Plus, the new helper has a more "english" name.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
drivers/mtd/nand/raw/nand_base.c | 39 +-------------------------------
1 file changed, 1 insertion(+), 38 deletions(-)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index d3e1fc944179..c69d60f791d0 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -5471,43 +5471,6 @@ int nand_ecc_choose_conf(struct nand_chip *chip,
}
EXPORT_SYMBOL_GPL(nand_ecc_choose_conf);
-/*
- * Check if the chip configuration meet the datasheet requirements.
-
- * If our configuration corrects A bits per B bytes and the minimum
- * required correction level is X bits per Y bytes, then we must ensure
- * both of the following are true:
- *
- * (1) A / B >= X / Y
- * (2) A >= X
- *
- * Requirement (1) ensures we can correct for the required bitflip density.
- * Requirement (2) ensures we can correct even when all bitflips are clumped
- * in the same sector.
- */
-static bool nand_ecc_strength_good(struct nand_chip *chip)
-{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_ecc_ctrl *ecc = &chip->ecc;
- const struct nand_ecc_props *requirements =
- nanddev_get_ecc_requirements(&chip->base);
- int corr, ds_corr;
-
- if (ecc->size == 0 || requirements->step_size == 0)
- /* Not enough information */
- return true;
-
- /*
- * We get the number of corrected bits per page to compare
- * the correction density.
- */
- corr = (mtd->writesize * ecc->strength) / ecc->size;
- ds_corr = (mtd->writesize * requirements->strength) /
- requirements->step_size;
-
- return corr >= ds_corr && ecc->strength >= requirements->strength;
-}
-
static int rawnand_erase(struct nand_device *nand, const struct nand_pos *pos)
{
struct nand_chip *chip = container_of(nand, struct nand_chip,
@@ -5790,7 +5753,7 @@ static int nand_scan_tail(struct nand_chip *chip)
mtd->oobavail = ret;
/* ECC sanity check: warn if it's too weak */
- if (!nand_ecc_strength_good(chip))
+ if (!nand_ecc_is_strong_enough(&chip->base))
pr_warn("WARNING: %s: the ECC used on your system (%db/%dB) is too weak compared to the one required by the NAND chip (%db/%dB)\n",
mtd->name, chip->ecc.strength, chip->ecc.size,
nanddev_get_ecc_requirements(&chip->base)->strength,
--
2.20.1
