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mtd: nand: ecc-hamming: Create the software Hamming engine

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Let's continue introducing the generic ECC engine abstraction in the
NAND subsystem by instantiating a second ECC engine: software
Hamming.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-20-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2020-09-30 01:01:23 +02:00
parent 5180a62c12
commit 35fe1b98a0
4 changed files with 223 additions and 21 deletions
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9
include/linux/mtd/nand.h
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@ -278,6 +278,15 @@ int nand_ecc_finish_io_req(struct nand_device *nand,
struct nand_page_io_req *req);
bool nand_ecc_is_strong_enough(struct nand_device *nand);
#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING)
struct nand_ecc_engine *nand_ecc_sw_hamming_get_engine(void);
#else
static inline struct nand_ecc_engine *nand_ecc_sw_hamming_get_engine(void)
{
return NULL;
}
#endif /* CONFIG_MTD_NAND_ECC_SW_HAMMING */
#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_BCH)
struct nand_ecc_engine *nand_ecc_sw_bch_get_engine(void);
#else