On Tue, 19 Jun 2018 17:31:22 +1200
Chris Packham <chris.pack...@alliedtelesis.co.nz> wrote:
> Some Micron NAND chips (MT29F1G08ABAFAWP-ITE:F) report 00 00 for the
> revision number field of the ONFI parameter page. Rather than rejecting
> these outright assume ONFI version 1.0 if the revision number is 00 00.
>
> Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
> ---
> This is now qualified on vendor == MICRON. I haven't qualified this
> based on specific chips the ABAFA (id=d1) and ABBFA (id=a1) variants are
> documented to have this behaviour.
>
> Changes in v2:
> - use fixup_onfi_param_page
>
> drivers/mtd/nand/raw/nand_micron.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/mtd/nand/raw/nand_micron.c
> b/drivers/mtd/nand/raw/nand_micron.c
> index 0af45b134c0c..e582c9e61715 100644
> --- a/drivers/mtd/nand/raw/nand_micron.c
> +++ b/drivers/mtd/nand/raw/nand_micron.c
> @@ -287,6 +287,14 @@ static int micron_nand_init(struct nand_chip *chip)
> return 0;
> }
>
> +static void micron_fixup_onfi_param_page(struct nand_chip *chip,
> + struct nand_onfi_params *p)
> +{
Could you add a comment repeating what you have in your commit message
here?
With this addressed
Reviewed-by: Boris Brezillon <boris.brezil...@bootlin.com>
> + if (le16_to_cpu(p->revision) == 0)
> + p->revision = cpu_to_le16(1 << 1);
> +}
> +
> const struct nand_manufacturer_ops micron_nand_manuf_ops = {
> .init = micron_nand_init,
> + .fixup_onfi_param_page = micron_fixup_onfi_param_page,
> };
