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) +{ + 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, }; -- 2.17.1