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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 22:15:30 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 22:15:30 +0300
commitab2020f2f11fc7fb81e6c71298b0830d85412011 (patch)
treec9a6342063461dcf31278d65585bca73bdda4a84 /drivers/mtd/onenand/samsung.c
parent235646a486d10891bd86af28d8eac75d9f22bd2d (diff)
parent154bf89f5e3e3dc59666926f27ca4a0866f39157 (diff)
downloadlinux-ab2020f2f11fc7fb81e6c71298b0830d85412011.tar.xz
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (59 commits) mtd: mtdpart: disallow reading OOB past the end of the partition mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe UBI: use mtd->writebufsize to set minimal I/O unit size mtd: initialize writebufsize in the MTD object of a partition mtd: onenand: add mtd->writebufsize initialization mtd: nand: add mtd->writebufsize initialization mtd: cfi: add writebufsize initialization mtd: add writebufsize field to mtd_info struct mtd: OneNAND: OMAP2/3: prevent regulator sleeping while OneNAND is in use mtd: OneNAND: add enable / disable methods to onenand_chip mtd: m25p80: Fix JEDEC ID for AT26DF321 mtd: txx9ndfmc: limit transfer bytes to 512 (ECC provides 6 bytes max) mtd: cfi_cmdset_0002: add support for Samsung K8D3x16UxC NOR chips mtd: cfi_cmdset_0002: add support for Samsung K8D6x16UxM NOR chips mtd: nand: ams-delta: drop omap_read/write, use ioremap mtd: m25p80: add debugging trace in sst_write mtd: nand: ams-delta: select for built-in by default mtd: OneNAND: lighten scary initial bad block messages mtd: OneNAND: OMAP2/3: add support for command line partitioning mtd: nand: rearrange ONFI revision checking, add ONFI 2.3 ... Fix up trivial conflict in drivers/mtd/Kconfig as per DavidW.
Diffstat (limited to 'drivers/mtd/onenand/samsung.c')
-rw-r--r--drivers/mtd/onenand/samsung.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index 0de7a05e6de0..a4c74a9ba430 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);