linux-kernel - Re: [PATCH 0/2] Add support for gigadevice and macronix SPI-NOR

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Date:   Mon, 17 Jul 2023 19:03:39 +0300
From:   Tudor Ambarus <tudor.ambarus@...aro.org>
To:     Sridharan S N <quic_sridsn@...cinc.com>, pratyush@...nel.org,
        michael@...le.cc, miquel.raynal@...tlin.com, richard@....at,
        vigneshr@...com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Add support for gigadevice and macronix SPI-NOR



On 17.07.2023 18:35, Sridharan S N wrote:
> This series add support for SPI NOR devices mentioned below:
> 
> gigadevice:
> gd25lb256e   - This supports quad read and uniform 4K-byte erase.
> gd25d{2,4}0c - These supports dual read and uniform 4K-byte erase.
> 
> macronix:
> mx66u1g45g - This chip supports stateless 4-byte opcodes, dual and quad
>              read and uniform 4K-byte erase.
> Sridharan S N (2):
>   mtd: spi-nor: gigadevice: Add support for gd25lb256e and gd25d{2,4}0c
>   mtd: spi-nor: macronix: Add support for mx66u1g45g
> 
>  drivers/mtd/spi-nor/gigadevice.c | 6 ++++++
>  drivers/mtd/spi-nor/macronix.c   | 3 +++
>  2 files changed, 9 insertions(+)
> 

All these flashes should support SFDP, thus you don't need to explicitly
define them. See
https://lore.kernel.org/linux-mtd/bfc85475bdcea46ea6c3ece98cc1e9cc@walle.cc/T/#mf79010e7031b03bda31690b4229a4f27f712f3a7