diff options
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 8 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d9f79474cd..b321c59180 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2839,7 +2839,9 @@ static int nand_onfi_set_features(struct mtd_info *mtd, struct nand_chip *chip, { int status; - if (!chip->onfi_version) + if (!chip->onfi_version || + !(le16_to_cpu(chip->onfi_params.opt_cmd) + & ONFI_OPT_CMD_SET_GET_FEATURES)) return -EINVAL; chip->cmdfunc(mtd, NAND_CMD_SET_FEATURES, addr, -1); @@ -2860,7 +2862,9 @@ static int nand_onfi_set_features(struct mtd_info *mtd, struct nand_chip *chip, static int nand_onfi_get_features(struct mtd_info *mtd, struct nand_chip *chip, int addr, uint8_t *subfeature_param) { - if (!chip->onfi_version) + if (!chip->onfi_version || + !(le16_to_cpu(chip->onfi_params.opt_cmd) + & ONFI_OPT_CMD_SET_GET_FEATURES)) return -EINVAL; /* clear the sub feature parameters */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 27538c3f42..88a8fe9756 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -222,6 +222,9 @@ struct nand_chip; /* ONFI subfeature parameters length */ #define ONFI_SUBFEATURE_PARAM_LEN 4 +/* ONFI optional commands SET/GET FEATURES supported? */ +#define ONFI_OPT_CMD_SET_GET_FEATURES (1 << 2) + struct nand_onfi_params { /* rev info and features block */ /* 'O' 'N' 'F' 'I' */ |