@@ -2720,7 +2720,9 @@ static int nand_onfi_set_features(struct mtd_info *mtd, struct nand_chip *chip,
{
int status;
- if (!chip->onfi_version)
+ if (!chip->onfi_version ||
+ /* supports GET/SET FEATURES? */
+ !(le16_to_cpu(chip->onfi_params.opt_cmd) & 4))
return -EINVAL;
chip->cmdfunc(mtd, NAND_CMD_SET_FEATURES, addr, -1);
@@ -2741,7 +2743,9 @@ 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 ||
+ /* supports GET/SET FEATURES? */
+ !(le16_to_cpu(chip->onfi_params.opt_cmd) & 4))
return -EINVAL;
/* clear the sub feature parameters */