3  * using binary BCH codes. It relies on the generic BCH library lib/bch.c.
30 #include <linux/bch.h>
33  * struct nand_bch_control - private NAND BCH control structure
34  * @bch:       BCH control structure
39 	struct bch_control   *bch;  member
58 	encode_bch(nbc->bch, buf, chip->ecc.size, code);  in nand_bch_calculate_ecc()
85 	count = decode_bch(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,  in nand_bch_correct_data()
106  * nand_bch_init - [NAND Interface] Initialize NAND BCH error correction
110  *  a pointer to a new NAND BCH control structure, or NULL upon failure
112  * Initialize NAND BCH error correction. Parameters @eccsize and @eccbytes
113  * are used to compute BCH parameters m (Galois field order) and t (error
148 	nbc->bch = init_bch(m, t, 0);  in nand_bch_init()
149 	if (!nbc->bch)  in nand_bch_init()
153 	if (nbc->bch->ecc_bytes != eccbytes) {  in nand_bch_init()
155 			eccbytes, nbc->bch->ecc_bytes);  in nand_bch_init()
201 	encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);  in nand_bch_init()
218  * nand_bch_free - [NAND Interface] Release NAND BCH ECC resources
219  * @nbc:	NAND BCH control structure
224 		free_bch(nbc->bch);  in nand_bch_free()
234 MODULE_DESCRIPTION("NAND software BCH ECC support");