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| author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2018-06-25 10:44:46 +1200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-07-02 09:02:28 +0200 |
| commit | 243f37cb1f63dfdc4451802aa519fb3c3d9c9d32 (patch) | |
| tree | 6a23e9f88ea013557955b9cdda0416a5be334627 /drivers/mtd/nand/raw/nand_micron.c | |
| parent | 872b71ff084ab125c68073d9e69acfd7095f2015 (diff) | |
| download | linux-243f37cb1f63dfdc4451802aa519fb3c3d9c9d32.tar.bz2 | |
mtd: rawnand: micron: add fixup for ONFI revision
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.packham@alliedtelesis.co.nz>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd/nand/raw/nand_micron.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_micron.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index 203faba0a9c1..d30bd4df9b12 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -290,6 +290,19 @@ 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) +{ + /* + * MT29F1G08ABAFAWP-ITE:F and possibly others report 00 00 for the + * revision number field of the ONFI parameter page. Assume ONFI + * version 1.0 if the revision number is 00 00. + */ + if (le16_to_cpu(p->revision) == 0) + p->revision = cpu_to_le16(ONFI_VERSION_1_0); +} + const struct nand_manufacturer_ops micron_nand_manuf_ops = { .init = micron_nand_init, + .fixup_onfi_param_page = micron_fixup_onfi_param_page, }; |