linux-kernel - Re: [PATCH v13 13/15] mtd: spi-nor: core: expose spi_nor_default

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Message-ID: <ef62bf4e-1b2c-aa3e-39b7-fd8d118e582d@microchip.com>
Date:   Wed, 30 Sep 2020 07:51:37 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <p.yadav@...com>, <miquel.raynal@...tlin.com>, <richard@....at>,
        <vigneshr@...com>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <nsekhar@...com>, <boris.brezillon@...labora.com>
Subject: Re: [PATCH v13 13/15] mtd: spi-nor: core: expose
 spi_nor_default_setup() in core.h

On 9/16/20 3:44 PM, Pratyush Yadav wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Flashes might want to add a custom setup hook to configure the flash in
> the proper mode for operation. But after that, they would still want to
> run the default setup hook because it selects the read, program, and
> erase operations. Since there is little point in repeating all that
> code, expose the spi_nor_default_setup() in core.h to
> manufacturer-specific files.

But you don't use it in the following patches. Can we drop this one for now?
> 
> Signed-off-by: Pratyush Yadav <p.yadav@...com>
> ---
>  drivers/mtd/spi-nor/core.c | 4 ++--
>  drivers/mtd/spi-nor/core.h | 3 +++
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
> index d5c92c9c7307..34edfcf33172 100644
> --- a/drivers/mtd/spi-nor/core.c
> +++ b/drivers/mtd/spi-nor/core.c
> @@ -2759,8 +2759,8 @@ static int spi_nor_select_erase(struct spi_nor *nor)
>         return 0;
>  }
> 
> -static int spi_nor_default_setup(struct spi_nor *nor,
> -                                const struct spi_nor_hwcaps *hwcaps)
> +int spi_nor_default_setup(struct spi_nor *nor,
> +                         const struct spi_nor_hwcaps *hwcaps)
>  {
>         struct spi_nor_flash_parameter *params = nor->params;
>         u32 ignored_mask, shared_mask;
> diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
> index e2c7324d997e..10dc03506f93 100644
> --- a/drivers/mtd/spi-nor/core.h
> +++ b/drivers/mtd/spi-nor/core.h
> @@ -453,6 +453,9 @@ int spi_nor_post_bfpt_fixups(struct spi_nor *nor,
>                              const struct sfdp_bfpt *bfpt,
>                              struct spi_nor_flash_parameter *params);
> 
> +int spi_nor_default_setup(struct spi_nor *nor,
> +                         const struct spi_nor_hwcaps *hwcaps);
> +
>  static struct spi_nor __maybe_unused *mtd_to_spi_nor(struct mtd_info *mtd)
>  {
>         return mtd->priv;
> --
> 2.28.0
>