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[MTD] NAND: nandsim: support subpage write

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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>
This commit is contained in:
Artem Bityutskiy
2006-10-20 11:23:56 +03:00
committed by David Woodhouse
parent a86aaa6ddf
commit 82810b7b6c
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/nandsim.c
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@@ -852,6 +852,7 @@ static void erase_sector(struct nandsim *ns)
*/ */
static int prog_page(struct nandsim *ns, int num) static int prog_page(struct nandsim *ns, int num)
{ {
int i;
union ns_mem *mypage; union ns_mem *mypage;
u_char *pg_off; u_char *pg_off;
@@ -867,7 +868,8 @@ static int prog_page(struct nandsim *ns, int num)
} }
pg_off = NS_PAGE_BYTE_OFF(ns); 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; return 0;
} }