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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>
This commit is contained in:
Kyungmin Park 2010-08-27 11:55:44 +09:00 committed by David Woodhouse
parent 8b865d5efd
commit 9aba97ad00
1 changed files with 2 additions and 3 deletions
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5
drivers/mtd/onenand/samsung.c
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@ -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;
}