linux-kernel - [PATCH] dma-mapping: fix debug print to display correct dma_pfn

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Date:	Mon, 22 Dec 2014 10:35:09 -0500
From:	Murali Karicheri <m-karicheri2@...com>
To:	<grant.likely@...aro.org>, <robh+dt@...nel.org>,
	<devicetree@...r.kernel.org>, <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC:	Murali Karicheri <m-karicheri2@...com>
Subject: [PATCH] dma-mapping: fix debug print to display correct dma_pfn_offset

fix the dev_dbg to display the offset which is the calculated
dma_pfn_offset value and set later in the code.

Signed-off-by: Murali Karicheri <m-karicheri2@...com>
---
 drivers/of/platform.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 5b33c6a..a54ec10 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -188,7 +188,7 @@ static void of_dma_configure(struct device *dev)
 		size = dev->coherent_dma_mask;
 	} else {
 		offset = PFN_DOWN(paddr - dma_addr);
-		dev_dbg(dev, "dma_pfn_offset(%#08lx)\n", dev->dma_pfn_offset);
+		dev_dbg(dev, "dma_pfn_offset(%#08lx)\n", offset);
 	}
 	dev->dma_pfn_offset = offset;
 
-- 
1.7.9.5

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