[PATCH 02/11] mtd: rawnand: stm32_fmc2: remove useless inline comments

Patrice CHOTARD patrice.chotard at st.com
Thu Aug 13 09:28:32 CEST 2020


Hi Christophe

On 7/31/20 9:53 AM, Christophe Kerello wrote:
> Remove inline comments that are useless since function label are
> self explanatory.
>
> Signed-off-by: Christophe Kerello <christophe.kerello at st.com>
> ---
>
>  drivers/mtd/nand/raw/stm32_fmc2_nand.c | 25 -------------------------
>  1 file changed, 25 deletions(-)
>
> diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
> index 2929acf..f43e3ec 100644
> --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
> +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
> @@ -179,7 +179,6 @@ static inline struct stm32_fmc2_nfc *to_stm32_nfc(struct nand_hw_control *base)
>  	return container_of(base, struct stm32_fmc2_nfc, base);
>  }
>  
> -/* Timings configuration */
>  static void stm32_fmc2_timings_init(struct nand_chip *chip)
>  {
>  	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);
> @@ -211,7 +210,6 @@ static void stm32_fmc2_timings_init(struct nand_chip *chip)
>  	writel(patt, fmc2->io_base + FMC2_PATT);
>  }
>  
> -/* Controller configuration */
>  static void stm32_fmc2_setup(struct nand_chip *chip)
>  {
>  	struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller);
> @@ -239,7 +237,6 @@ static void stm32_fmc2_setup(struct nand_chip *chip)
>  	writel(pcr, fmc2->io_base + FMC2_PCR);
>  }
>  
> -/* Select target */
>  static void stm32_fmc2_select_chip(struct mtd_info *mtd, int chipnr)
>  {
>  	struct nand_chip *chip = mtd_to_nand(mtd);
> @@ -256,14 +253,10 @@ static void stm32_fmc2_select_chip(struct mtd_info *mtd, int chipnr)
>  	chip->IO_ADDR_R = fmc2->data_base[fmc2->cs_sel];
>  	chip->IO_ADDR_W = fmc2->data_base[fmc2->cs_sel];
>  
> -	/* FMC2 setup routine */
>  	stm32_fmc2_setup(chip);
> -
> -	/* Apply timings */
>  	stm32_fmc2_timings_init(chip);
>  }
>  
> -/* Set bus width to 16-bit or 8-bit */
>  static void stm32_fmc2_set_buswidth_16(struct stm32_fmc2_nfc *fmc2, bool set)
>  {
>  	u32 pcr = readl(fmc2->io_base + FMC2_PCR);
> @@ -274,7 +267,6 @@ static void stm32_fmc2_set_buswidth_16(struct stm32_fmc2_nfc *fmc2, bool set)
>  	writel(pcr, fmc2->io_base + FMC2_PCR);
>  }
>  
> -/* Enable/disable ECC */
>  static void stm32_fmc2_set_ecc(struct stm32_fmc2_nfc *fmc2, bool enable)
>  {
>  	u32 pcr = readl(fmc2->io_base + FMC2_PCR);
> @@ -285,13 +277,11 @@ static void stm32_fmc2_set_ecc(struct stm32_fmc2_nfc *fmc2, bool enable)
>  	writel(pcr, fmc2->io_base + FMC2_PCR);
>  }
>  
> -/* Clear irq sources in case of bch is used */
>  static inline void stm32_fmc2_clear_bch_irq(struct stm32_fmc2_nfc *fmc2)
>  {
>  	writel(FMC2_BCHICR_CLEAR_IRQ, fmc2->io_base + FMC2_BCHICR);
>  }
>  
> -/* Send command and address cycles */
>  static void stm32_fmc2_cmd_ctrl(struct mtd_info *mtd, int cmd,
>  				unsigned int ctrl)
>  {
> @@ -361,7 +351,6 @@ static int stm32_fmc2_ham_calculate(struct mtd_info *mtd, const u8 *data,
>  	ecc[1] = heccr >> 8;
>  	ecc[2] = heccr >> 16;
>  
> -	/* Disable ecc */
>  	stm32_fmc2_set_ecc(fmc2, false);
>  
>  	return 0;
> @@ -466,13 +455,11 @@ static int stm32_fmc2_bch_calculate(struct mtd_info *mtd, const u8 *data,
>  		ecc[12] = bchpbr;
>  	}
>  
> -	/* Disable ecc */
>  	stm32_fmc2_set_ecc(fmc2, false);
>  
>  	return 0;
>  }
>  
> -/* BCH algorithm correction */
>  static int stm32_fmc2_bch_correct(struct mtd_info *mtd, u8 *dat,
>  				  u8 *read_ecc, u8 *calc_ecc)
>  {
> @@ -497,7 +484,6 @@ static int stm32_fmc2_bch_correct(struct mtd_info *mtd, u8 *dat,
>  	bchdsr3 = readl(fmc2->io_base + FMC2_BCHDSR3);
>  	bchdsr4 = readl(fmc2->io_base + FMC2_BCHDSR4);
>  
> -	/* Disable ECC */
>  	stm32_fmc2_set_ecc(fmc2, false);
>  
>  	/* No errors found */
> @@ -579,7 +565,6 @@ static int stm32_fmc2_read_page(struct mtd_info *mtd,
>  	return max_bitflips;
>  }
>  
> -/* Controller initialization */
>  static void stm32_fmc2_init(struct stm32_fmc2_nfc *fmc2)
>  {
>  	u32 pcr = readl(fmc2->io_base + FMC2_PCR);
> @@ -622,7 +607,6 @@ static void stm32_fmc2_init(struct stm32_fmc2_nfc *fmc2)
>  	writel(FMC2_PATT_DEFAULT, fmc2->io_base + FMC2_PATT);
>  }
>  
> -/* Controller timings */
>  static void stm32_fmc2_calc_timings(struct nand_chip *chip,
>  				    const struct nand_sdr_timings *sdrt)
>  {
> @@ -768,13 +752,11 @@ static int stm32_fmc2_setup_interface(struct mtd_info *mtd, int chipnr,
>  
>  	stm32_fmc2_calc_timings(chip, sdrt);
>  
> -	/* Apply timings */
>  	stm32_fmc2_timings_init(chip);
>  
>  	return 0;
>  }
>  
> -/* NAND callbacks setup */
>  static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip)
>  {
>  	chip->ecc.hwctl = stm32_fmc2_hwctl;
> @@ -803,7 +785,6 @@ static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip)
>  		chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 8 : 7;
>  }
>  
> -/* FMC2 caps */
>  static int stm32_fmc2_calc_ecc_bytes(int step_size, int strength)
>  {
>  	/* Hamming */
> @@ -822,7 +803,6 @@ NAND_ECC_CAPS_SINGLE(stm32_fmc2_ecc_caps, stm32_fmc2_calc_ecc_bytes,
>  		     FMC2_ECC_STEP_SIZE,
>  		     FMC2_ECC_HAM, FMC2_ECC_BCH4, FMC2_ECC_BCH8);
>  
> -/* FMC2 probe */
>  static int stm32_fmc2_parse_child(struct stm32_fmc2_nfc *fmc2,
>  				  ofnode node)
>  {
> @@ -969,7 +949,6 @@ static int stm32_fmc2_probe(struct udevice *dev)
>  		reset_deassert(&reset);
>  	}
>  
> -	/* FMC2 init routine */
>  	stm32_fmc2_init(fmc2);
>  
>  	chip->controller = &fmc2->base;
> @@ -985,7 +964,6 @@ static int stm32_fmc2_probe(struct udevice *dev)
>  	chip->ecc.size = FMC2_ECC_STEP_SIZE;
>  	chip->ecc.strength = FMC2_ECC_BCH8;
>  
> -	/* Scan to find existence of the device */
>  	ret = nand_scan_ident(mtd, nand->ncs, NULL);
>  	if (ret)
>  		return ret;
> @@ -1012,7 +990,6 @@ static int stm32_fmc2_probe(struct udevice *dev)
>  	if (chip->bbt_options & NAND_BBT_USE_FLASH)
>  		chip->bbt_options |= NAND_BBT_NO_OOB;
>  
> -	/* NAND callbacks setup */
>  	stm32_fmc2_nand_callbacks_setup(chip);
>  
>  	/* Define ECC layout */
> @@ -1026,11 +1003,9 @@ static int stm32_fmc2_probe(struct udevice *dev)
>  	ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset;
>  	chip->ecc.layout = ecclayout;
>  
> -	/* Configure bus width to 16-bit */
>  	if (chip->options & NAND_BUSWIDTH_16)
>  		stm32_fmc2_set_buswidth_16(fmc2, true);
>  
> -	/* Scan the device to fill MTD data-structures */
>  	ret = nand_scan_tail(mtd);
>  	if (ret)
>  		return ret;

Reviewed-by: Patrice Chotard <patrice.chotard at st.com>

Thanks

Patrice


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