linux-kernel - [PATCH RFT RESEND linux-next] openrisc: dma-mapping: support debug_dma_mapping

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Message-ID: <1351267555.4013.15.camel@lorien2>
Date:	Fri, 26 Oct 2012 10:05:55 -0600
From:	Shuah Khan <shuah.khan@...com>
To:	jonas@...thpole.se
Cc:	linux@...ts.openrisc.net, LKML <linux-kernel@...r.kernel.org>,
	shuahkhan@...il.com
Subject: [PATCH RFT RESEND linux-next] openrisc: dma-mapping: support
 debug_dma_mapping_error

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@...com>
---
 arch/openrisc/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h
index fab8628..f12de49 100644
--- a/arch/openrisc/include/asm/dma-mapping.h
+++ b/arch/openrisc/include/asm/dma-mapping.h
@@ -95,6 +95,7 @@ static inline int dma_supported(struct device *dev, u64 dma_mask)
 
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
+	debug_dma_mapping_error(dev, dma_addr);
 	return 0;
 }
 
-- 
1.7.9.5



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