linux-kernel - [PATCH] [POWERPC] Fix fallout from sg

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Date:	Tue, 23 Oct 2007 07:53:01 -0700
From:	"Dale Farnsworth" <dale@...nsworth.org>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [POWERPC] Fix fallout from sg_page changes


Signed-off-by: Dale Farnsworth <dale@...nsworth.org>
---
 include/asm-powerpc/dma-mapping.h |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h
index 65be95d..43b4f3b 100644
--- a/include/asm-powerpc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -285,9 +285,9 @@ dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
 	BUG_ON(direction == DMA_NONE);
 
 	for_each_sg(sgl, sg, nents, i) {
-		BUG_ON(!sg->page);
-		__dma_sync_page(sg->page, sg->offset, sg->length, direction);
-		sg->dma_address = page_to_bus(sg->page) + sg->offset;
+		BUG_ON(!sg_page(sg));
+		__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
+		sg->dma_address = virt_to_bus(sg_virt(sg));
 	}
 
 	return nents;
@@ -328,7 +328,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
 	BUG_ON(direction == DMA_NONE);
 
 	for_each_sg(sgl, sg, nents, i)
-		__dma_sync_page(sg->page, sg->offset, sg->length, direction);
+		__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
 }
 
 static inline void dma_sync_sg_for_device(struct device *dev,
@@ -341,7 +341,7 @@ static inline void dma_sync_sg_for_device(struct device *dev,
 	BUG_ON(direction == DMA_NONE);
 
 	for_each_sg(sgl, sg, nents, i)
-		__dma_sync_page(sg->page, sg->offset, sg->length, direction);
+		__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
 }
 
 static inline int dma_mapping_error(dma_addr_t dma_addr)
-- 
1.5.3.4

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