179 static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd)  in mtd_to_spi_nor()  argument
181 	return mtd->priv;  in mtd_to_spi_nor()
286 	dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd.size >> 10));  in erase_chip()
319 static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)  in spi_nor_erase()  argument
321 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_erase()
329 	div_u64_rem(instr->len, mtd->erasesize, &rem);  in spi_nor_erase()
341 	if (len == mtd->size) {  in spi_nor_erase()
359 			      (unsigned long)(mtd->size / SZ_2M));  in spi_nor_erase()
379 			addr += mtd->erasesize;  in spi_nor_erase()
380 			len -= mtd->erasesize;  in spi_nor_erase()
406 	struct mtd_info *mtd = &nor->mtd;  in stm_get_locked_range()  local
417 		*len = mtd->size >> pow;  in stm_get_locked_range()
418 		*ofs = mtd->size - *len;  in stm_get_locked_range()
461 	struct mtd_info *mtd = &nor->mtd;  in stm_lock()  local
469 	if (ofs + len != mtd->size) {  in stm_lock()
471 		if (!stm_is_locked_sr(nor, ofs + len, mtd->size - ofs - len,  in stm_lock()
474 		len = mtd->size - ofs;  in stm_lock()
486 	pow = ilog2(mtd->size) - ilog2(len);  in stm_lock()
511 	struct mtd_info *mtd = &nor->mtd;  in stm_unlock()  local
519 	if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize,  in stm_unlock()
532 	pow = ilog2(mtd->size) - order_base_2(mtd->size - (ofs + len));  in stm_unlock()
533 	if (ofs + len == mtd->size) {  in stm_unlock()
570 static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in spi_nor_lock()  argument
572 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_lock()
585 static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in spi_nor_unlock()  argument
587 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_unlock()
600 static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in spi_nor_is_locked()  argument
602 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_is_locked()
875 static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,  in spi_nor_read()  argument
878 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_read()
893 static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,  in sst_write()  argument
896 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in sst_write()
964 static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,  in spi_nor_write()  argument
967 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_write()
1109 	struct mtd_info *mtd = &nor->mtd;  in spi_nor_scan()  local
1164 	if (!mtd->name)  in spi_nor_scan()
1165 		mtd->name = dev_name(dev);  in spi_nor_scan()
1166 	mtd->priv = nor;  in spi_nor_scan()
1167 	mtd->type = MTD_NORFLASH;  in spi_nor_scan()
1168 	mtd->writesize = 1;  in spi_nor_scan()
1169 	mtd->flags = MTD_CAP_NORFLASH;  in spi_nor_scan()
1170 	mtd->size = info->sector_size * info->n_sectors;  in spi_nor_scan()
1171 	mtd->_erase = spi_nor_erase;  in spi_nor_scan()
1172 	mtd->_read = spi_nor_read;  in spi_nor_scan()
1182 		mtd->_lock = spi_nor_lock;  in spi_nor_scan()
1183 		mtd->_unlock = spi_nor_unlock;  in spi_nor_scan()
1184 		mtd->_is_locked = spi_nor_is_locked;  in spi_nor_scan()
1189 		mtd->_write = sst_write;  in spi_nor_scan()
1191 		mtd->_write = spi_nor_write;  in spi_nor_scan()
1200 		mtd->erasesize = 4096;  in spi_nor_scan()
1203 		mtd->erasesize = 4096;  in spi_nor_scan()
1208 		mtd->erasesize = info->sector_size;  in spi_nor_scan()
1212 		mtd->flags |= MTD_NO_ERASE;  in spi_nor_scan()
1214 	mtd->dev.parent = dev;  in spi_nor_scan()
1216 	mtd->writebufsize = nor->page_size;  in spi_nor_scan()
1268 	else if (mtd->size > 0x1000000) {  in spi_nor_scan()
1290 			mtd->erasesize = info->sector_size;  in spi_nor_scan()
1300 			(long long)mtd->size >> 10);  in spi_nor_scan()
1305 		mtd->name, (long long)mtd->size, (long long)(mtd->size >> 20),  in spi_nor_scan()
1306 		mtd->erasesize, mtd->erasesize / 1024, mtd->numeraseregions);  in spi_nor_scan()
1308 	if (mtd->numeraseregions)  in spi_nor_scan()
1309 		for (i = 0; i < mtd->numeraseregions; i++)  in spi_nor_scan()
1314 				i, (long long)mtd->eraseregions[i].offset,  in spi_nor_scan()
1315 				mtd->eraseregions[i].erasesize,  in spi_nor_scan()
1316 				mtd->eraseregions[i].erasesize / 1024,  in spi_nor_scan()
1317 				mtd->eraseregions[i].numblocks);  in spi_nor_scan()