linux-kernel - Re: [PATCH 1/1] mtd: spi-nor: winbond: Add support for w25q01jv-iq

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Date:   Mon, 27 Dec 2021 14:31:51 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Potin Lai <potin.lai@...ntatw.com>
CC:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Michael Walle <michael@...le.cc>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Patrick Williams <patrick@...cx.xyz>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] mtd: spi-nor: winbond: Add support for w25q01jv-iq

On 24/12/21 06:45PM, Potin Lai wrote:
> Add support for winbond w25q01jv-iq chip
> 
> Signed-off-by: Potin Lai <potin.lai@...ntatw.com>
> ---
>  drivers/mtd/spi-nor/winbond.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
> index c783ab4ba1e4..a2a72d05fc28 100644
> --- a/drivers/mtd/spi-nor/winbond.c
> +++ b/drivers/mtd/spi-nor/winbond.c
> @@ -104,6 +104,8 @@ static const struct flash_info winbond_parts[] = {
>  			    SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
>  	{ "w25q512jvq", INFO(0xef4020, 0, 64 * 1024, 1024,
>  			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> +	{ "w25q01jv-iq", INFO(0xef4021, 0, 64 * 1024, 2048,
> +				SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },

We recently reworked how flags are set. Please use the new flags 
variants. See [0] If the flash supports SFDP then we prefer you only set 
the PARSE_SFDP flag. See [1].

You also need to show the dumps of the SFDP and other flash parameters. 
See [2].

[0] https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git/commit/?h=spi-nor/next&id=ec1c0e996035c8f93eca7bb64ccf0411b57fddea
[1] https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git/commit/?h=spi-nor/next&id=1c513c986b0a4c7151cb4571e568136f16c9dc58
[2] https://patchwork.ozlabs.org/project/linux-mtd/patch/20211209190436.401946-2-tudor.ambarus@microchip.com/

>  };
>  
>  /**
> -- 
> 2.17.1
> 

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.