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| author |   Miquel Raynal <miquel.raynal@bootlin.com> | 2020-04-24 18:45:01 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-11 09:51:40 +0200 |
| commit | 1617942a813cd4dc152e2d955b2feabc4e192891 (patch) | |
| tree | ed6591a45011b62869b892beef4f4c0ecbc0f361 /drivers/mtd/nand/raw/marvell_nand.c | |
| parent | mtd: rawnand: marvell: Rename a function to clarify (diff) | |
| download | linux-dev-1617942a813cd4dc152e2d955b2feabc4e192891.tar.xz linux-dev-1617942a813cd4dc152e2d955b2feabc4e192891.zip | |
mtd: rawnand: marvell: Rename the ->correct() function
There is no correction involved at this point, it is just a matter of
reading registers and checking whether bitflips have occurred or
not. Rename the function to clarify it.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/linux-mtd/20200424164501.26719-7-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd/nand/raw/marvell_nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/marvell_nand.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 778a244b27c5..88269c44b2b4 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -932,14 +932,14 @@ static void marvell_nfc_check_empty_chunk(struct nand_chip *chip, } /* - * Check a chunk is correct or not according to hardware ECC engine. + * Check if a chunk is correct or not according to the hardware ECC engine. * mtd->ecc_stats.corrected is updated, as well as max_bitflips, however * mtd->ecc_stats.failure is not, the function will instead return a non-zero * value indicating that a check on the emptyness of the subpage must be - * performed before declaring the subpage corrupted. + * performed before actually declaring the subpage as "corrupted". */ -static int marvell_nfc_hw_ecc_correct(struct nand_chip *chip, - unsigned int *max_bitflips) +static int marvell_nfc_hw_ecc_check_bitflips(struct nand_chip *chip, + unsigned int *max_bitflips) { struct mtd_info *mtd = nand_to_mtd(chip); struct marvell_nfc *nfc = to_marvell_nfc(chip->controller); @@ -1053,7 +1053,7 @@ static int marvell_nfc_hw_ecc_hmg_read_page(struct nand_chip *chip, u8 *buf, marvell_nfc_enable_hw_ecc(chip); marvell_nfc_hw_ecc_hmg_do_read_page(chip, buf, chip->oob_poi, false, page); - ret = marvell_nfc_hw_ecc_correct(chip, &max_bitflips); + ret = marvell_nfc_hw_ecc_check_bitflips(chip, &max_bitflips); marvell_nfc_disable_hw_ecc(chip); if (!ret) @@ -1336,7 +1336,7 @@ static int marvell_nfc_hw_ecc_bch_read_page(struct nand_chip *chip, /* Read the chunk and detect number of bitflips */ marvell_nfc_hw_ecc_bch_read_chunk(chip, chunk, data, data_len, spare, spare_len, page); - ret = marvell_nfc_hw_ecc_correct(chip, &max_bitflips); + ret = marvell_nfc_hw_ecc_check_bitflips(chip, &max_bitflips); if (ret) failure_mask |= BIT(chunk); @@ -1358,10 +1358,9 @@ static int marvell_nfc_hw_ecc_bch_read_page(struct nand_chip *chip, */ /* - * In case there is any subpage read error reported by ->correct(), we - * usually re-read only ECC bytes in raw mode and check if the whole - * page is empty. In this case, it is normal that the ECC check failed - * and we just ignore the error. + * In case there is any subpage read error, we usually re-read only ECC + * bytes in raw mode and check if the whole page is empty. In this case, + * it is normal that the ECC check failed and we just ignore the error. * * However, it has been empirically observed that for some layouts (e.g * 2k page, 8b strength per 512B chunk), the controller tries to correct |