From: Kyungmin Park <kmpark@infradead.org>
To: linux-mtd@lists.infradead.org
Cc: Artem.Bityutskiy@nokia.com, dwmw2@infradead.org
Subject: [PATCH 3/3] MTD: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs
Date: Fri, 27 Aug 2010 11:55:44 +0900 [thread overview]
Message-ID: <20100827025544.GA10702@july> (raw)
From: Kyungmin Park <kyungmin.park@samsung.com>
Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mtd/onenand/samsung.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index 69e48d0..7913a92 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -570,13 +570,12 @@ 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;
@@ -620,7 +619,7 @@ 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;
}
--
1.5.3.3
reply other threads:[~2010-08-27 2:55 UTC|newest]
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