diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 994dd9f..3bfbaf8 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -489,7 +489,7 @@
 }
 
 static int atmel_nand_pmecc_read_page(struct mtd_info *mtd,
-	struct nand_chip *chip, uint8_t *buf, int page)
+	struct nand_chip *chip, uint8_t *buf, int oob_required, int page)
 {
 	struct atmel_nand_host *host = chip->priv;
 	int eccsize = chip->ecc.size;
@@ -529,8 +529,9 @@
 	return 0;
 }
 
-static void atmel_nand_pmecc_write_page(struct mtd_info *mtd,
-		struct nand_chip *chip, const uint8_t *buf)
+static int atmel_nand_pmecc_write_page(struct mtd_info *mtd,
+		struct nand_chip *chip, const uint8_t *buf,
+		int oob_required)
 {
 	struct atmel_nand_host *host = chip->priv;
 	uint32_t *eccpos = chip->ecc.layout->eccpos;
@@ -557,7 +558,7 @@
 
 	if (!timeout) {
 		printk(KERN_ERR "atmel_nand : Timeout to read PMECC status, fail to write PMECC in oob\n");
-		return;
+		goto out;
 	}
 
 	for (i = 0; i < host->pmecc_sector_number; i++) {
@@ -570,6 +571,8 @@
 		}
 	}
 	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+out:
+	return 0;
 }
 
 static void atmel_pmecc_core_init(struct mtd_info *mtd)
@@ -706,6 +709,7 @@
 
 	nand->ecc.read_page = atmel_nand_pmecc_read_page;
 	nand->ecc.write_page = atmel_nand_pmecc_write_page;
+	nand->ecc.strength = cap;
 
 	atmel_pmecc_core_init(mtd);
 
@@ -775,9 +779,10 @@
  * mtd:        mtd info structure
  * chip:       nand chip info structure
  * buf:        buffer to store read data
+ * oob_required:    caller expects OOB data read to chip->oob_poi
  */
-static int atmel_nand_read_page(struct mtd_info *mtd,
-		struct nand_chip *chip, uint8_t *buf, int page)
+static int atmel_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+				uint8_t *buf, int oob_required, int page)
 {
 	int eccsize = chip->ecc.size;
 	int eccbytes = chip->ecc.bytes;