Display a BUG() message and return appropriate/expected value.
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
drivers/mtd/nand/stm_nand_bch.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c
index e7a4bed..2ba1d05 100644
--- a/drivers/mtd/nand/stm_nand_bch.c
+++ b/drivers/mtd/nand/stm_nand_bch.c
@@ -1455,6 +1455,39 @@ static int bch_mtd_write_oob(struct mtd_info *mtd,
return 0;
}
+static int bch_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
+ uint8_t *buf, int oob_required, int page)
+{
+ BUG();
+ return 0;
+}
+
+static int bch_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
+ const uint8_t *buf, int oob_required)
+{
+ BUG();
+ return 0;
+}
+
+static void bch_hwctl(struct mtd_info *mtd, int mode)
+{
+ BUG();
+}
+
+static int bch_calculate(struct mtd_info *mtd, const uint8_t *dat,
+ uint8_t *ecc_code)
+{
+ BUG();
+ return 0;
+}
+
+static int bch_correct(struct mtd_info *mtd, uint8_t *dat, uint8_t *read_ecc,
+ uint8_t *calc_ecc)
+{
+ BUG();
+ return 0;
+}
+
static int bch_block_isbad(struct mtd_info *mtd, loff_t offs, int getchip)
{
struct nand_chip *chip = mtd->priv;
@@ -1612,10 +1645,16 @@ static void nandi_set_mtd_defaults(struct
nandi_controller *nandi,
mtd->ecclayout = &info->ecclayout;
mtd->subpage_sft = 0;
+ chip->ecc.hwctl = bch_hwctl;
+ chip->ecc.calculate = bch_calculate;
+ chip->ecc.correct = bch_correct;
+
chip->ecc.read_oob = bch_mtd_read_oob;
chip->ecc.write_oob = bch_mtd_write_oob;
chip->ecc.read_page = bch_read;
+ chip->ecc.read_page_raw = bch_read_page_raw;
+ chip->ecc.write_page_raw = bch_write_page_raw;
chip->write_page = bch_write;
chip->erase = bch_erase;
--
1.8.3.2
--
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