47 	struct ingenic_ecc *ecc;  member
79 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in qi_lb60_ooblayout_ecc()  local
81 	if (section || !ecc->total)  in qi_lb60_ooblayout_ecc()
84 	oobregion->length = ecc->total;  in qi_lb60_ooblayout_ecc()
94 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in qi_lb60_ooblayout_free()  local
99 	oobregion->length = mtd->oobsize - ecc->total - 12;  in qi_lb60_ooblayout_free()
100 	oobregion->offset = 12 + ecc->total;  in qi_lb60_ooblayout_free()
106 	.ecc = qi_lb60_ooblayout_ecc,
114 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in jz4725b_ooblayout_ecc()  local
116 	if (section || !ecc->total)  in jz4725b_ooblayout_ecc()
119 	oobregion->length = ecc->total;  in jz4725b_ooblayout_ecc()
129 	struct nand_ecc_ctrl *ecc = &chip->ecc;  in jz4725b_ooblayout_free()  local
134 	oobregion->length = mtd->oobsize - ecc->total - 3;  in jz4725b_ooblayout_free()
135 	oobregion->offset = 3 + ecc->total;  in jz4725b_ooblayout_free()
141 	.ecc = jz4725b_ooblayout_ecc,
205 	 * Don't need to generate the ECC when reading, the ECC engine does it  in ingenic_nand_ecc_calculate()
211 	params.size = nand->chip.ecc.size;  in ingenic_nand_ecc_calculate()
212 	params.bytes = nand->chip.ecc.bytes;  in ingenic_nand_ecc_calculate()
213 	params.strength = nand->chip.ecc.strength;  in ingenic_nand_ecc_calculate()
215 	return ingenic_ecc_calculate(nfc->ecc, &params, dat, ecc_code);  in ingenic_nand_ecc_calculate()
225 	params.size = nand->chip.ecc.size;  in ingenic_nand_ecc_correct()
226 	params.bytes = nand->chip.ecc.bytes;  in ingenic_nand_ecc_correct()
227 	params.strength = nand->chip.ecc.strength;  in ingenic_nand_ecc_correct()
229 	return ingenic_ecc_correct(nfc->ecc, &params, dat, read_ecc);  in ingenic_nand_ecc_correct()
238 	if (chip->ecc.strength == 4) {  in ingenic_nand_attach_chip()
239 		/* JZ4740 uses 9 bytes of ECC to correct maximum 4 errors */  in ingenic_nand_attach_chip()
240 		chip->ecc.bytes = 9;  in ingenic_nand_attach_chip()
242 		chip->ecc.bytes = fls((1 + 8) * chip->ecc.size)	*  in ingenic_nand_attach_chip()
243 				  (chip->ecc.strength / 8);  in ingenic_nand_attach_chip()
246 	switch (chip->ecc.mode) {  in ingenic_nand_attach_chip()
248 		if (!nfc->ecc) {  in ingenic_nand_attach_chip()
249 			dev_err(nfc->dev, "HW ECC selected, but ECC controller not found\n");  in ingenic_nand_attach_chip()
253 		chip->ecc.hwctl = ingenic_nand_ecc_hwctl;  in ingenic_nand_attach_chip()
254 		chip->ecc.calculate = ingenic_nand_ecc_calculate;  in ingenic_nand_attach_chip()
255 		chip->ecc.correct = ingenic_nand_ecc_correct;  in ingenic_nand_attach_chip()
259 			 (nfc->ecc) ? "hardware ECC" : "software ECC",  in ingenic_nand_attach_chip()
260 			 chip->ecc.strength, chip->ecc.size, chip->ecc.bytes);  in ingenic_nand_attach_chip()
263 		dev_info(nfc->dev, "not using ECC\n");  in ingenic_nand_attach_chip()
266 		dev_err(nfc->dev, "ECC mode %d not supported\n",  in ingenic_nand_attach_chip()
267 			chip->ecc.mode);  in ingenic_nand_attach_chip()
271 	/* The NAND core will generate the ECC layout for SW ECC */  in ingenic_nand_attach_chip()
272 	if (chip->ecc.mode != NAND_ECC_HW)  in ingenic_nand_attach_chip()
275 	/* Generate ECC layout. ECC codes are right aligned in the OOB area. */  in ingenic_nand_attach_chip()
276 	eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes;  in ingenic_nand_attach_chip()
280 			"invalid ECC config: required %d ECC bytes, but only %d are available",  in ingenic_nand_attach_chip()
287 	 * ECC bytes in the OOB, so move the BBT markers outside the OOB area.  in ingenic_nand_attach_chip()
368 	chip->ecc.mode = NAND_ECC_HW;  in ingenic_nand_init_chip()
451 	 * Check for ECC HW before we call nand_scan_ident, to prevent us from  in ingenic_nand_probe()
452 	 * having to call it again if the ECC driver returns -EPROBE_DEFER.  in ingenic_nand_probe()
454 	nfc->ecc = of_ingenic_ecc_get(dev->of_node);  in ingenic_nand_probe()
455 	if (IS_ERR(nfc->ecc))  in ingenic_nand_probe()
456 		return PTR_ERR(nfc->ecc);  in ingenic_nand_probe()
466 		if (nfc->ecc)  in ingenic_nand_probe()
467 			ingenic_ecc_release(nfc->ecc);  in ingenic_nand_probe()
479 	if (nfc->ecc)  in ingenic_nand_remove()
480 		ingenic_ecc_release(nfc->ecc);  in ingenic_nand_remove()