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| author | Han Xu <han.xu@nxp.com> | 2022-04-11 21:52:43 -0500 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2022-04-21 09:34:04 +0200 |
| commit | d10af38a2e3b60dc46ca9727dfc24d0ea57136e3 (patch) | |
| tree | 3f11bb1e78b90d3ee7fe558a545a710fdc8e322b | |
| parent | 15616c7cfb968d72e614b1ba669467dc373b2582 (diff) | |
| download | linux-d10af38a2e3b60dc46ca9727dfc24d0ea57136e3.tar.gz linux-d10af38a2e3b60dc46ca9727dfc24d0ea57136e3.tar.bz2 linux-d10af38a2e3b60dc46ca9727dfc24d0ea57136e3.zip | |
mtd: rawnand: gpmi: Add strict ecc strength check
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
| -rw-r--r-- | drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 66ebd569858d..cee39126771e 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -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; } /* |