diff options
Diffstat (limited to 'drivers/mtd/onenand/samsung.c')
| -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 0de7a05e6de..a4c74a9ba43 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); |