45 	struct nand_bch_control *nbc = chip->ecc.priv;  in nand_bch_calculate_ecc()  local
49 	encode_bch(nbc->bch, buf, chip->ecc.size, code);  in nand_bch_calculate_ecc()
53 		code[i] ^= nbc->eccmask[i];  in nand_bch_calculate_ecc()
71 	struct nand_bch_control *nbc = chip->ecc.priv;  in nand_bch_correct_data()  local
72 	unsigned int *errloc = nbc->errloc;  in nand_bch_correct_data()
75 	count = decode_bch(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc,  in nand_bch_correct_data()
115 	struct nand_bch_control *nbc = NULL;  in nand_bch_init()  local
134 	nbc = kzalloc(sizeof(*nbc), GFP_KERNEL);  in nand_bch_init()
135 	if (!nbc)  in nand_bch_init()
138 	nbc->bch = init_bch(m, t, 0);  in nand_bch_init()
139 	if (!nbc->bch)  in nand_bch_init()
143 	if (nbc->bch->ecc_bytes != eccbytes) {  in nand_bch_init()
145 		       eccbytes, nbc->bch->ecc_bytes);  in nand_bch_init()
161 		layout = &nbc->ecclayout;  in nand_bch_init()
191 	nbc->eccmask = kmalloc(eccbytes, GFP_KERNEL);  in nand_bch_init()
192 	nbc->errloc = kmalloc(t*sizeof(*nbc->errloc), GFP_KERNEL);  in nand_bch_init()
193 	if (!nbc->eccmask || !nbc->errloc)  in nand_bch_init()
203 	memset(nbc->eccmask, 0, eccbytes);  in nand_bch_init()
204 	encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);  in nand_bch_init()
208 		nbc->eccmask[i] ^= 0xff;  in nand_bch_init()
213 	return nbc;  in nand_bch_init()
215 	nand_bch_free(nbc);  in nand_bch_init()
223 void nand_bch_free(struct nand_bch_control *nbc)  in nand_bch_free()  argument
225 	if (nbc) {  in nand_bch_free()
226 		free_bch(nbc->bch);  in nand_bch_free()
227 		kfree(nbc->errloc);  in nand_bch_free()
228 		kfree(nbc->eccmask);  in nand_bch_free()
229 		kfree(nbc);  in nand_bch_free()