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Diffstat (limited to 'drivers/mtd/ubi/build.c')
-rw-r--r--drivers/mtd/ubi/build.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 3174dd40095..ce311aa75a7 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -607,8 +607,18 @@ static int io_init(struct ubi_device *ubi)
ubi->peb_count = mtd_div_by_eb(ubi->mtd->size, ubi->mtd);
ubi->flash_size = ubi->mtd->size;
- if (mtd_can_have_bb(ubi->mtd))
+ if (mtd_can_have_bb(ubi->mtd)) {
ubi->bad_allowed = 1;
+ if (CONFIG_MTD_UBI_BEB_LIMIT > 0) {
+ int percent = CONFIG_MTD_UBI_BEB_LIMIT;
+ int limit = mult_frac(ubi->peb_count, percent, 100);
+
+ /* Round it up */
+ if (mult_frac(limit, 100, percent) < ubi->peb_count)
+ limit += 1;
+ ubi->bad_peb_limit = limit;
+ }
+ }
if (ubi->mtd->type == MTD_NORFLASH) {
ubi_assert(ubi->mtd->writesize == 1);