Patchwork [RFT,RESEND,linux-next] powerpc: dma-mapping: support debug_dma_mapping_error

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Submitter Shuah Khan
Date Oct. 26, 2012, 4:08 p.m.
Message ID <1351267705.4013.18.camel@lorien2>
Download mbox | patch
Permalink /patch/194531/
State Not Applicable
Headers show

Comments

Shuah Khan - Oct. 26, 2012, 4:08 p.m.
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>
---
 arch/powerpc/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)
Shuah Khan - Nov. 15, 2012, 6:05 p.m.
On Fri, 2012-10-26 at 10:08 -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 <shuah.khan@hp.com>
> ---
>  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);
>  

Marek,

This one is for powerpc to go through your tree with the other arch
debug_dma_mapping_error() patches.

Thanks,
-- Shuah

Patch

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);