Add markbad function
Add missing markbad function
If not, it's hang when it entered the mtd->mark_bad().
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index f62b1aa..dcc969f 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1584,6 +1584,37 @@
}
/**
+ * onenand_default_block_markbad - [DEFAULT] mark a block bad
+ * @param mtd MTD device structure
+ * @param ofs offset from device start
+ *
+ * This is the default implementation, which can be overridden by
+ * a hardware specific driver.
+ */
+static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
+{
+ struct onenand_chip *this = mtd->priv;
+ struct bbm_info *bbm = this->bbm;
+ u_char buf[2] = {0, 0};
+ struct mtd_oob_ops ops = {
+ .mode = MTD_OOB_PLACE,
+ .ooblen = 2,
+ .oobbuf = buf,
+ .ooboffs = 0,
+ };
+ int block;
+
+ /* Get block number */
+ block = ((int) ofs) >> bbm->bbt_erase_shift;
+ if (bbm->bbt)
+ bbm->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
+
+ /* We write two bytes, so we dont have to mess with 16 bit access */
+ ofs += mtd->oobsize + (bbm->badblockpos & ~0x01);
+ return onenand_write_oob_nolock(mtd, ofs, &ops);
+}
+
+/**
* onenand_block_markbad - [MTD Interface] Mark the block at the given offset as bad
* @param mtd MTD device structure
* @param ofs offset relative to mtd start
@@ -2048,6 +2079,8 @@
if (!this->write_bufferram)
this->write_bufferram = onenand_write_bufferram;
+ if (!this->block_markbad)
+ this->block_markbad = onenand_default_block_markbad;
if (!this->scan_bbt)
this->scan_bbt = onenand_default_bbt;