diff options
| author | Mason Yang <masonccyang@mxic.com.tw> | 2020-03-03 15:21:21 +0800 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-03-11 16:17:55 +0100 |
| commit | 92270086b7e5ada7ab381c06cc3da2e95ed17088 (patch) | |
| tree | 428c40986e002288c1770dba04802b0aa7eab2fa /include/linux/mtd/rawnand.h | |
| parent | e015d72f321e8b54aa3aef680e85dcd87f912703 (diff) | |
| download | linux-92270086b7e5ada7ab381c06cc3da2e95ed17088.tar.bz2 | |
mtd: rawnand: Add support for manufacturer specific lock/unlock operation
Add nand_lock() & nand_unlock() for manufacturer specific lock & unlock
operation while the device supports Block Portection function.
Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1583220084-10890-2-git-send-email-masonccyang@mxic.com.tw
Diffstat (limited to 'include/linux/mtd/rawnand.h')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 3c7c15aadcee..49ed50fb44ab 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1077,6 +1077,8 @@ struct nand_legacy { * @manufacturer: [INTERN] Contains manufacturer information * @manufacturer.desc: [INTERN] Contains manufacturer's description * @manufacturer.priv: [INTERN] Contains manufacturer private information + * @lock_area: [REPLACEABLE] specific NAND chip lock operation + * @unlock_area: [REPLACEABLE] specific NAND chip unlock operation */ struct nand_chip { @@ -1136,6 +1138,9 @@ struct nand_chip { const struct nand_manufacturer *desc; void *priv; } manufacturer; + + int (*lock_area)(struct nand_chip *chip, loff_t ofs, uint64_t len); + int (*unlock_area)(struct nand_chip *chip, loff_t ofs, uint64_t len); }; extern const struct mtd_ooblayout_ops nand_ooblayout_sp_ops; |