From 9aba97ad004ed0cde9747a9daf5b1484edb746cd Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Fri, 27 Aug 2010 11:55:44 +0900 Subject: [PATCH] mtd: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1 Signed-off-by: Kyungmin Park Signed-off-by: David Woodhouse --- drivers/mtd/onenand/samsung.c | 5 ++--- 1 file 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; } -- 2.7.4