From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 23 Nov 2012 22:35:50 +0100 (CET) Received: from g1t0028.austin.hp.com ([15.216.28.35]:40707 "EHLO g1t0028.austin.hp.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S6825698Ab2KWVftfIBIq (ORCPT ); Fri, 23 Nov 2012 22:35:49 +0100 Received: from g1t0039.austin.hp.com (g1t0039.austin.hp.com [16.236.32.45]) by g1t0028.austin.hp.com (Postfix) with ESMTP id D2A651C04F; Fri, 23 Nov 2012 21:35:40 +0000 (UTC) Received: from [10.152.0.6] (swa01cs005-da01.atlanta.hp.com [16.114.29.155]) by g1t0039.austin.hp.com (Postfix) with ESMTP id 28C84341CC; Fri, 23 Nov 2012 21:35:37 +0000 (UTC) Message-ID: <1353706536.5270.102.camel@lorien2> Subject: [PATCH 6/9] powerpc: dma_debug: add debug_dma_mapping_error support From: Shuah Khan Reply-To: shuah.khan@hp.com To: Joerg Roedel , a-jacquiot@ti.com, fenghua.yu@intel.com, catalin.marinas@arm.com, lethal@linux-sh.org, benh@kernel.crashing.org, ralf@linux-mips.org, tony.luck@intel.com, davem@davemloft.net, m.szyprowski@samsung.com, msalter@redhat.com, monstr@monstr.eu, Ming Lei Cc: linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, microblaze-uclinux@itee.uq.edu.au, shuahkhan@gmail.com, LKML Date: Fri, 23 Nov 2012 14:35:36 -0700 Organization: ISS-Linux Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-archive-position: 35103 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: shuah.khan@hp.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Return-Path: Add dma-debug interface debug_dma_mapping_error() to debug drivers that fail to check dma mapping errors on addresses returned by dma_map_single() and dma_map_page() interfaces. Signed-off-by: Shuah Khan --- arch/powerpc/include/asm/dma-mapping.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 7816087..e27e9ad 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -172,6 +172,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { struct dma_map_ops *dma_ops = get_dma_ops(dev); + debug_dma_mapping_error(dev, dma_addr); if (dma_ops->mapping_error) return dma_ops->mapping_error(dev, dma_addr); -- 1.7.9.5