diff options
| author | Kyungmin Park <kyungmin.park@samsung.com> | 2010-11-02 10:28:46 +0900 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-12-03 16:27:18 +0000 |
| commit | 08b3af3092bb2c284796e4e823c5309c2d0a9bca (patch) | |
| tree | 0794fc9f3f68286ca1c295f29a52c0839805f4e7 /drivers/mtd | |
| parent | daf05ec00c6e60a2c705820e7f93cbd31c804fe3 (diff) | |
| download | op-kernel-dev-08b3af3092bb2c284796e4e823c5309c2d0a9bca.zip op-kernel-dev-08b3af3092bb2c284796e4e823c5309c2d0a9bca.tar.gz | |
mtd: OneNAND: Fix page offset handling at 2KiB pagesize
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/onenand/samsung.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index 0de7a05..a4c74a9 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -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); |
