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authorKyungmin Park <kyungmin.park@samsung.com>2010-08-27 11:55:44 +0900
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-09-13 08:49:18 +0100
commit9aba97ad004ed0cde9747a9daf5b1484edb746cd (patch)
treec44f1861042f9c69979713280eb775300d70ce92 /drivers/mtd
parent8b865d5efd9205b131dd9a43a6f450c05d38aaa1 (diff)
downloadop-kernel-dev-9aba97ad004ed0cde9747a9daf5b1484edb746cd.zip
op-kernel-dev-9aba97ad004ed0cde9747a9daf5b1484edb746cd.tar.gz
mtd: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs
Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1 Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/onenand/samsung.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index cb443af..094dfcb 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -571,13 +571,12 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
unsigned char *buffer, int offset, size_t count)
{
struct onenand_chip *this = mtd->priv;
- void __iomem *bufferram;
void __iomem *p;
void *buf = (void *) buffer;
dma_addr_t dma_src, dma_dst;
int err;
- p = bufferram = this->base + area;
+ p = this->base + area;
if (ONENAND_CURRENT_BUFFERRAM(this)) {
if (area == ONENAND_DATARAM)
p += this->writesize;
@@ -621,7 +620,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
normal:
if (count != mtd->writesize) {
/* Copy the bufferram to memory to prevent unaligned access */
- memcpy(this->page_buf, bufferram, mtd->writesize);
+ memcpy(this->page_buf, p, mtd->writesize);
p = this->page_buf + offset;
}
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