166 static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd)  in mtd_to_spi_nor()  argument
168 	return mtd->priv;  in mtd_to_spi_nor()
266 	dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));  in erase_chip()
299 static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)  in spi_nor_erase()  argument
301 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_erase()
309 	div_u64_rem(instr->len, mtd->erasesize, &rem);  in spi_nor_erase()
321 	if (len == mtd->size) {  in spi_nor_erase()
348 			addr += mtd->erasesize;  in spi_nor_erase()
349 			len -= mtd->erasesize;  in spi_nor_erase()
374 	struct mtd_info *mtd = nor->mtd;  in stm_lock()  local
381 	if (offset < mtd->size - (mtd->size / 2))  in stm_lock()
383 	else if (offset < mtd->size - (mtd->size / 4))  in stm_lock()
385 	else if (offset < mtd->size - (mtd->size / 8))  in stm_lock()
387 	else if (offset < mtd->size - (mtd->size / 16))  in stm_lock()
389 	else if (offset < mtd->size - (mtd->size / 32))  in stm_lock()
391 	else if (offset < mtd->size - (mtd->size / 64))  in stm_lock()
408 	struct mtd_info *mtd = nor->mtd;  in stm_unlock()  local
415 	if (offset+len > mtd->size - (mtd->size / 64))  in stm_unlock()
417 	else if (offset+len > mtd->size - (mtd->size / 32))  in stm_unlock()
419 	else if (offset+len > mtd->size - (mtd->size / 16))  in stm_unlock()
421 	else if (offset+len > mtd->size - (mtd->size / 8))  in stm_unlock()
423 	else if (offset+len > mtd->size - (mtd->size / 4))  in stm_unlock()
425 	else if (offset+len > mtd->size - (mtd->size / 2))  in stm_unlock()
440 static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in spi_nor_lock()  argument
442 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_lock()
455 static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in spi_nor_unlock()  argument
457 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_unlock()
717 static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,  in spi_nor_read()  argument
720 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_read()
735 static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,  in sst_write()  argument
738 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in sst_write()
806 static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,  in spi_nor_write()  argument
809 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in spi_nor_write()
997 	struct mtd_info *mtd = nor->mtd;  in spi_nor_scan()  local
1055 	if (!mtd->name)  in spi_nor_scan()
1056 		mtd->name = dev_name(dev);  in spi_nor_scan()
1057 	mtd->type = MTD_NORFLASH;  in spi_nor_scan()
1058 	mtd->writesize = 1;  in spi_nor_scan()
1059 	mtd->flags = MTD_CAP_NORFLASH;  in spi_nor_scan()
1060 	mtd->size = info->sector_size * info->n_sectors;  in spi_nor_scan()
1061 	mtd->_erase = spi_nor_erase;  in spi_nor_scan()
1062 	mtd->_read = spi_nor_read;  in spi_nor_scan()
1071 		mtd->_lock = spi_nor_lock;  in spi_nor_scan()
1072 		mtd->_unlock = spi_nor_unlock;  in spi_nor_scan()
1077 		mtd->_write = sst_write;  in spi_nor_scan()
1079 		mtd->_write = spi_nor_write;  in spi_nor_scan()
1088 		mtd->erasesize = 4096;  in spi_nor_scan()
1091 		mtd->erasesize = 4096;  in spi_nor_scan()
1096 		mtd->erasesize = info->sector_size;  in spi_nor_scan()
1100 		mtd->flags |= MTD_NO_ERASE;  in spi_nor_scan()
1102 	mtd->dev.parent = dev;  in spi_nor_scan()
1104 	mtd->writebufsize = nor->page_size;  in spi_nor_scan()
1156 	else if (mtd->size > 0x1000000) {  in spi_nor_scan()
1178 			mtd->erasesize = info->sector_size;  in spi_nor_scan()
1188 			(long long)mtd->size >> 10);  in spi_nor_scan()
1193 		mtd->name, (long long)mtd->size, (long long)(mtd->size >> 20),  in spi_nor_scan()
1194 		mtd->erasesize, mtd->erasesize / 1024, mtd->numeraseregions);  in spi_nor_scan()
1196 	if (mtd->numeraseregions)  in spi_nor_scan()
1197 		for (i = 0; i < mtd->numeraseregions; i++)  in spi_nor_scan()
1202 				i, (long long)mtd->eraseregions[i].offset,  in spi_nor_scan()
1203 				mtd->eraseregions[i].erasesize,  in spi_nor_scan()
1204 				mtd->eraseregions[i].erasesize / 1024,  in spi_nor_scan()
1205 				mtd->eraseregions[i].numblocks);  in spi_nor_scan()