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

[Greg KH <greg@kroah.com>]

On Fri, Jul 26, 2024 at 09:15:54AM +0800, Cheng Ming Lin wrote:
> Hi,
> 
> Greg KH <greg@kroah.com> 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@mxic.com.tw>
> > >
> > > [ 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@vger.kernel.org # 5.10.y
> > > Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
> > > Signed-off-by: Jaime Liao <jaimeliao@mxic.com.tw>
> > > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > > Link: https://lore.kernel.org/linux-mtd/1621475108-22523-1-git-send-email-jaimeliao@mxic.com.tw
> > > ---
> > >  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.

Revert what, the one that is in the tree already?  If you need/want it
reverted, please submit a patch to do so along with the reasoning, like
any other change that is submitted here.

thanks,

greg k-h