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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
authored by
Han Xu
and committed by
Miquel Raynal
d10af38a
15616c7c
+14
-1
+14
-1
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+14
-1
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
···
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static inline bool gpmi_check_ecc(struct gpmi_nand_data *this)
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{
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struct nand_chip *chip = &this->nand;
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struct bch_geometry *geo = &this->bch_geometry;
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struct nand_device *nand = &chip->base;
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struct nand_ecc_props *conf = &nand->ecc.ctx.conf;
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conf->step_size = geo->eccn_chunk_size;
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conf->strength = geo->ecc_strength;
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/* Do the sanity check. */
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if (GPMI_IS_MXS(this)) {
···
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if (geo->gf_len == 14)
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return false;
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}
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return geo->ecc_strength <= this->devdata->bch_max_ecc_strength;
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if (geo->ecc_strength > this->devdata->bch_max_ecc_strength)
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return false;
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if (!nand_ecc_is_strong_enough(nand))
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return false;
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return true;
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}
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/*