[PATCH] mtd: spinand: add support for FudanMicro FM25S01A

[Tianling Shen]

Hello Miquel,

On 2025/8/24 23:46, Miquel Raynal wrote:
> Hello Tianling,
> 
> On 10/08/2025 at 21:38:52 +08, Tianling Shen <cnsztl at gmail.com> wrote:
> 
>> Add support for FudanMicro FM25S01A SPI NAND.
>> Datasheet: http://eng.fmsh.com/nvm/FM25S01A_ds_eng.pdf
>>
>> Signed-off-by: Tianling Shen <cnsztl at gmail.com>
>> ---
>>   drivers/mtd/nand/spi/Makefile |  2 +-
>>   drivers/mtd/nand/spi/core.c   |  1 +
>>   drivers/mtd/nand/spi/fmsh.c   | 74 +++++++++++++++++++++++++++++++++++
>>   include/linux/mtd/spinand.h   |  1 +
>>   4 files changed, 77 insertions(+), 1 deletion(-)
>>   create mode 100644 drivers/mtd/nand/spi/fmsh.c
>>
>> diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile
>> index 258da42451a4..e288742ea8f0 100644
>> --- a/drivers/mtd/nand/spi/Makefile
>> +++ b/drivers/mtd/nand/spi/Makefile
>> @@ -1,5 +1,5 @@
>>   # SPDX-License-Identifier: GPL-2.0
>> -spinand-objs := core.o otp.o
>> +spinand-objs := core.o fmsh.o otp.o
> 
> You're adding a manufacturer driver in the middle of the core files. For
> now we kind of inforce an alphabetical order, so please move it below.

oops, sorry for that, I've sent v2 for it. Thank you!

Regards,
Tianling.

> 
>>   spinand-objs += alliancememory.o ato.o esmt.o foresee.o gigadevice.o
>>   macronix.o
> 
>                                                  ^
> Here
> 
>>   spinand-objs += micron.o paragon.o skyhigh.o toshiba.o winbond.o xtx.o
>>   obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
>> diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
>> index b0898990b2a5..ea47028d021a 100644
>> --- a/drivers/mtd/nand/spi/core.c
>> +++ b/drivers/mtd/nand/spi/core.c
>> @@ -1184,6 +1184,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = {
>>   	&alliancememory_spinand_manufacturer,
>>   	&ato_spinand_manufacturer,
>>   	&esmt_c8_spinand_manufacturer,
>> +	&fmsh_spinand_manufacturer,
>>   	&foresee_spinand_manufacturer,
>>   	&gigadevice_spinand_manufacturer,
>>   	&macronix_spinand_manufacturer,
>> diff --git a/drivers/mtd/nand/spi/fmsh.c b/drivers/mtd/nand/spi/fmsh.c
>> new file mode 100644
>> index 000000000000..8b2097bfc771
>> --- /dev/null
>> +++ b/drivers/mtd/nand/spi/fmsh.c
> 
> Otherise the driver is simple enough, so v2 should make it :)
> 
> Thanks,
> Miquèl