629 static void stm_get_locked_range(struct spi_nor *nor, u8 sr, loff_t *ofs,  in stm_get_locked_range()  argument
639 		*ofs = 0;  in stm_get_locked_range()
645 			*ofs = 0;  in stm_get_locked_range()
647 			*ofs = mtd->size - *len;  in stm_get_locked_range()
655 static int stm_check_lock_status_sr(struct spi_nor *nor, loff_t ofs, u64 len,  in stm_check_lock_status_sr()  argument
668 		return (ofs + len <= lock_offs + lock_len) && (ofs >= lock_offs);  in stm_check_lock_status_sr()
671 		return (ofs >= lock_offs + lock_len) || (ofs + len <= lock_offs);  in stm_check_lock_status_sr()
674 static int stm_is_locked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len,  in stm_is_locked_sr()  argument
677 	return stm_check_lock_status_sr(nor, ofs, len, sr, true);  in stm_is_locked_sr()
680 static int stm_is_unlocked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len,  in stm_is_unlocked_sr()  argument
683 	return stm_check_lock_status_sr(nor, ofs, len, sr, false);  in stm_is_unlocked_sr()
718 static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)  in stm_lock()  argument
733 	if (stm_is_locked_sr(nor, ofs, len, status_old))  in stm_lock()
737 	if (!stm_is_locked_sr(nor, 0, ofs, status_old))  in stm_lock()
741 	if (!stm_is_locked_sr(nor, ofs + len, mtd->size - (ofs + len),  in stm_lock()
753 		lock_len = mtd->size - ofs;  in stm_lock()
755 		lock_len = ofs + len;  in stm_lock()
798 static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)  in stm_unlock()  argument
813 	if (stm_is_unlocked_sr(nor, ofs, len, status_old))  in stm_unlock()
817 	if (!stm_is_unlocked_sr(nor, 0, ofs, status_old))  in stm_unlock()
821 	if (!stm_is_unlocked_sr(nor, ofs + len, mtd->size - (ofs + len),  in stm_unlock()
833 		lock_len = mtd->size - (ofs + len);  in stm_unlock()
835 		lock_len = ofs;  in stm_unlock()
883 static int stm_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)  in stm_is_locked()  argument
891 	return stm_is_locked_sr(nor, ofs, len, status);  in stm_is_locked()
1018 static int sst26_lock_ctl(struct spi_nor *nor, loff_t ofs, uint64_t len, enum lock_ctl ctl)  in sst26_lock_ctl()  argument
1027 	if ((ofs & (SZ_64K - 1)) || (len & (SZ_64K - 1))) {  in sst26_lock_ctl()
1032 	if (ofs + len > mtd->size) {  in sst26_lock_ctl()
1034 			ofs, len, mtd->size);  in sst26_lock_ctl()
1052 	rptr_64k = min_t(u32, ofs + len, mtd->size - SST26_BOUND_REG_SIZE);  in sst26_lock_ctl()
1053 	lptr_64k = max_t(u32, ofs, SST26_BOUND_REG_SIZE);  in sst26_lock_ctl()
1055 	upper_64k = ((ofs + len) > (mtd->size - SST26_BOUND_REG_SIZE));  in sst26_lock_ctl()
1056 	lower_64k = (ofs < SST26_BOUND_REG_SIZE);  in sst26_lock_ctl()
1120 static int sst26_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)  in sst26_unlock()  argument
1122 	return sst26_lock_ctl(nor, ofs, len, SST26_CTL_UNLOCK);  in sst26_unlock()
1125 static int sst26_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)  in sst26_lock()  argument
1127 	return sst26_lock_ctl(nor, ofs, len, SST26_CTL_LOCK);  in sst26_lock()
1134 static int sst26_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)  in sst26_is_locked()  argument
1142 	ofs -= ofs & (SZ_64K - 1);  in sst26_is_locked()
1145 	return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK);  in sst26_is_locked()