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@xxxxxxxxxxx> --- drivers/mtd/nand/raw/marvell_nand.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 2db143a97626..3e448b89aaad 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 -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/