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

[Michael Nazzareno Trimarchi]

Hi

On Mon, Jul 29, 2024 at 10:07 AM Eugen Hristev
<eugen.hristev at collabora.com> wrote:
>
> On 7/25/24 12:41, Michael Nazzareno Trimarchi wrote:
> > 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
> >
> Hello Michael,
>
> This is fine, you(or Dario) can pick this up through the nand tree.
>
> Eugen

I totally missed, I will pick up today

Michael

-- 
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael at amarulasolutions.com
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