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mtd: rawnand: gpmi: Add strict ecc strength check

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Add nand_ecc_is_strong_enough() check in gpmi_check_ecc() function to
make sure ecc strength can meet chip requirement.

Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220412025246.24269-3-han.xu@nxp.com
This commit is contained in:
Han Xu 2022-04-11 21:52:43 -05:00 committed by Miquel Raynal
parent 15616c7cfb
commit d10af38a2e
1 changed files with 14 additions and 1 deletions
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15
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
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@ -240,7 +240,13 @@ static void gpmi_dump_info(struct gpmi_nand_data *this)
static inline bool gpmi_check_ecc(struct gpmi_nand_data *this)
{
struct nand_chip *chip = &this->nand;
struct bch_geometry *geo = &this->bch_geometry;
struct nand_device *nand = &chip->base;
struct nand_ecc_props *conf = &nand->ecc.ctx.conf;
conf->step_size = geo->eccn_chunk_size;
conf->strength = geo->ecc_strength;
/* Do the sanity check. */
if (GPMI_IS_MXS(this)) {
@ -248,7 +254,14 @@ static inline bool gpmi_check_ecc(struct gpmi_nand_data *this)
if (geo->gf_len == 14)
return false;
}
return geo->ecc_strength <= this->devdata->bch_max_ecc_strength;
if (geo->ecc_strength > this->devdata->bch_max_ecc_strength)
return false;
if (!nand_ecc_is_strong_enough(nand))
return false;
return true;
}
/*