From patchwork Fri Oct 26 00:16:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [RFT] powerpc: dma-mapping: support debug_dma_mapping_error From: Shuah Khan X-Patchwork-Id: 194327 Message-Id: <1351210584.6851.21.camel@lorien2> To: benh@kernel.crashing.org, paulus@samba.org, kyungmin.park@samsung.com, m.szyprowski@samsung.com, david@gibson.dropbear.id.au, arnd@arndb.de, andrzej.p@samsung.com Cc: linuxppc-dev@lists.ozlabs.org, LKML , shuahkhan@gmail.com Date: Thu, 25 Oct 2012 18:16:24 -0600 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 --- 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);