diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/build.c | 6 | ||||
| -rw-r--r-- | drivers/mtd/ubi/io.c | 9 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 40fa994ad6a8..f399edc82191 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -629,10 +629,8 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024) ubi->bad_peb_limit = get_bad_peb_limit(ubi, max_beb_per1024); } - if (ubi->mtd->type == MTD_NORFLASH) { - ubi_assert(ubi->mtd->writesize == 1); + if (ubi->mtd->type == MTD_NORFLASH) ubi->nor_flash = 1; - } ubi->min_io_size = ubi->mtd->writesize; ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; @@ -1352,8 +1350,6 @@ static int bytes_str_to_int(const char *str) fallthrough; case 'K': result *= 1024; - if (endp[1] == 'i' && endp[2] == 'B') - endp += 2; case '\0': break; default: diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 14d890b00d2c..2f3312c31e51 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -535,7 +535,14 @@ int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture) return -EROFS; } - if (ubi->nor_flash) { + /* + * If the flash is ECC-ed then we have to erase the ECC block before we + * can write to it. But the write is in preparation to an erase in the + * first place. This means we cannot zero out EC and VID before the + * erase and we just have to hope the flash starts erasing from the + * start of the page. + */ + if (ubi->nor_flash && ubi->mtd->writesize == 1) { err = nor_erase_prepare(ubi, pnum); if (err) return err; |