linux-kernel - Re: [PATCH v5 6/6] mtd: spi-nor: Rename Quad Enable methods

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Message-ID: <d71a58fb-90a5-3ebb-1ce8-046be7f0be1f@ti.com>
Date:   Fri, 8 Nov 2019 21:32:43 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     <Tudor.Ambarus@...rochip.com>, <boris.brezillon@...labora.com>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 6/6] mtd: spi-nor: Rename Quad Enable methods



On 07-Nov-19 2:12 PM, Tudor.Ambarus@...rochip.com wrote:
> From: Tudor Ambarus <tudor.ambarus@...rochip.com>
> 
> Rename macronix_quad_enable() to a generic name:
> spi_nor_sr1_bit6_quad_enable().
> 
> Prepend "spi_nor_" to "sr2_bit7_quad_enable". All SPI NOR generic
> methods should be prepended by "spi_nor_".
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>

Reviewed-by: Vignesh Raghavendra <vigneshr@...com>

Regards
Vignesh

> ---
>  drivers/mtd/spi-nor/spi-nor.c | 25 ++++++++++++-------------
>  include/linux/mtd/spi-nor.h   |  2 +-
>  2 files changed, 13 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 16fb3c7d0daf..824649eecd59 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -2078,16 +2078,15 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
>  }
>  
>  /**
> - * macronix_quad_enable() - set QE bit in Status Register.
> + * spi_nor_sr1_bit6_quad_enable() - Set the Quad Enable BIT(6) in the Status
> + * Register 1.
>   * @nor:	pointer to a 'struct spi_nor'
>   *
> - * Set the Quad Enable (QE) bit in the Status Register.
> - *
> - * bit 6 of the Status Register is the QE bit for Macronix like QSPI memories.
> + * Bit 6 of the Status Register 1 is the QE bit for Macronix like QSPI memories.
>   *
>   * Return: 0 on success, -errno otherwise.
>   */
> -static int macronix_quad_enable(struct spi_nor *nor)
> +static int spi_nor_sr1_bit6_quad_enable(struct spi_nor *nor)
>  {
>  	int ret;
>  
> @@ -2095,10 +2094,10 @@ static int macronix_quad_enable(struct spi_nor *nor)
>  	if (ret)
>  		return ret;
>  
> -	if (nor->bouncebuf[0] & SR_QUAD_EN_MX)
> +	if (nor->bouncebuf[0] & SR1_QUAD_EN_BIT6)
>  		return 0;
>  
> -	nor->bouncebuf[0] |= SR_QUAD_EN_MX;
> +	nor->bouncebuf[0] |= SR1_QUAD_EN_BIT6;
>  
>  	return spi_nor_write_sr1_and_check(nor, nor->bouncebuf[0]);
>  }
> @@ -2130,7 +2129,7 @@ static int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor)
>  }
>  
>  /**
> - * sr2_bit7_quad_enable() - set QE bit in Status Register 2.
> + * spi_nor_sr2_bit7_quad_enable() - set QE bit in Status Register 2.
>   * @nor:	pointer to a 'struct spi_nor'
>   *
>   * Set the Quad Enable (QE) bit in the Status Register 2.
> @@ -2141,7 +2140,7 @@ static int spi_nor_sr2_bit1_quad_enable(struct spi_nor *nor)
>   *
>   * Return: 0 on success, -errno otherwise.
>   */
> -static int sr2_bit7_quad_enable(struct spi_nor *nor)
> +static int spi_nor_sr2_bit7_quad_enable(struct spi_nor *nor)
>  {
>  	u8 *sr2 = nor->bouncebuf;
>  	int ret;
> @@ -2281,7 +2280,7 @@ static void gd25q256_default_init(struct spi_nor *nor)
>  	 * indicate the quad_enable method for this case, we need
>  	 * to set it in the default_init fixup hook.
>  	 */
> -	nor->params.quad_enable = macronix_quad_enable;
> +	nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
>  }
>  
>  static struct spi_nor_fixups gd25q256_fixups = {
> @@ -3661,12 +3660,12 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
>  
>  	case BFPT_DWORD15_QER_SR1_BIT6:
>  		nor->flags &= ~SNOR_F_HAS_16BIT_SR;
> -		params->quad_enable = macronix_quad_enable;
> +		params->quad_enable = spi_nor_sr1_bit6_quad_enable;
>  		break;
>  
>  	case BFPT_DWORD15_QER_SR2_BIT7:
>  		nor->flags &= ~SNOR_F_HAS_16BIT_SR;
> -		params->quad_enable = sr2_bit7_quad_enable;
> +		params->quad_enable = spi_nor_sr2_bit7_quad_enable;
>  		break;
>  
>  	case BFPT_DWORD15_QER_SR2_BIT1:
> @@ -4569,7 +4568,7 @@ static void intel_set_default_init(struct spi_nor *nor)
>  
>  static void macronix_set_default_init(struct spi_nor *nor)
>  {
> -	nor->params.quad_enable = macronix_quad_enable;
> +	nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
>  	nor->params.set_4byte = macronix_set_4byte;
>  }
>  
> diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
> index 364309845de0..9eae35c60bce 100644
> --- a/include/linux/mtd/spi-nor.h
> +++ b/include/linux/mtd/spi-nor.h
> @@ -133,7 +133,7 @@
>  #define SR_E_ERR		BIT(5)
>  #define SR_P_ERR		BIT(6)
>  
> -#define SR_QUAD_EN_MX		BIT(6)	/* Macronix Quad I/O */
> +#define SR1_QUAD_EN_BIT6	BIT(6)
>  
>  /* Enhanced Volatile Configuration Register bits */
>  #define EVCR_QUAD_EN_MICRON	BIT(7)	/* Micron Quad I/O */
>