[U-Boot] [PATCH] cfi_mtd: Fix bug in last sector detection
Stefan Roese
sr at denx.de
Mon May 11 15:54:13 CEST 2009
This patch now enabled this cfi-mtd wrapper to correctly detect and
erase the last sector in an NOR FLASH device.
Signed-off-by: Stefan Roese <sr at denx.de>
---
drivers/mtd/cfi_mtd.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/cfi_mtd.c b/drivers/mtd/cfi_mtd.c
index f03e4fb..4a76917 100644
--- a/drivers/mtd/cfi_mtd.c
+++ b/drivers/mtd/cfi_mtd.c
@@ -43,11 +43,16 @@ static int cfi_mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
int s_last = -1;
int error, sect;
- for (sect = 0; sect < fi->sector_count - 1; sect++) {
+ for (sect = 0; sect < fi->sector_count; sect++) {
if (a_start == fi->start[sect])
s_first = sect;
- if (a_end == fi->start[sect + 1]) {
+ if (sect < fi->sector_count - 1) {
+ if (a_end == fi->start[sect + 1]) {
+ s_last = sect;
+ break;
+ }
+ } else {
s_last = sect;
break;
}
--
1.6.2.5
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