diff options
Diffstat (limited to 'drivers/mtd/onenand/onenand_base.c')
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index bac41caa8df7..56a8b2005bda 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -1132,6 +1132,8 @@ static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from, onenand_update_bufferram(mtd, from, !ret); if (ret == -EBADMSG) ret = 0; + if (ret) + break; } this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen); @@ -1646,11 +1648,10 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr, int ret = 0; int thislen, column; + column = addr & (this->writesize - 1); + while (len != 0) { - thislen = min_t(int, this->writesize, len); - column = addr & (this->writesize - 1); - if (column + thislen > this->writesize) - thislen = this->writesize - column; + thislen = min_t(int, this->writesize - column, len); this->command(mtd, ONENAND_CMD_READ, addr, this->writesize); @@ -1664,12 +1665,13 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr, this->read_bufferram(mtd, ONENAND_DATARAM, this->verify_buf, 0, mtd->writesize); - if (memcmp(buf, this->verify_buf, thislen)) + if (memcmp(buf, this->verify_buf + column, thislen)) return -EBADMSG; len -= thislen; buf += thislen; addr += thislen; + column = 0; } return 0; @@ -4083,7 +4085,8 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) mtd->writebufsize = mtd->writesize; /* Unlock whole block */ - this->unlock_all(mtd); + if (!(this->options & ONENAND_SKIP_INITIAL_UNLOCKING)) + this->unlock_all(mtd); ret = this->scan_bbt(mtd); if ((!FLEXONENAND(this)) || ret) |