Hi Simon, mikhail.kshevets...@genexis.eu wrote on Sat, 17 Aug 2024 23:25:31 +0400:
> On 8/17/24 19:58, Simon Glass wrote: > > Hi Mikhail, > > > > On Wed, 14 Aug 2024 at 04:20, Mikhail Kshevetskiy > > <mikhail.kshevets...@iopsys.eu> wrote: > >> only spinand on_die ecc is supported for a moment > >> > >> Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevets...@iopsys.eu> > >> --- > >> drivers/mtd/nand/Makefile | 2 +- > >> drivers/mtd/nand/core.c | 130 +++++++++++++++- > >> drivers/mtd/nand/ecc.c | 249 ++++++++++++++++++++++++++++++ > >> drivers/mtd/nand/spi/core.c | 207 ++++++++++++++++++++----- > >> drivers/mtd/nand/spi/foresee.c | 2 +- > >> drivers/mtd/nand/spi/macronix.c | 7 +- > >> drivers/mtd/nand/spi/micron.c | 2 +- > >> drivers/mtd/nand/spi/toshiba.c | 10 +- > >> drivers/mtd/nand/spi/winbond.c | 10 +- > >> include/linux/mtd/nand.h | 261 ++++++++++++++++++++++++++++++-- > >> include/linux/mtd/spinand.h | 13 +- > >> include/spi-mem.h | 2 + > >> 12 files changed, 830 insertions(+), 65 deletions(-) > >> create mode 100644 drivers/mtd/nand/ecc.c > > Somehow this should use driver model (along with a suitable API) for > > the ECC acceleration. > > It's just a necessary part of ECC engine. Other engines (not on_die) > should be a separate modules. > > Maybe it could be shrink a bit more (by removing traces of other > possible engines types). All what I want is: > 1) get a working driver with on_die ECC support (it's actually a > necessary part of spinand driver) > 2) make the code as close to linux driver as possible > 3) add the possibility to add other engines in the future. I would like to question the need to go through the DM API here. Especially for the on-die situation. Simon, is there a particular area which bothered you? Thanks, Miquèl