Re: [PATCH v5.10.y v2] mtd: spinand: macronix: Add support for serial NAND flash

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Hi,

Greg KH <greg@xxxxxxxxx> 於 2024年7月23日 週二 下午9:36寫道:
>
> On Wed, Jul 17, 2024 at 05:01:26PM +0800, Cheng Ming Lin wrote:
> > From: Cheng Ming Lin <chengminglin@xxxxxxxxxxx>
> >
> > [ Upstream commit c374839f9b4475173e536d1eaddff45cb481dbdf ]
> >
> > Macronix NAND Flash devices are available in different configurations
> > and densities.
> >
> > MX"35" means SPI NAND
> > MX35"LF"/"UF" , LF means 3V and UF meands 1.8V
> > MX35LF"2G" , 2G means 2Gbits
> > MX35LF2G"E4"/"24"/"14",
> > E4 means internal ECC and Quad I/O(x4)
> > 24 means 8-bit ecc requirement and Quad I/O(x4)
> > 14 means 4-bit ecc requirement and Quad I/O(x4)
> >
> > MX35LF2G14AC is 3V 2Gbit serial NAND flash device
> > (without on-die ECC)
> > https://www.mxic.com.tw/Lists/Datasheet/Attachments/7926/MX35LF2G14AC,%203V,%202Gb,%20v1.1.pdf
> >
> > MX35UF4G24AD/MX35UF2G24AD/MX35UF1G24AD is 1.8V 4Gbit serial NAND flash device
> > (without on-die ECC)
> > https://www.mxic.com.tw/Lists/Datasheet/Attachments/7980/MX35UF4G24AD,%201.8V,%204Gb,%20v0.00.pdf
> >
> > MX35UF4GE4AD/MX35UF2GE4AD/MX35UF1GE4AD are 1.8V 4G/2Gbit serial
> > NAND flash device with 8-bit on-die ECC
> > https://www.mxic.com.tw/Lists/Datasheet/Attachments/7983/MX35UF4GE4AD,%201.8V,%204Gb,%20v0.00.pdf
> >
> > MX35UF2GE4AC/MX35UF1GE4AC are 1.8V 2G/1Gbit serial
> > NAND flash device with 8-bit on-die ECC
> > https://www.mxic.com.tw/Lists/Datasheet/Attachments/7974/MX35UF2GE4AC,%201.8V,%202Gb,%20v1.0.pdf
> >
> > MX35UF2G14AC/MX35UF1G14AC are 1.8V 2G/1Gbit serial
> > NAND flash device (without on-die ECC)
> > https://www.mxic.com.tw/Lists/Datasheet/Attachments/7931/MX35UF2G14AC,%201.8V,%202Gb,%20v1.1.pdf
> >
> > Validated via normal(default) and QUAD mode by read, erase, read back,
> > on Xilinx Zynq PicoZed FPGA board which included Macronix
> > SPI Host(drivers/spi/spi-mxic.c).
> >
> > Cc: stable@xxxxxxxxxxxxxxx # 5.10.y
> > Signed-off-by: Cheng Ming Lin <chengminglin@xxxxxxxxxxx>
> > Signed-off-by: Jaime Liao <jaimeliao@xxxxxxxxxxx>
> > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> > Link: https://lore.kernel.org/linux-mtd/1621475108-22523-1-git-send-email-jaimeliao@xxxxxxxxxxx
> > ---
> >  drivers/mtd/nand/spi/macronix.c | 110 ++++++++++++++++++++++++++++++++
> >  1 file changed, 110 insertions(+)
>
> This is already in the 5.10.y tree, why are you asking for it to be
> applied again?
>

I accidentally sent the wrong patch, which has already been applied to LTS.
I would like to inquire about the possibility of reverting this patch.

Thank you for your understanding,
and I apologize for any inconvenience caused.

> confused,
>
> greg k-h

Best regards,
Cheng-Ming Lin





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