+#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
+ case OTPSELECT:
+ {
+ int mode;
+ if (copy_from_user(&mode, argp, sizeof(int)))
+ return -EFAULT;
+
+ mfi->mode = MTD_MODE_NORMAL;
+
+ ret = otp_select_filemode(mfi, mode);
+
+ file->f_pos = 0;
+ break;
+ }
+
+ case OTPGETREGIONCOUNT:
+ case OTPGETREGIONINFO:
+ {
+ struct otp_info *buf = kmalloc(4096, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ ret = -EOPNOTSUPP;
+ switch (mfi->mode) {
+ case MTD_MODE_OTP_FACTORY:
+ if (mtd->get_fact_prot_info)
+ ret = mtd->get_fact_prot_info(mtd, buf, 4096);
+ break;
+ case MTD_MODE_OTP_USER:
+ if (mtd->get_user_prot_info)
+ ret = mtd->get_user_prot_info(mtd, buf, 4096);
+ break;
+ default:
+ break;
+ }
+ if (ret >= 0) {
+ if (cmd == OTPGETREGIONCOUNT) {
+ int nbr = ret / sizeof(struct otp_info);
+ ret = copy_to_user(argp, &nbr, sizeof(int));
+ } else
+ ret = copy_to_user(argp, buf, ret);
+ if (ret)
+ ret = -EFAULT;
+ }
+ kfree(buf);
+ break;
+ }
+
+ case OTPLOCK:
+ {
+ struct otp_info info;
+
+ if (mfi->mode != MTD_MODE_OTP_USER)
+ return -EINVAL;
+ if (copy_from_user(&info, argp, sizeof(info)))
+ return -EFAULT;
+ if (!mtd->lock_user_prot_reg)
+ return -EOPNOTSUPP;
+ ret = mtd->lock_user_prot_reg(mtd, info.start, info.length);
+ break;
+ }
+#endif
+
+ case ECCGETLAYOUT:
+ {
+ if (!mtd->ecclayout)
+ return -EOPNOTSUPP;
+
+ if (copy_to_user(argp, mtd->ecclayout,
+ sizeof(struct nand_ecclayout)))
+ return -EFAULT;
+ break;
+ }
+
+ case ECCGETSTATS:
+ {
+ if (copy_to_user(argp, &mtd->ecc_stats,
+ sizeof(struct mtd_ecc_stats)))
+ return -EFAULT;
+ break;
+ }
+
+ case MTDFILEMODE:
+ {
+ mfi->mode = 0;
+
+ switch(arg) {
+ case MTD_MODE_OTP_FACTORY:
+ case MTD_MODE_OTP_USER:
+ ret = otp_select_filemode(mfi, arg);
+ break;
+
+ case MTD_MODE_RAW:
+ if (!mtd->read_oob || !mtd->write_oob)
+ return -EOPNOTSUPP;
+ mfi->mode = arg;
+
+ case MTD_MODE_NORMAL:
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ file->f_pos = 0;
+ break;
+ }
+