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Fri, 26 Jul 2024 01:23:45 -0400 (EDT) Date: Fri, 26 Jul 2024 07:23:42 +0200 From: Greg KH To: Cheng Ming Lin Cc: kunchichiang@mxic.com.tw, Cheng Ming Lin , stable@vger.kernel.org, Jaime Liao , Miquel Raynal Subject: Re: [PATCH v5.10.y v2] mtd: spinand: macronix: Add support for serial NAND flash Message-ID: <2024072659-pavement-alienate-e629@gregkh> References: <20240717090126.467511-1-linchengming884@gmail.com> <2024072359-suitcase-statutory-b7e4@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Jul 26, 2024 at 09:15:54AM +0800, Cheng Ming Lin wrote: > Hi, > > Greg KH 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 > > > > > > [ 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 > > > Signed-off-by: Jaime Liao > > > Signed-off-by: Miquel Raynal > > > 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