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

Patrice CHOTARD patrice.chotard at st.com
Thu Aug 13 11:56:51 CEST 2020


On 8/13/20 9:28 AM, Patrice CHOTARD wrote:
> 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(-)

Applied on u-boot-stm/master

Thanks

>>
>> 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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