diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 92ab30ab00dc..c2b6729da496 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -370,28 +370,30 @@ static int otp_select_filemode(struct mtd_file_info *mfi, int mode) { struct mtd_info *mtd = mfi->mtd; size_t retlen; - int ret = 0; - - /* - * Make a fake call to mtd_read_fact_prot_reg() to check if OTP - * operations are supported. - */ - if (mtd_read_fact_prot_reg(mtd, -1, 0, &retlen, NULL) == -EOPNOTSUPP) - return -EOPNOTSUPP; switch (mode) { case MTD_OTP_FACTORY: + if (mtd_read_fact_prot_reg(mtd, -1, 0, &retlen, NULL) == + -EOPNOTSUPP) + return -EOPNOTSUPP; + mfi->mode = MTD_FILE_MODE_OTP_FACTORY; break; case MTD_OTP_USER: + if (mtd_read_user_prot_reg(mtd, -1, 0, &retlen, NULL) == + -EOPNOTSUPP) + return -EOPNOTSUPP; + mfi->mode = MTD_FILE_MODE_OTP_USER; break; - default: - ret = -EINVAL; case MTD_OTP_OFF: + mfi->mode = MTD_FILE_MODE_NORMAL; break; + default: + return -EINVAL; } - return ret; + + return 0; } #else # define otp_select_filemode(f,m) -EOPNOTSUPP |