From patchwork Fri Nov 23 21:37:54 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [9/9] tile: dma_debug: add debug_dma_mapping_error support Date: Fri, 23 Nov 2012 11:37:54 -0000 From: Shuah Khan X-Patchwork-Id: 201410 Message-Id: <1353706674.5270.105.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-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 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/tile/include/asm/dma-mapping.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/tile/include/asm/dma-mapping.h b/arch/tile/include/asm/dma-mapping.h index 4b6247d..f2ff191 100644 --- a/arch/tile/include/asm/dma-mapping.h +++ b/arch/tile/include/asm/dma-mapping.h @@ -72,6 +72,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { + debug_dma_mapping_error(dev, dma_addr); return get_dma_ops(dev)->mapping_error(dev, dma_addr); }