OneNAND: Write oob area with aligned size, mtd->oobsize
There's some problem with write oob in serveral platform.
So we write oob with oobsize aligned (16bytes) instead of 3 bytes (from {2,
3})
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 e342ba0..6b950ab 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -965,8 +965,11 @@
this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->oobsize);
- this->write_bufferram(mtd, ONENAND_SPARERAM, ffchars, 0, mtd->oobsize);
- this->write_bufferram(mtd, ONENAND_SPARERAM, buf, column, thislen);
+ /* We send data to spare ram with oobsize
+ * to prevent byte access */
+ memset(this->page_buf, 0xff, mtd->oobsize);
+ memcpy(this->page_buf + column, buf, thislen);
+ this->write_bufferram(mtd, ONENAND_SPARERAM, this->page_buf, 0, mtd->oobsize);
this->command(mtd, ONENAND_CMD_PROGOOB, to, mtd->oobsize);