Commit da429b96 authored by Miquel Raynal's avatar Miquel Raynal
Browse files

mtd: nand: Let on-die ECC engines be retrieved from the NAND core 



Before making use of the ECC engines, we must retrieve them. Add the
necessary boilerplate.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200930154109.3922-5-miquel.raynal@bootlin.com
parent 945845b5

drivers/mtd/nand/ecc.c

+6 −0
Original line number Diff line number Diff line
@@ -605,6 +605,12 @@ struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand) 
}

EXPORT_SYMBOL(nand_ecc_get_sw_engine);



struct nand_ecc_engine *nand_ecc_get_on_die_hw_engine(struct nand_device *nand)

{

	return nand->ecc.ondie_engine;

}

EXPORT_SYMBOL(nand_ecc_get_on_die_hw_engine);



MODULE_LICENSE("GPL");

MODULE_AUTHOR("Miquel Raynal <miquel.raynal@bootlin.com>");

MODULE_DESCRIPTION("Generic ECC engine");

include/linux/mtd/nand.h

+1 −0
Original line number Diff line number Diff line
@@ -278,6 +278,7 @@ 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);

struct nand_ecc_engine *nand_ecc_get_on_die_hw_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);