From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g1t0026.austin.hp.com (g1t0026.austin.hp.com [15.216.28.33]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.hp.com", Issuer "VeriSign Class 3 Secure Server CA - G3" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 07D052C030D for ; Sat, 24 Nov 2012 08:40:59 +1100 (EST) Message-ID: <1353706496.5270.101.camel@lorien2> Subject: [PATCH 5/9] mips: dma_debug: add debug_dma_mapping_error support From: Shuah Khan 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 Date: Fri, 23 Nov 2012 14:34:56 -0700 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-c6x-dev@linux-c6x.org, linux-sh@vger.kernel.org, microblaze-uclinux@itee.uq.edu.au, LKML , shuahkhan@gmail.com, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Reply-To: shuah.khan@hp.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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/mips/include/asm/dma-mapping.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index be39a12..006b43e 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -40,6 +40,8 @@ static inline int dma_supported(struct device *dev, u64 mask) static inline int dma_mapping_error(struct device *dev, u64 mask) { struct dma_map_ops *ops = get_dma_ops(dev); + + debug_dma_mapping_error(dev, mask); return ops->mapping_error(dev, mask); } -- 1.7.9.5