Re: [PATCH v6 06/18] mtd: rawnand: Rename the ECC algorithm enumeration items

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On Thu, 28 May 2020 13:31:01 +0200
Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote:

> NAND_ECC_ is not a meaningful prefix, use NAND_ECC_ALGO_ instead.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>

> ---
>  drivers/mtd/nand/raw/ams-delta.c              |  2 +-
>  drivers/mtd/nand/raw/arasan-nand-controller.c |  2 +-
>  drivers/mtd/nand/raw/atmel/nand-controller.c  |  2 +-
>  drivers/mtd/nand/raw/au1550nd.c               |  2 +-
>  drivers/mtd/nand/raw/brcmnand/brcmnand.c      | 12 ++++-----
>  drivers/mtd/nand/raw/davinci_nand.c           |  8 +++---
>  drivers/mtd/nand/raw/fsl_elbc_nand.c          |  2 +-
>  drivers/mtd/nand/raw/fsl_ifc_nand.c           |  2 +-
>  drivers/mtd/nand/raw/fsl_upm.c                |  2 +-
>  drivers/mtd/nand/raw/fsmc_nand.c              |  2 +-
>  drivers/mtd/nand/raw/gpio.c                   |  2 +-
>  drivers/mtd/nand/raw/marvell_nand.c           | 10 +++----
>  drivers/mtd/nand/raw/mpc5121_nfc.c            |  2 +-
>  drivers/mtd/nand/raw/mxc_nand.c               |  2 +-
>  drivers/mtd/nand/raw/nand_base.c              | 26 +++++++++----------
>  drivers/mtd/nand/raw/nand_micron.c            |  2 +-
>  drivers/mtd/nand/raw/nandsim.c                |  4 +--
>  drivers/mtd/nand/raw/omap2.c                  |  2 +-
>  drivers/mtd/nand/raw/orion_nand.c             |  2 +-
>  drivers/mtd/nand/raw/pasemi_nand.c            |  2 +-
>  drivers/mtd/nand/raw/plat_nand.c              |  2 +-
>  drivers/mtd/nand/raw/s3c2410.c                |  4 +--
>  drivers/mtd/nand/raw/sh_flctl.c               |  2 +-
>  drivers/mtd/nand/raw/socrates_nand.c          |  2 +-
>  drivers/mtd/nand/raw/tango_nand.c             |  2 +-
>  drivers/mtd/nand/raw/tegra_nand.c             | 20 +++++++-------
>  drivers/mtd/nand/raw/xway_nand.c              |  2 +-
>  include/linux/mtd/rawnand.h                   | 16 ++++++------
>  28 files changed, 70 insertions(+), 70 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
> index 3711e7a0436c..72a44b2411c1 100644
> --- a/drivers/mtd/nand/raw/ams-delta.c
> +++ b/drivers/mtd/nand/raw/ams-delta.c
> @@ -261,7 +261,7 @@ static int gpio_nand_probe(struct platform_device *pdev)
>  	}
>  
>  	this->ecc.mode = NAND_ECC_SOFT;
> -	this->ecc.algo = NAND_ECC_HAMMING;
> +	this->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	platform_set_drvdata(pdev, priv);
>  
> diff --git a/drivers/mtd/nand/raw/arasan-nand-controller.c b/drivers/mtd/nand/raw/arasan-nand-controller.c
> index 7141dcccba3c..076736351bc6 100644
> --- a/drivers/mtd/nand/raw/arasan-nand-controller.c
> +++ b/drivers/mtd/nand/raw/arasan-nand-controller.c
> @@ -983,7 +983,7 @@ static int anfc_init_hw_ecc_controller(struct arasan_nfc *nfc,
>  	mtd_set_ooblayout(mtd, &nand_ooblayout_lp_ops);
>  
>  	ecc->steps = mtd->writesize / ecc->size;
> -	ecc->algo = NAND_ECC_BCH;
> +	ecc->algo = NAND_ECC_ALGO_BCH;
>  	anand->ecc_bits = bch_gf_mag * ecc->strength;
>  	ecc->bytes = DIV_ROUND_UP(anand->ecc_bits, 8);
>  	anand->ecc_total = DIV_ROUND_UP(anand->ecc_bits * ecc->steps, 8);
> diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
> index 46a3724a788e..d9839461e460 100644
> --- a/drivers/mtd/nand/raw/atmel/nand-controller.c
> +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
> @@ -1099,7 +1099,7 @@ static int atmel_nand_pmecc_init(struct nand_chip *chip)
>  	if (IS_ERR(nand->pmecc))
>  		return PTR_ERR(nand->pmecc);
>  
> -	chip->ecc.algo = NAND_ECC_BCH;
> +	chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  	chip->ecc.size = req.ecc.sectorsize;
>  	chip->ecc.bytes = req.ecc.bytes / req.ecc.nsectors;
>  	chip->ecc.strength = req.ecc.strength;
> diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c
> index f7b4f421b2b0..e9140bf5cbac 100644
> --- a/drivers/mtd/nand/raw/au1550nd.c
> +++ b/drivers/mtd/nand/raw/au1550nd.c
> @@ -295,7 +295,7 @@ static int au1550nd_probe(struct platform_device *pdev)
>  	ctx->controller.ops = &au1550nd_ops;
>  	this->controller = &ctx->controller;
>  	this->ecc.mode = NAND_ECC_SOFT;
> -	this->ecc.algo = NAND_ECC_HAMMING;
> +	this->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	if (pd->devwidth)
>  		this->options |= NAND_BUSWIDTH_16;
> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> index 4a0a7053fb7a..2a9f2ff89fe7 100644
> --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> @@ -2545,17 +2545,17 @@ static int brcmnand_setup_dev(struct brcmnand_host *host)
>  		return -EINVAL;
>  	}
>  
> -	if (chip->ecc.algo == NAND_ECC_UNKNOWN) {
> +	if (chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN) {
>  		if (chip->ecc.strength == 1 && chip->ecc.size == 512)
>  			/* Default to Hamming for 1-bit ECC, if unspecified */
> -			chip->ecc.algo = NAND_ECC_HAMMING;
> +			chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		else
>  			/* Otherwise, BCH */
> -			chip->ecc.algo = NAND_ECC_BCH;
> +			chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  	}
>  
> -	if (chip->ecc.algo == NAND_ECC_HAMMING && (chip->ecc.strength != 1 ||
> -						   chip->ecc.size != 512)) {
> +	if (chip->ecc.algo == NAND_ECC_ALGO_HAMMING &&
> +	    (chip->ecc.strength != 1 || chip->ecc.size != 512)) {
>  		dev_err(ctrl->dev, "invalid Hamming params: %d bits per %d bytes\n",
>  			chip->ecc.strength, chip->ecc.size);
>  		return -EINVAL;
> @@ -2574,7 +2574,7 @@ static int brcmnand_setup_dev(struct brcmnand_host *host)
>  
>  	switch (chip->ecc.size) {
>  	case 512:
> -		if (chip->ecc.algo == NAND_ECC_HAMMING)
> +		if (chip->ecc.algo == NAND_ECC_ALGO_HAMMING)
>  			cfg->ecc_level = 15;
>  		else
>  			cfg->ecc_level = chip->ecc.strength;
> diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c
> index 2e5d6c113b56..3640c7e45e15 100644
> --- a/drivers/mtd/nand/raw/davinci_nand.c
> +++ b/drivers/mtd/nand/raw/davinci_nand.c
> @@ -593,11 +593,11 @@ static int davinci_nand_attach_chip(struct nand_chip *chip)
>  		pdata->ecc_bits = 0;
>  		/*
>  		 * This driver expects Hamming based ECC when ecc_mode is set
> -		 * to NAND_ECC_SOFT. Force ecc.algo to NAND_ECC_HAMMING to
> +		 * to NAND_ECC_SOFT. Force ecc.algo to NAND_ECC_ALGO_HAMMING to
>  		 * avoid adding an extra ->ecc_algo field to
>  		 * davinci_nand_pdata.
>  		 */
> -		info->chip.ecc.algo = NAND_ECC_HAMMING;
> +		info->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		break;
>  	case NAND_ECC_HW:
>  		if (pdata->ecc_bits == 4) {
> @@ -629,7 +629,7 @@ static int davinci_nand_attach_chip(struct nand_chip *chip)
>  			info->chip.ecc.hwctl = nand_davinci_hwctl_4bit;
>  			info->chip.ecc.bytes = 10;
>  			info->chip.ecc.options = NAND_ECC_GENERIC_ERASED_CHECK;
> -			info->chip.ecc.algo = NAND_ECC_BCH;
> +			info->chip.ecc.algo = NAND_ECC_ALGO_BCH;
>  
>  			/*
>  			 * Update ECC layout if needed ... for 1-bit HW ECC, the
> @@ -656,7 +656,7 @@ static int davinci_nand_attach_chip(struct nand_chip *chip)
>  			info->chip.ecc.correct = nand_davinci_correct_1bit;
>  			info->chip.ecc.hwctl = nand_davinci_hwctl_1bit;
>  			info->chip.ecc.bytes = 3;
> -			info->chip.ecc.algo = NAND_ECC_HAMMING;
> +			info->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		}
>  		info->chip.ecc.size = 512;
>  		info->chip.ecc.strength = pdata->ecc_bits;
> diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c
> index 088692b2e27a..da89389faaae 100644
> --- a/drivers/mtd/nand/raw/fsl_elbc_nand.c
> +++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c
> @@ -748,7 +748,7 @@ static int fsl_elbc_attach_chip(struct nand_chip *chip)
>  		} else {
>  			/* otherwise fall back to default software ECC */
>  			chip->ecc.mode = NAND_ECC_SOFT;
> -			chip->ecc.algo = NAND_ECC_HAMMING;
> +			chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		}
>  		break;
>  
> diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c
> index 00ae7a910b03..b2ae759dd14e 100644
> --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c
> +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c
> @@ -926,7 +926,7 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
>  		}
>  	} else {
>  		chip->ecc.mode = NAND_ECC_SOFT;
> -		chip->ecc.algo = NAND_ECC_HAMMING;
> +		chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  	}
>  
>  	ret = fsl_ifc_sram_init(priv);
> diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c
> index 627deb26db51..49592b7e03a3 100644
> --- a/drivers/mtd/nand/raw/fsl_upm.c
> +++ b/drivers/mtd/nand/raw/fsl_upm.c
> @@ -164,7 +164,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
>  	fun->chip.legacy.read_buf = fun_read_buf;
>  	fun->chip.legacy.write_buf = fun_write_buf;
>  	fun->chip.ecc.mode = NAND_ECC_SOFT;
> -	fun->chip.ecc.algo = NAND_ECC_HAMMING;
> +	fun->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;
>  	if (fun->mchip_count > 1)
>  		fun->chip.legacy.select_chip = fun_select_chip;
>  
> diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c
> index 3909752b14c5..ced570987e85 100644
> --- a/drivers/mtd/nand/raw/fsmc_nand.c
> +++ b/drivers/mtd/nand/raw/fsmc_nand.c
> @@ -911,7 +911,7 @@ static int fsmc_nand_attach_chip(struct nand_chip *nand)
>  		break;
>  
>  	case NAND_ECC_SOFT:
> -		if (nand->ecc.algo == NAND_ECC_BCH) {
> +		if (nand->ecc.algo == NAND_ECC_ALGO_BCH) {
>  			dev_info(host->dev,
>  				 "Using 4-bit SW BCH ECC scheme\n");
>  			break;
> diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c
> index 938077e5c6a9..667807c7100b 100644
> --- a/drivers/mtd/nand/raw/gpio.c
> +++ b/drivers/mtd/nand/raw/gpio.c
> @@ -276,7 +276,7 @@ static int gpio_nand_probe(struct platform_device *pdev)
>  	nand_set_flash_node(chip, pdev->dev.of_node);
>  	chip->legacy.IO_ADDR_W	= chip->legacy.IO_ADDR_R;
>  	chip->ecc.mode		= NAND_ECC_SOFT;
> -	chip->ecc.algo		= NAND_ECC_HAMMING;
> +	chip->ecc.algo		= NAND_ECC_ALGO_HAMMING;
>  	chip->options		= gpiomtd->plat.options;
>  	chip->legacy.chip_delay	= gpiomtd->plat.chip_delay;
>  	chip->legacy.cmd_ctrl	= gpio_nand_cmd_ctrl;
> diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c
> index 260a0430313e..3969cca7d925 100644
> --- a/drivers/mtd/nand/raw/marvell_nand.c
> +++ b/drivers/mtd/nand/raw/marvell_nand.c
> @@ -780,7 +780,7 @@ static void marvell_nfc_enable_hw_ecc(struct nand_chip *chip)
>  		 * When enabling BCH, set threshold to 0 to always know the
>  		 * number of corrected bitflips.
>  		 */
> -		if (chip->ecc.algo == NAND_ECC_BCH)
> +		if (chip->ecc.algo == NAND_ECC_ALGO_BCH)
>  			writel_relaxed(NDECCCTRL_BCH_EN, nfc->regs + NDECCCTRL);
>  	}
>  }
> @@ -792,7 +792,7 @@ static void marvell_nfc_disable_hw_ecc(struct nand_chip *chip)
>  
>  	if (ndcr & NDCR_ECC_EN) {
>  		writel_relaxed(ndcr & ~NDCR_ECC_EN, nfc->regs + NDCR);
> -		if (chip->ecc.algo == NAND_ECC_BCH)
> +		if (chip->ecc.algo == NAND_ECC_ALGO_BCH)
>  			writel_relaxed(0, nfc->regs + NDECCCTRL);
>  	}
>  }
> @@ -966,7 +966,7 @@ static int marvell_nfc_hw_ecc_check_bitflips(struct nand_chip *chip,
>  	if (ndsr & NDSR_CORERR) {
>  		writel_relaxed(ndsr, nfc->regs + NDSR);
>  
> -		if (chip->ecc.algo == NAND_ECC_BCH)
> +		if (chip->ecc.algo == NAND_ECC_ALGO_BCH)
>  			bf = NDSR_ERRCNT(ndsr);
>  		else
>  			bf = 1;
> @@ -2215,7 +2215,7 @@ static int marvell_nand_hw_ecc_controller_init(struct mtd_info *mtd,
>  	ecc->size = l->data_bytes;
>  
>  	if (ecc->strength == 1) {
> -		chip->ecc.algo = NAND_ECC_HAMMING;
> +		chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		ecc->read_page_raw = marvell_nfc_hw_ecc_hmg_read_page_raw;
>  		ecc->read_page = marvell_nfc_hw_ecc_hmg_read_page;
>  		ecc->read_oob_raw = marvell_nfc_hw_ecc_hmg_read_oob_raw;
> @@ -2225,7 +2225,7 @@ static int marvell_nand_hw_ecc_controller_init(struct mtd_info *mtd,
>  		ecc->write_oob_raw = marvell_nfc_hw_ecc_hmg_write_oob_raw;
>  		ecc->write_oob = ecc->write_oob_raw;
>  	} else {
> -		chip->ecc.algo = NAND_ECC_BCH;
> +		chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  		ecc->strength = 16;
>  		ecc->read_page_raw = marvell_nfc_hw_ecc_bch_read_page_raw;
>  		ecc->read_page = marvell_nfc_hw_ecc_bch_read_page;
> diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c
> index 18ecb096a32d..a67eded226db 100644
> --- a/drivers/mtd/nand/raw/mpc5121_nfc.c
> +++ b/drivers/mtd/nand/raw/mpc5121_nfc.c
> @@ -689,7 +689,7 @@ static int mpc5121_nfc_probe(struct platform_device *op)
>  	chip->legacy.get_features = nand_get_set_features_notsupp;
>  	chip->bbt_options = NAND_BBT_USE_FLASH;
>  	chip->ecc.mode = NAND_ECC_SOFT;
> -	chip->ecc.algo = NAND_ECC_HAMMING;
> +	chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	/* Support external chip-select logic on ADS5121 board */
>  	if (of_machine_is_compatible("fsl,mpc5121ads")) {
> diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
> index 09dacb83cb5a..c2e9759cfba8 100644
> --- a/drivers/mtd/nand/raw/mxc_nand.c
> +++ b/drivers/mtd/nand/raw/mxc_nand.c
> @@ -1846,7 +1846,7 @@ static int mxcnd_probe(struct platform_device *pdev)
>  		this->ecc.mode = NAND_ECC_HW;
>  	} else {
>  		this->ecc.mode = NAND_ECC_SOFT;
> -		this->ecc.algo = NAND_ECC_HAMMING;
> +		this->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  	}
>  
>  	/* NAND bus width determines access functions used by upper layer */
> diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
> index fd0bfe9bf7ae..4cf53b9dddee 100644
> --- a/drivers/mtd/nand/raw/nand_base.c
> +++ b/drivers/mtd/nand/raw/nand_base.c
> @@ -5076,9 +5076,9 @@ enum nand_ecc_placement of_get_nand_ecc_placement(struct device_node *np)
>  }
>  
>  static const char * const nand_ecc_algos[] = {
> -	[NAND_ECC_HAMMING]	= "hamming",
> -	[NAND_ECC_BCH]		= "bch",
> -	[NAND_ECC_RS]		= "rs",
> +	[NAND_ECC_ALGO_HAMMING]	= "hamming",
> +	[NAND_ECC_ALGO_BCH]	= "bch",
> +	[NAND_ECC_ALGO_RS]	= "rs",
>  };
>  
>  static enum nand_ecc_algo of_get_nand_ecc_algo(struct device_node *np)
> @@ -5089,7 +5089,7 @@ static enum nand_ecc_algo of_get_nand_ecc_algo(struct device_node *np)
>  
>  	err = of_property_read_string(np, "nand-ecc-algo", &pm);
>  	if (!err) {
> -		for (ecc_algo = NAND_ECC_HAMMING;
> +		for (ecc_algo = NAND_ECC_ALGO_HAMMING;
>  		     ecc_algo < ARRAY_SIZE(nand_ecc_algos);
>  		     ecc_algo++) {
>  			if (!strcasecmp(pm, nand_ecc_algos[ecc_algo]))
> @@ -5104,12 +5104,12 @@ static enum nand_ecc_algo of_get_nand_ecc_algo(struct device_node *np)
>  	err = of_property_read_string(np, "nand-ecc-mode", &pm);
>  	if (!err) {
>  		if (!strcasecmp(pm, "soft"))
> -			return NAND_ECC_HAMMING;
> +			return NAND_ECC_ALGO_HAMMING;
>  		else if (!strcasecmp(pm, "soft_bch"))
> -			return NAND_ECC_BCH;
> +			return NAND_ECC_ALGO_BCH;
>  	}
>  
> -	return NAND_ECC_UNKNOWN;
> +	return NAND_ECC_ALGO_UNKNOWN;
>  }
>  
>  static int of_get_nand_ecc_step_size(struct device_node *np)
> @@ -5178,7 +5178,7 @@ static int nand_dt_init(struct nand_chip *chip)
>  	if (ecc_mode >= 0)
>  		chip->ecc.mode = ecc_mode;
>  
> -	if (ecc_algo != NAND_ECC_UNKNOWN)
> +	if (ecc_algo != NAND_ECC_ALGO_UNKNOWN)
>  		chip->ecc.algo = ecc_algo;
>  
>  	if (ecc_strength >= 0)
> @@ -5302,7 +5302,7 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip)
>  		return -EINVAL;
>  
>  	switch (ecc->algo) {
> -	case NAND_ECC_HAMMING:
> +	case NAND_ECC_ALGO_HAMMING:
>  		ecc->calculate = nand_calculate_ecc;
>  		ecc->correct = nand_correct_data;
>  		ecc->read_page = nand_read_page_swecc;
> @@ -5323,7 +5323,7 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip)
>  			ecc->options |= NAND_ECC_SOFT_HAMMING_SM_ORDER;
>  
>  		return 0;
> -	case NAND_ECC_BCH:
> +	case NAND_ECC_ALGO_BCH:
>  		if (!mtd_nand_has_bch()) {
>  			WARN(1, "CONFIG_MTD_NAND_ECC_SW_BCH not enabled\n");
>  			return -EINVAL;
> @@ -5763,7 +5763,7 @@ static int nand_scan_tail(struct nand_chip *chip)
>  	 * If no default placement scheme is given, select an appropriate one.
>  	 */
>  	if (!mtd->ooblayout &&
> -	    !(ecc->mode == NAND_ECC_SOFT && ecc->algo == NAND_ECC_BCH)) {
> +	    !(ecc->mode == NAND_ECC_SOFT && ecc->algo == NAND_ECC_ALGO_BCH)) {
>  		switch (mtd->oobsize) {
>  		case 8:
>  		case 16:
> @@ -5858,7 +5858,7 @@ static int nand_scan_tail(struct nand_chip *chip)
>  			pr_warn("%d byte HW ECC not possible on %d byte page size, fallback to SW ECC\n",
>  				ecc->size, mtd->writesize);
>  			ecc->mode = NAND_ECC_SOFT;
> -			ecc->algo = NAND_ECC_HAMMING;
> +			ecc->algo = NAND_ECC_ALGO_HAMMING;
>  			break;
>  
>  		default:
> @@ -6124,7 +6124,7 @@ EXPORT_SYMBOL(nand_scan_with_ids);
>  void nand_cleanup(struct nand_chip *chip)
>  {
>  	if (chip->ecc.mode == NAND_ECC_SOFT &&
> -	    chip->ecc.algo == NAND_ECC_BCH)
> +	    chip->ecc.algo == NAND_ECC_ALGO_BCH)
>  		nand_bch_free((struct nand_bch_control *)chip->ecc.priv);
>  
>  	nanddev_cleanup(&chip->base);
> diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c
> index 3589b4fce0d4..a43b4d17bc69 100644
> --- a/drivers/mtd/nand/raw/nand_micron.c
> +++ b/drivers/mtd/nand/raw/nand_micron.c
> @@ -543,7 +543,7 @@ static int micron_nand_init(struct nand_chip *chip)
>  		chip->ecc.bytes = chip->base.eccreq.strength * 2;
>  		chip->ecc.size = 512;
>  		chip->ecc.strength = chip->base.eccreq.strength;
> -		chip->ecc.algo = NAND_ECC_BCH;
> +		chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  		chip->ecc.read_page = micron_nand_read_page_on_die_ecc;
>  		chip->ecc.write_page = micron_nand_write_page_on_die_ecc;
>  
> diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c
> index 0a5cb77966cc..9bcf1b9d4987 100644
> --- a/drivers/mtd/nand/raw/nandsim.c
> +++ b/drivers/mtd/nand/raw/nandsim.c
> @@ -2235,7 +2235,7 @@ static int ns_attach_chip(struct nand_chip *chip)
>  	}
>  
>  	chip->ecc.mode = NAND_ECC_SOFT;
> -	chip->ecc.algo = NAND_ECC_BCH;
> +	chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  	chip->ecc.size = 512;
>  	chip->ecc.strength = bch;
>  	chip->ecc.bytes = eccbytes;
> @@ -2275,7 +2275,7 @@ static int __init ns_init_module(void)
>  	nand_set_controller_data(chip, (void *)ns);
>  
>  	chip->ecc.mode   = NAND_ECC_SOFT;
> -	chip->ecc.algo   = NAND_ECC_HAMMING;
> +	chip->ecc.algo   = NAND_ECC_ALGO_HAMMING;
>  	/* The NAND_SKIP_BBTSCAN option is necessary for 'overridesize' */
>  	/* and 'badblocks' parameters to work */
>  	chip->options   |= NAND_SKIP_BBTSCAN;
> diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
> index eb7fcfd9276b..967ddbda1c48 100644
> --- a/drivers/mtd/nand/raw/omap2.c
> +++ b/drivers/mtd/nand/raw/omap2.c
> @@ -2011,7 +2011,7 @@ static int omap_nand_attach_chip(struct nand_chip *chip)
>  	 */
>  	if (info->ecc_opt == OMAP_ECC_HAM1_CODE_SW) {
>  		chip->ecc.mode = NAND_ECC_SOFT;
> -		chip->ecc.algo = NAND_ECC_HAMMING;
> +		chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		return 0;
>  	}
>  
> diff --git a/drivers/mtd/nand/raw/orion_nand.c b/drivers/mtd/nand/raw/orion_nand.c
> index 880b54ca1b41..7a5cfa3d883f 100644
> --- a/drivers/mtd/nand/raw/orion_nand.c
> +++ b/drivers/mtd/nand/raw/orion_nand.c
> @@ -140,7 +140,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
>  	nc->legacy.cmd_ctrl = orion_nand_cmd_ctrl;
>  	nc->legacy.read_buf = orion_nand_read_buf;
>  	nc->ecc.mode = NAND_ECC_SOFT;
> -	nc->ecc.algo = NAND_ECC_HAMMING;
> +	nc->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	if (board->chip_delay)
>  		nc->legacy.chip_delay = board->chip_delay;
> diff --git a/drivers/mtd/nand/raw/pasemi_nand.c b/drivers/mtd/nand/raw/pasemi_nand.c
> index d8eca8c3fdcd..3eddc284614d 100644
> --- a/drivers/mtd/nand/raw/pasemi_nand.c
> +++ b/drivers/mtd/nand/raw/pasemi_nand.c
> @@ -133,7 +133,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
>  	chip->legacy.write_buf = pasemi_write_buf;
>  	chip->legacy.chip_delay = 0;
>  	chip->ecc.mode = NAND_ECC_SOFT;
> -	chip->ecc.algo = NAND_ECC_HAMMING;
> +	chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	/* Enable the following for a flash based bad block table */
>  	chip->bbt_options = NAND_BBT_USE_FLASH;
> diff --git a/drivers/mtd/nand/raw/plat_nand.c b/drivers/mtd/nand/raw/plat_nand.c
> index 556182f26057..dbc089c8872f 100644
> --- a/drivers/mtd/nand/raw/plat_nand.c
> +++ b/drivers/mtd/nand/raw/plat_nand.c
> @@ -67,7 +67,7 @@ static int plat_nand_probe(struct platform_device *pdev)
>  	data->chip.bbt_options |= pdata->chip.bbt_options;
>  
>  	data->chip.ecc.mode = NAND_ECC_SOFT;
> -	data->chip.ecc.algo = NAND_ECC_HAMMING;
> +	data->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	platform_set_drvdata(pdev, data);
>  
> diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c
> index f86dff311464..dfe5a0f07385 100644
> --- a/drivers/mtd/nand/raw/s3c2410.c
> +++ b/drivers/mtd/nand/raw/s3c2410.c
> @@ -938,11 +938,11 @@ static int s3c2410_nand_attach_chip(struct nand_chip *chip)
>  	case NAND_ECC_SOFT:
>  		/*
>  		 * This driver expects Hamming based ECC when ecc_mode is set
> -		 * to NAND_ECC_SOFT. Force ecc.algo to NAND_ECC_HAMMING to
> +		 * to NAND_ECC_SOFT. Force ecc.algo to NAND_ECC_ALGO_HAMMING to
>  		 * avoid adding an extra ecc_algo field to
>  		 * s3c2410_platform_nand.
>  		 */
> -		chip->ecc.algo = NAND_ECC_HAMMING;
> +		chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  		dev_info(info->device, "soft ECC\n");
>  		break;
>  
> diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c
> index a661b8bb2dd5..9dbd6fdbe264 100644
> --- a/drivers/mtd/nand/raw/sh_flctl.c
> +++ b/drivers/mtd/nand/raw/sh_flctl.c
> @@ -1045,7 +1045,7 @@ static int flctl_chip_attach_chip(struct nand_chip *chip)
>  		flctl->flcmncr_base |= _4ECCEN;
>  	} else {
>  		chip->ecc.mode = NAND_ECC_SOFT;
> -		chip->ecc.algo = NAND_ECC_HAMMING;
> +		chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  	}
>  
>  	return 0;
> diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c
> index 243b34cfbc1b..72a3a7f98282 100644
> --- a/drivers/mtd/nand/raw/socrates_nand.c
> +++ b/drivers/mtd/nand/raw/socrates_nand.c
> @@ -154,7 +154,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
>  	nand_chip->legacy.dev_ready = socrates_nand_device_ready;
>  
>  	nand_chip->ecc.mode = NAND_ECC_SOFT;	/* enable ECC */
> -	nand_chip->ecc.algo = NAND_ECC_HAMMING;
> +	nand_chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	/* TODO: I have no idea what real delay is. */
>  	nand_chip->legacy.chip_delay = 20;	/* 20us command delay time */
> diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c
> index 246871e01027..2154b6f860dd 100644
> --- a/drivers/mtd/nand/raw/tango_nand.c
> +++ b/drivers/mtd/nand/raw/tango_nand.c
> @@ -512,7 +512,7 @@ static int tango_attach_chip(struct nand_chip *chip)
>  	struct nand_ecc_ctrl *ecc = &chip->ecc;
>  
>  	ecc->mode = NAND_ECC_HW;
> -	ecc->algo = NAND_ECC_BCH;
> +	ecc->algo = NAND_ECC_ALGO_BCH;
>  	ecc->bytes = DIV_ROUND_UP(ecc->strength * FIELD_ORDER, BITS_PER_BYTE);
>  
>  	ecc->read_page_raw = tango_read_page_raw;
> diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
> index f9d046b2cd3b..e2e13effc8a6 100644
> --- a/drivers/mtd/nand/raw/tegra_nand.c
> +++ b/drivers/mtd/nand/raw/tegra_nand.c
> @@ -479,7 +479,7 @@ static void tegra_nand_hw_ecc(struct tegra_nand_controller *ctrl,
>  {
>  	struct tegra_nand_chip *nand = to_tegra_chip(chip);
>  
> -	if (chip->ecc.algo == NAND_ECC_BCH && enable)
> +	if (chip->ecc.algo == NAND_ECC_ALGO_BCH && enable)
>  		writel_relaxed(nand->bch_config, ctrl->regs + BCH_CONFIG);
>  	else
>  		writel_relaxed(0, ctrl->regs + BCH_CONFIG);
> @@ -877,7 +877,7 @@ static int tegra_nand_select_strength(struct nand_chip *chip, int oobsize)
>  	int strength_len, bits_per_step;
>  
>  	switch (chip->ecc.algo) {
> -	case NAND_ECC_RS:
> +	case NAND_ECC_ALGO_RS:
>  		bits_per_step = BITS_PER_STEP_RS;
>  		if (chip->options & NAND_IS_BOOT_MEDIUM) {
>  			strength = rs_strength_bootable;
> @@ -887,7 +887,7 @@ static int tegra_nand_select_strength(struct nand_chip *chip, int oobsize)
>  			strength_len = ARRAY_SIZE(rs_strength);
>  		}
>  		break;
> -	case NAND_ECC_BCH:
> +	case NAND_ECC_ALGO_BCH:
>  		bits_per_step = BITS_PER_STEP_BCH;
>  		if (chip->options & NAND_IS_BOOT_MEDIUM) {
>  			strength = bch_strength_bootable;
> @@ -935,14 +935,14 @@ static int tegra_nand_attach_chip(struct nand_chip *chip)
>  	if (chip->options & NAND_BUSWIDTH_16)
>  		nand->config |= CONFIG_BUS_WIDTH_16;
>  
> -	if (chip->ecc.algo == NAND_ECC_UNKNOWN) {
> +	if (chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN) {
>  		if (mtd->writesize < 2048)
> -			chip->ecc.algo = NAND_ECC_RS;
> +			chip->ecc.algo = NAND_ECC_ALGO_RS;
>  		else
> -			chip->ecc.algo = NAND_ECC_BCH;
> +			chip->ecc.algo = NAND_ECC_ALGO_BCH;
>  	}
>  
> -	if (chip->ecc.algo == NAND_ECC_BCH && mtd->writesize < 2048) {
> +	if (chip->ecc.algo == NAND_ECC_ALGO_BCH && mtd->writesize < 2048) {
>  		dev_err(ctrl->dev, "BCH supports 2K or 4K page size only\n");
>  		return -EINVAL;
>  	}
> @@ -963,7 +963,7 @@ static int tegra_nand_attach_chip(struct nand_chip *chip)
>  			   CONFIG_SKIP_SPARE_SIZE_4;
>  
>  	switch (chip->ecc.algo) {
> -	case NAND_ECC_RS:
> +	case NAND_ECC_ALGO_RS:
>  		bits_per_step = BITS_PER_STEP_RS * chip->ecc.strength;
>  		mtd_set_ooblayout(mtd, &tegra_nand_oob_rs_ops);
>  		nand->config_ecc |= CONFIG_HW_ECC | CONFIG_ECC_SEL |
> @@ -984,7 +984,7 @@ static int tegra_nand_attach_chip(struct nand_chip *chip)
>  			return -EINVAL;
>  		}
>  		break;
> -	case NAND_ECC_BCH:
> +	case NAND_ECC_ALGO_BCH:
>  		bits_per_step = BITS_PER_STEP_BCH * chip->ecc.strength;
>  		mtd_set_ooblayout(mtd, &tegra_nand_oob_bch_ops);
>  		nand->bch_config = BCH_ENABLE;
> @@ -1013,7 +1013,7 @@ static int tegra_nand_attach_chip(struct nand_chip *chip)
>  	}
>  
>  	dev_info(ctrl->dev, "Using %s with strength %d per 512 byte step\n",
> -		 chip->ecc.algo == NAND_ECC_BCH ? "BCH" : "RS",
> +		 chip->ecc.algo == NAND_ECC_ALGO_BCH ? "BCH" : "RS",
>  		 chip->ecc.strength);
>  
>  	chip->ecc.bytes = DIV_ROUND_UP(bits_per_step, BITS_PER_BYTE);
> diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c
> index 94bfba994326..909072e82a68 100644
> --- a/drivers/mtd/nand/raw/xway_nand.c
> +++ b/drivers/mtd/nand/raw/xway_nand.c
> @@ -181,7 +181,7 @@ static int xway_nand_probe(struct platform_device *pdev)
>  	data->chip.legacy.chip_delay = 30;
>  
>  	data->chip.ecc.mode = NAND_ECC_SOFT;
> -	data->chip.ecc.algo = NAND_ECC_HAMMING;
> +	data->chip.ecc.algo = NAND_ECC_ALGO_HAMMING;
>  
>  	platform_set_drvdata(pdev, data);
>  	nand_set_controller_data(&data->chip, data);
> diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
> index 6699ec7f4d40..8d040312c301 100644
> --- a/include/linux/mtd/rawnand.h
> +++ b/include/linux/mtd/rawnand.h
> @@ -108,16 +108,16 @@ enum nand_ecc_placement {
>  
>  /**
>   * enum nand_ecc_algo - NAND ECC algorithm
> - * @NAND_ECC_UNKNOWN: Unknown algorithm
> - * @NAND_ECC_HAMMING: Hamming algorithm
> - * @NAND_ECC_BCH: Bose-Chaudhuri-Hocquenghem algorithm
> - * @NAND_ECC_RS: Reed-Solomon algorithm
> + * @NAND_ECC_ALGO_UNKNOWN: Unknown algorithm
> + * @NAND_ECC_ALGO_HAMMING: Hamming algorithm
> + * @NAND_ECC_ALGO_BCH: Bose-Chaudhuri-Hocquenghem algorithm
> + * @NAND_ECC_ALGO_RS: Reed-Solomon algorithm
>   */
>  enum nand_ecc_algo {
> -	NAND_ECC_UNKNOWN,
> -	NAND_ECC_HAMMING,
> -	NAND_ECC_BCH,
> -	NAND_ECC_RS,
> +	NAND_ECC_ALGO_UNKNOWN,
> +	NAND_ECC_ALGO_HAMMING,
> +	NAND_ECC_ALGO_BCH,
> +	NAND_ECC_ALGO_RS,
>  };
>  
>  /*




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