This is called after the ONFI parameter page checksum is verified
and allows us to override the contents of the parameter page.
Suggested-by: Boris Brezillon <boris.brezil...@bootlin.com>
Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
Reviewed-by: Boris Brezillon <boris.brezil...@bootlin.com>
---
Changes in v2:
- New
Changes in v3:
- Add doc comment and review from Boris
Changes in v4:
- None
Changes in v5:
- None
Changes in v6:
- None
drivers/mtd/nand/raw/nand_base.c | 4 ++++
include/linux/mtd/rawnand.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 0cd3e216b95c..65250308c82d 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -5172,6 +5172,10 @@ static int nand_flash_detect_onfi(struct nand_chip *chip)
}
}
+ if (chip->manufacturer.desc && chip->manufacturer.desc->ops &&
+ chip->manufacturer.desc->ops->fixup_onfi_param_page)
+ chip->manufacturer.desc->ops->fixup_onfi_param_page(chip, p);
+
/* Check version */
val = le16_to_cpu(p->revision);
if (val & (1 << 5))
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 3e8ec3b8a39c..ef7e3b4e91ea 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -778,11 +778,14 @@ nand_get_sdr_timings(const struct nand_data_interface
*conf)
* implementation) if any.
* @cleanup: the ->init() function may have allocated resources, ->cleanup()
* is here to let vendor specific code release those resources.
+ * @fixup_onfi_param_page: apply vendor specific fixups to the ONFI
+ * parameter page. This is called after the checksum is verified.
*/
struct nand_manufacturer_ops {
void (*detect)(struct nand_chip *chip);
int (*init)(struct nand_chip *chip);
void (*cleanup)(struct nand_chip *chip);
+ void (*fixup_onfi_param_page)(struct nand_chip *chip, struct
nand_onfi_params *p);
};
/**
--
2.18.0
