28  * 256). Thus one "security register" maps to one OTP region.
155 static int spi_nor_otp_lock_bit_cr(unsigned int region)  in spi_nor_otp_lock_bit_cr()  argument
159 	if (region >= ARRAY_SIZE(lock_bits))  in spi_nor_otp_lock_bit_cr()
162 	return lock_bits[region];  in spi_nor_otp_lock_bit_cr()
166  * spi_nor_otp_lock_sr2() - lock the OTP region
168  * @region:     OTP region
170  * Lock the OTP region by writing the status register-2. This method is used on
175 int spi_nor_otp_lock_sr2(struct spi_nor *nor, unsigned int region)  in spi_nor_otp_lock_sr2()  argument
180 	lock_bit = spi_nor_otp_lock_bit_cr(region);  in spi_nor_otp_lock_sr2()
188 	/* no need to write the register if region is already locked */  in spi_nor_otp_lock_sr2()
198  * spi_nor_otp_is_locked_sr2() - get the OTP region lock status
200  * @region:     OTP region
202  * Retrieve the OTP region lock bit by reading the status register-2. This
207 int spi_nor_otp_is_locked_sr2(struct spi_nor *nor, unsigned int region)  in spi_nor_otp_is_locked_sr2()  argument
212 	lock_bit = spi_nor_otp_lock_bit_cr(region);  in spi_nor_otp_is_locked_sr2()
223 static loff_t spi_nor_otp_region_start(const struct spi_nor *nor, unsigned int region)  in spi_nor_otp_region_start()  argument
227 	return org->base + region * org->offset;  in spi_nor_otp_region_start()
236 static loff_t spi_nor_otp_region_to_offset(struct spi_nor *nor, unsigned int region)  in spi_nor_otp_region_to_offset()  argument
238 	return region * spi_nor_otp_region_len(nor);  in spi_nor_otp_region_to_offset()
288 	unsigned int region;  in spi_nor_mtd_otp_range_is_locked()  local
295 	for (region = spi_nor_otp_offset_to_region(nor, ofs);  in spi_nor_mtd_otp_range_is_locked()
296 	     region <= spi_nor_otp_offset_to_region(nor, ofs + len - 1);  in spi_nor_mtd_otp_range_is_locked()
297 	     region++) {  in spi_nor_mtd_otp_range_is_locked()
298 		locked = ops->is_locked(nor, region);  in spi_nor_mtd_otp_range_is_locked()
315 	unsigned int region;  in spi_nor_mtd_otp_read_write()  local
346 		 * file offsets to the address of an OTP region as used in the  in spi_nor_mtd_otp_read_write()
349 		region = spi_nor_otp_offset_to_region(nor, ofs);  in spi_nor_mtd_otp_read_write()
350 		rstart = spi_nor_otp_region_start(nor, region);  in spi_nor_mtd_otp_read_write()
353 		 * The size of a OTP region is expected to be a power of two,  in spi_nor_mtd_otp_read_write()
355 		 * a region.  in spi_nor_mtd_otp_read_write()
359 		/* don't access beyond one OTP region */  in spi_nor_mtd_otp_read_write()
400 	unsigned int region;  in spi_nor_mtd_otp_erase()  local
431 		region = spi_nor_otp_offset_to_region(nor, from);  in spi_nor_mtd_otp_erase()
432 		rstart = spi_nor_otp_region_start(nor, region);  in spi_nor_mtd_otp_erase()
453 	unsigned int region;  in spi_nor_mtd_otp_lock()  local
468 		region = spi_nor_otp_offset_to_region(nor, from);  in spi_nor_mtd_otp_lock()
469 		ret = ops->lock(nor, region);  in spi_nor_mtd_otp_lock()