From patchwork Fri Nov 23 21:34:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [5/9] mips: dma_debug: add debug_dma_mapping_error support Date: Fri, 23 Nov 2012 11:34:56 -0000 From: Shuah Khan X-Patchwork-Id: 201413 Message-Id: <1353706496.5270.101.camel@lorien2> 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-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 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); }