[PATCH v2] mtd: nand: raw: atmel: Use ONFI ECC params if available

[Michael Nazzareno Trimarchi]

Hi

On Thu, Jul 25, 2024 at 11:36 AM
<Balamanikandan.Gunasundar at microchip.com> wrote:
>
> Acked-by: Balamanikandan Gunasundar
> <balamanikandan.gunasundar at microchip.com>
>
> On 22/07/24 3:15 am, Zixun LI wrote:
> > [Some people who received this message don't often get email from admin at hifiphile.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
> >
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > When ECC parameters are not specified in DT, first try ONFI ECC parameters
> > before fallback to maximum strength.
> >
> > It's the Linux driver behavior since the driver rewriting in f88fc12.
> >
> >  From then 2 nand system refactors have been done in 6a1b66d6 and 53576c7b,
> > chip->ecc_strength_ds and chip->ecc_step_ds became
> > nanddev_get_ecc_requirements(). U-Boot didn't follow the refactor and
> > always use these 2 fields.
> >
> > v2: Fix formatting, add upstream commit hash.
> >
> > Signed-off-by: Zixun LI <zli at ogga.fr>
> > ---
> >   drivers/mtd/nand/raw/atmel/nand-controller.c | 4 ++++
> >   1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
> > index ee4ec6da58..817fab4ca3 100644
> > --- a/drivers/mtd/nand/raw/atmel/nand-controller.c
> > +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
> > @@ -1029,11 +1029,15 @@ static int atmel_nand_pmecc_init(struct nand_chip *chip)
> >                  req.ecc.strength = ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH;
> >          else if (chip->ecc.strength)
> >                  req.ecc.strength = chip->ecc.strength;
> > +       else if (chip->ecc_strength_ds)
> > +               req.ecc.strength = chip->ecc_strength_ds;
> >          else
> >                  req.ecc.strength = ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH;
> >
> >          if (chip->ecc.size)
> >                  req.ecc.sectorsize = chip->ecc.size;
> > +       else if (chip->ecc_step_ds)
> > +               req.ecc.sectorsize = chip->ecc_step_ds;
> >          else
> >                  req.ecc.sectorsize = ATMEL_PMECC_SECTOR_SIZE_AUTO;
> >
> > --
> > 2.45.2
> >
>

Feel free to apply on microchip uboot branch if you are on hurry

Michael

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Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
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michael at amarulasolutions.com
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