diff options
| -rw-r--r-- | drivers/mtd/nand/ecc.c | 20 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mtd/nand/ecc.c b/drivers/mtd/nand/ecc.c index 541137736fd3..57bc8c5ef08c 100644 --- a/drivers/mtd/nand/ecc.c +++ b/drivers/mtd/nand/ecc.c @@ -585,6 +585,26 @@ void nand_ecc_restore_req(struct nand_ecc_req_tweak_ctx *ctx, } EXPORT_SYMBOL_GPL(nand_ecc_restore_req); +struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand) +{ + unsigned int algo = nand->ecc.user_conf.algo; + + if (algo == NAND_ECC_ALGO_UNKNOWN) + algo = nand->ecc.defaults.algo; + + switch (algo) { + case NAND_ECC_ALGO_HAMMING: + return nand_ecc_sw_hamming_get_engine(); + case NAND_ECC_ALGO_BCH: + return nand_ecc_sw_bch_get_engine(); + default: + break; + } + + return NULL; +} +EXPORT_SYMBOL(nand_ecc_get_sw_engine); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Miquel Raynal <miquel.raynal@bootlin.com>"); MODULE_DESCRIPTION("Generic ECC engine"); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 3616fa27eaa1..f78f61c9a9ee 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -277,6 +277,7 @@ int nand_ecc_prepare_io_req(struct nand_device *nand, 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); +struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand); #if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING) struct nand_ecc_engine *nand_ecc_sw_hamming_get_engine(void); |