[PATCH v1] mtd: rawnand: meson: always use OOB bytes during write

[Arseniy Krasnov]

On 23.12.2024 15:57, Michael Nazzareno Trimarchi wrote:
> On Sun, Dec 22, 2024 at 10:23 PM Arseniy Krasnov
> <avkrasnov at salutedevices.com> wrote:
>>
>> If 'oob_required' is not set by the caller (for example 'oobbuf' is NULL),
>> then driver doesn't copy OOB data from 'oob_poi' to special controller
>> structures, so zeroes will be written as OOB. But, generic raw NAND logic
>> in 'nand_base.c' already handles case when OOB is not required to write by
>> filling 'oob_poi' with 0xFF's. So let's remove 'oob_required' check to
>> always read 'oob_poi' data for OOB.
>>
>> Kernel driver (drivers/mtd/nand/raw/meson_nand.c) works in the same way,
>> so need to keep same behaviour here.
>>
>> Fixes: c2e8c4d09a7a ("mtd: rawnand: Meson NAND controller support")
>> Signed-off-by: Arseniy Krasnov <avkrasnov at salutedevices.com>
>> ---
>>  drivers/mtd/nand/raw/meson_nand.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
>> index 81122315f4..82a12ac061 100644
>> --- a/drivers/mtd/nand/raw/meson_nand.c
>> +++ b/drivers/mtd/nand/raw/meson_nand.c
>> @@ -607,9 +607,7 @@ static int meson_nfc_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *ch
>>                 memcpy(meson_chip->data_buf, buf, mtd->writesize);
>>
>>         memset(meson_chip->info_buf, 0, chip->ecc.steps * PER_INFO_BYTE);
>> -
>> -       if (oob_required)
>> -               meson_nfc_set_user_byte(chip, chip->oob_poi);
>> +       meson_nfc_set_user_byte(chip, chip->oob_poi);
>>
> 
> Reviewed-by: Michael Trimarchi <michael at amarulasolutions.com>
> 
> I will queue it

Thanks. You mean it will be merged to https://source.denx.de/u-boot/custodians/u-boot-nand-flash ?


> 
>>         return meson_nfc_write_page_sub(chip, page, false);
>>  }
>> --
>> 2.30.1
> 
> 
>