1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a3c7473dd409..d551ddd9537a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2866,6 +2866,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
                  */
                 if (id_data[0] == id_data[6] && id_data[1] == id_data[7] &&
                                 id_data[0] == NAND_MFR_SAMSUNG &&
+                                (chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
                                 id_data[5] != 0x00) {
                         /* Calc pagesize */
                         mtd->writesize = 2048 << (extid & 0x03);
@@ -2934,14 +2935,10 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
                 chip->chip_shift = ffs((unsigned)(chip->chipsize >> 32)) + 32 - 1;
 
         /* Set the bad block position */
-        if (!(busw & NAND_BUSWIDTH_16) && (*maf_id == NAND_MFR_STMICRO ||
-                                (*maf_id == NAND_MFR_SAMSUNG &&
-                                 mtd->writesize == 512) ||
-                                *maf_id == NAND_MFR_AMD))
-                chip->badblockpos = NAND_SMALL_BADBLOCK_POS;
-        else
+        if (mtd->writesize > 512 || (busw & NAND_BUSWIDTH_16))
                 chip->badblockpos = NAND_LARGE_BADBLOCK_POS;
-
+        else
+                chip->badblockpos = NAND_SMALL_BADBLOCK_POS;
 
         /* Get chip options, preserve non chip based options */
         chip->options &= ~NAND_CHIPOPTIONS_MSK;