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authorJoel Becker <joel.becker@oracle.com>2010-10-15 22:03:09 +0200
committerJoel Becker <joel.becker@oracle.com>2010-10-15 22:03:09 +0200
commitfc3718918f13ad72827d62d36ea0f5fb55090644 (patch)
tree4f9551256e02d08be37bab137f3d94182a67504c /drivers/mtd/onenand/samsung.c
parentocfs2: Add a mount option "coherency=*" to handle cluster coherency for O_DIR... (diff)
parentocfs2/cluster: Release debugfs file elapsed_time_in_ms (diff)
downloadlinux-fc3718918f13ad72827d62d36ea0f5fb55090644.tar.xz
linux-fc3718918f13ad72827d62d36ea0f5fb55090644.zip
Merge branch 'globalheartbeat-2' of git://oss.oracle.com/git/smushran/linux-2.6 into ocfs2-merge-window
Conflicts: fs/ocfs2/ocfs2.h
Diffstat (limited to 'drivers/mtd/onenand/samsung.c')
-rw-r--r--drivers/mtd/onenand/samsung.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index cb443af3d45f..a460f1b748c2 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -554,14 +554,13 @@ static int s5pc110_dma_ops(void *dst, void *src, size_t count, int direction)
do {
status = readl(base + S5PC110_DMA_TRANS_STATUS);
+ if (status & S5PC110_DMA_TRANS_STATUS_TE) {
+ writel(S5PC110_DMA_TRANS_CMD_TEC,
+ base + S5PC110_DMA_TRANS_CMD);
+ return -EIO;
+ }
} while (!(status & S5PC110_DMA_TRANS_STATUS_TD));
- if (status & S5PC110_DMA_TRANS_STATUS_TE) {
- writel(S5PC110_DMA_TRANS_CMD_TEC, base + S5PC110_DMA_TRANS_CMD);
- writel(S5PC110_DMA_TRANS_CMD_TDC, base + S5PC110_DMA_TRANS_CMD);
- return -EIO;
- }
-
writel(S5PC110_DMA_TRANS_CMD_TDC, base + S5PC110_DMA_TRANS_CMD);
return 0;
@@ -571,13 +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;
@@ -621,7 +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;
}