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authorArtem Bityutskiy <dedekind@infradead.org>2006-10-20 11:23:56 +0300
committerDavid Woodhouse <dwmw2@infradead.org>2006-10-21 16:44:23 +0100
commit82810b7b6cc7a74c68881a13b0eb66c7a6370fcc (patch)
treeefe74cb87d5fd878d8d84cabd60fdfdfeca8e353 /drivers/mtd/nand
parenta86aaa6ddf32b0401e64e74174042866e0fb3e20 (diff)
[MTD] NAND: nandsim: support subpage write
As flash cannot do 0->1 bit transitions when programming, do not do this in the simulator too. This makes nandsim able to accept subpage writes. Signed-off-by: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/nandsim.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 28ee78544ff..abebcab4763 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -852,6 +852,7 @@ static void erase_sector(struct nandsim *ns)
*/
static int prog_page(struct nandsim *ns, int num)
{
+ int i;
union ns_mem *mypage;
u_char *pg_off;
@@ -867,7 +868,8 @@ static int prog_page(struct nandsim *ns, int num)
}
pg_off = NS_PAGE_BYTE_OFF(ns);
- memcpy(pg_off, ns->buf.byte, num);
+ for (i = 0; i < num; i++)
+ pg_off[i] &= ns->buf.byte[i];
return 0;
}