From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuah.khan@hp.com (Shuah Khan) Date: Fri, 02 Nov 2012 09:58:53 -0600 Subject: [PATCH linux-next] ARM64: dma-mapping: support debug_dma_mapping_error In-Reply-To: <1351264983.2712.14.camel@lorien2> References: <1351205220.6851.3.camel@lorien2> <1351264983.2712.14.camel@lorien2> Message-ID: <1351871933.2721.10.camel@lorien2> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 2012-10-26 at 09:23 -0600, Shuah Khan wrote: > Add support for debug_dma_mapping_error() call to avoid warning from > debug_dma_unmap() interface when it checks for mapping error checked > status. Without this patch, device driver failed to check map error > warning is generated. > > Signed-off-by: Shuah Khan > Acked-by: Catalin Marinas Do you want this patch going through linux-next or the ARM64 tree? Let me know your preference. -- Shuah > --- > arch/arm64/include/asm/dma-mapping.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h > index 538f4b4..9947768 100644 > --- a/arch/arm64/include/asm/dma-mapping.h > +++ b/arch/arm64/include/asm/dma-mapping.h > @@ -50,6 +50,7 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr) > static inline int dma_mapping_error(struct device *dev, dma_addr_t dev_addr) > { > struct dma_map_ops *ops = get_dma_ops(dev); > + debug_dma_mapping_error(dev, dev_addr); > return ops->mapping_error(dev, dev_addr); > } >