powerpc: dma-mapping: support debug_dma_mapping_error

Started by Shuah Khan on Oct 26, 2012 · 3 messages from 1 author · Last reply Nov 15, 2012

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STALE5109d

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  1. [PATCH RFT RESEND linux-next] powerpc: dma-mapping: support debug_dma_mapping_error
    Related patches
Message details and related content
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 <redacted>
---
 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);
 
-- 
1.7.9.5

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

Message details and related content
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 <redacted>
---
 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);
 
-- 
1.7.9.5

Re: [PATCH RFT RESEND linux-next] powerpc: dma-mapping: support debug_dma_mapping_error

Message details and related content
On Fri, 2012-10-26 at 10:08 -0600, Shuah Khan wrote:
quoted hunk
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 <redacted>
---
 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
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