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path: root/drivers/mtd/nand/nand_base.c
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Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r--drivers/mtd/nand/nand_base.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index bd69790..c2901bd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2963,6 +2963,15 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
*maf_id == NAND_MFR_MICRON))
chip->options |= NAND_BBT_SCAN2NDPAGE;
+ /*
+ * Numonyx/ST 2K pages, x8 bus use BOTH byte 1 and 6
+ */
+ if (!(busw & NAND_BUSWIDTH_16) &&
+ *maf_id == NAND_MFR_STMICRO &&
+ mtd->writesize == 2048) {
+ chip->options |= NAND_BBT_SCANBYTE1AND6;
+ chip->badblockpos = 0;
+ }
/* Check for AND chips with 4 page planes */
if (chip->options & NAND_4PAGE_ARRAY)
@@ -3322,6 +3331,11 @@ void nand_release(struct mtd_info *mtd)
kfree(chip->bbt);
if (!(chip->options & NAND_OWN_BUFFERS))
kfree(chip->buffers);
+
+ /* Free bad block descriptor memory */
+ if (chip->badblock_pattern && chip->badblock_pattern->options
+ & NAND_BBT_DYNAMICSTRUCT)
+ kfree(chip->badblock_pattern);
}
EXPORT_SYMBOL_GPL(nand_lock);