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mtd: OneNAND: Fix page offset handling at 2KiB pagesize

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When use the 2KiB pagesize, it should be set the correct page offset.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Kyungmin Park 2010-11-02 10:28:46 +09:00 committed by David Woodhouse
parent daf05ec00c
commit 08b3af3092
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/onenand/samsung.c
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@ -651,7 +651,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
void __iomem *p;
void *buf = (void *) buffer;
dma_addr_t dma_src, dma_dst;
int err, page_dma = 0;
int err, ofs, page_dma = 0;
struct device *dev = &onenand->pdev->dev;
p = this->base + area;
@ -677,10 +677,13 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
if (!page)
goto normal;
/* Page offset */
ofs = ((size_t) buf & ~PAGE_MASK);
page_dma = 1;
/* DMA routine */
dma_src = onenand->phys_base + (p - this->base);
dma_dst = dma_map_page(dev, page, 0, count, DMA_FROM_DEVICE);
dma_dst = dma_map_page(dev, page, ofs, count, DMA_FROM_DEVICE);
} else {
/* DMA routine */
dma_src = onenand->phys_base + (p - this->base);