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microblaze: dma-mapping: support debug_dma_mapping_error

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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@hp.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Shuah Khan 2012-11-23 14:33:42 -07:00 committed by Joerg Roedel
parent 27fa0ab66f
commit e728fa18eb
1 changed files with 2 additions and 0 deletions
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2
arch/microblaze/include/asm/dma-mapping.h
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@ -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);