return -EINVAL, until the API has been finalized, as it cannot be supported on PA-RISC as-is. Signed-off-by: Geert Uytterhoeven Cc: Marek Szyprowski Cc: James Bottomley Cc: linux-parisc@vger.kernel.org --- v2: Dummy implementations that just return -EINVAL --- arch/parisc/include/asm/dma-mapping.h | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h index 467bbd5..106b395 100644 --- a/arch/parisc/include/asm/dma-mapping.h +++ b/arch/parisc/include/asm/dma-mapping.h @@ -238,4 +238,19 @@ void * sba_get_iommu(struct parisc_device *dev); /* At the moment, we panic on error for IOMMU resource exaustion */ #define dma_mapping_error(dev, x) 0 +/* This API cannot be supported on PA-RISC */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif