[PATCH 4/9] microblaze: dma-mapping: support debug_dma_mapping_error

Shuah Khan shuah.khan at hp.com
Sat Nov 24 08:33:42 EST 2012

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 <shuah.khan at hp.com>
Acked-by: Michal Simek <monstr at monstr.eu>

This patch is already in linux-next. Including it in this series for
completeness. linux-next commit f229605441030bcd315c21d97b25889d63ed0130

-- shuah
 arch/microblaze/include/asm/dma-mapping.h |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 01d2282..46460f1 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -114,6 +114,8 @@ static inline void __dma_sync(unsigned long paddr,
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 	struct dma_map_ops *ops = get_dma_ops(dev);
+	debug_dma_mapping_error(dev, dma_addr);
 	if (ops->mapping_error)
 		return ops->mapping_error(dev, dma_addr);

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