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From:   Piotr Sroka <piotrs@cadence.com>
CC:     Kazuhiro Kasai <kasai.kazuhiro@socionext.com>,
        Piotr Sroka <piotrs@cadence.com>,
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        Vignesh Raghavendra <vigneshr@ti.com>,
        <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/4] mtd: rawnand: cadence: change bad block marker size
Date:   Mon, 10 Feb 2020 10:55:27 +0100
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Increase bad block marker size from one byte to two bytes.
Bad block marker is handled by skip bytes feature of HPNFC.
Controller excpects this value to be an even number.

Signed-off-by: Piotr Sroka <piotrs@cadence.com>
---
 drivers/mtd/nand/raw/cadence-nand-controller.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/raw/cadence-nand-controller.c b/drivers/mtd/nand/raw/cadence-nand-controller.c
index 2ebfd0934739..5c1bbb05ab51 100644
--- a/drivers/mtd/nand/raw/cadence-nand-controller.c
+++ b/drivers/mtd/nand/raw/cadence-nand-controller.c
@@ -2612,12 +2612,9 @@ int cadence_nand_attach_chip(struct nand_chip *chip)
 	chip->options |= NAND_NO_SUBPAGE_WRITE;
 
 	cdns_chip->bbm_offs = chip->badblockpos;
-	if (chip->options & NAND_BUSWIDTH_16) {
-		cdns_chip->bbm_offs &= ~0x01;
-		cdns_chip->bbm_len = 2;
-	} else {
-		cdns_chip->bbm_len = 1;
-	}
+	cdns_chip->bbm_offs &= ~0x01;
+	/* this value should be even number */
+	cdns_chip->bbm_len = 2;
 
 	ret = nand_ecc_choose_conf(chip,
 				   &cdns_ctrl->ecc_caps,
-- 
2.17.1