504 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_wunit_to_pairing_info()  local
505 	int npairs = mtd_wunit_per_eb(master) / mtd_pairing_groups(master);  in mtd_wunit_to_pairing_info()
510 	if (master->pairing && master->pairing->get_info)  in mtd_wunit_to_pairing_info()
511 		return master->pairing->get_info(master, wunit, info);  in mtd_wunit_to_pairing_info()
547 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_info_to_wunit()  local
548 	int ngroups = mtd_pairing_groups(master);  in mtd_pairing_info_to_wunit()
549 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_pairing_info_to_wunit()
555 	if (master->pairing && master->pairing->get_wunit)  in mtd_pairing_info_to_wunit()
556 		return mtd->pairing->get_wunit(master, info);  in mtd_pairing_info_to_wunit()
574 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_groups()  local
576 	if (!master->pairing || !master->pairing->ngroups)  in mtd_pairing_groups()
579 	return master->pairing->ngroups;  in mtd_pairing_groups()
696 	struct mtd_info *master = mtd_get_master(mtd);  in add_mtd_device()  local
718 	if (WARN_ON((!mtd->erasesize || !master->_erase) &&  in add_mtd_device()
731 	    (!mtd_is_partition(mtd) || master->type != MTD_MLCNANDFLASH ||  in add_mtd_device()
732 	     !master->pairing || master->_writev))  in add_mtd_device()
757 		int ngroups = mtd_pairing_groups(master);  in add_mtd_device()
760 		mtd->size = (u64)mtd_div_by_eb(mtd->size, master) *  in add_mtd_device()
903 	mutex_init(&mtd->master.partitions_lock);  in mtd_set_dev_defaults()
904 	mutex_init(&mtd->master.chrdev_lock);  in mtd_set_dev_defaults()
1177 int mtd_device_unregister(struct mtd_info *master)  in mtd_device_unregister()  argument
1181 	if (master->_reboot) {  in mtd_device_unregister()
1182 		unregister_reboot_notifier(&master->reboot_notifier);  in mtd_device_unregister()
1183 		memset(&master->reboot_notifier, 0, sizeof(master->reboot_notifier));  in mtd_device_unregister()
1186 	nvmem_unregister(master->otp_user_nvmem);  in mtd_device_unregister()
1187 	nvmem_unregister(master->otp_factory_nvmem);  in mtd_device_unregister()
1189 	err = del_mtd_partitions(master);  in mtd_device_unregister()
1193 	if (!device_is_registered(&master->dev))  in mtd_device_unregister()
1196 	return del_mtd_device(master);  in mtd_device_unregister()
1299 	struct mtd_info *master = mtd_get_master(mtd);  in __get_mtd_device()  local
1302 	if (master->_get_device) {  in __get_mtd_device()
1303 		err = master->_get_device(mtd);  in __get_mtd_device()
1308 	if (!try_module_get(master->owner)) {  in __get_mtd_device()
1309 		if (master->_put_device)  in __get_mtd_device()
1310 			master->_put_device(master);  in __get_mtd_device()
1315 		if (mtd != master)  in __get_mtd_device()
1321 		kref_get(&master->refcnt);  in __get_mtd_device()
1404 	struct mtd_info *master = mtd_get_master(mtd);  in __put_mtd_device()  local
1410 		if (mtd != master)  in __put_mtd_device()
1416 		kref_put(&master->refcnt, mtd_device_release);  in __put_mtd_device()
1418 	module_put(master->owner);  in __put_mtd_device()
1421 	if (master->_put_device)  in __put_mtd_device()
1422 		master->_put_device(master);  in __put_mtd_device()
1433 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase()  local
1441 	if (!mtd->erasesize || !master->_erase)  in mtd_erase()
1456 				master->erasesize;  in mtd_erase()
1458 				master->erasesize) -  in mtd_erase()
1464 	ret = master->_erase(master, &adjinstr);  in mtd_erase()
1470 							 master);  in mtd_erase()
1486 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_point()  local
1492 	if (!master->_point)  in mtd_point()
1500 	return master->_point(master, from, len, retlen, virt, phys);  in mtd_point()
1507 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unpoint()  local
1509 	if (!master->_unpoint)  in mtd_unpoint()
1515 	return master->_unpoint(master, mtd_get_master_ofs(mtd, from), len);  in mtd_unpoint()
1542 static void mtd_update_ecc_stats(struct mtd_info *mtd, struct mtd_info *master,  in mtd_update_ecc_stats()  argument
1547 	if (master == mtd)  in mtd_update_ecc_stats()
1550 	diff = master->ecc_stats;  in mtd_update_ecc_stats()
1607 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_panic_write()  local
1610 	if (!master->_panic_write)  in mtd_panic_write()
1618 	if (!master->oops_panic_write)  in mtd_panic_write()
1619 		master->oops_panic_write = true;  in mtd_panic_write()
1621 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,  in mtd_panic_write()
1662 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob_std()  local
1666 	if (master->_read_oob)  in mtd_read_oob_std()
1667 		ret = master->_read_oob(master, from, ops);  in mtd_read_oob_std()
1669 		ret = master->_read(master, from, ops->len, &ops->retlen,  in mtd_read_oob_std()
1678 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob_std()  local
1682 	if (master->_write_oob)  in mtd_write_oob_std()
1683 		ret = master->_write_oob(master, to, ops);  in mtd_write_oob_std()
1685 		ret = master->_write(master, to, ops->len, &ops->retlen,  in mtd_write_oob_std()
1694 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_io_emulated_slc()  local
1695 	int ngroups = mtd_pairing_groups(master);  in mtd_io_emulated_slc()
1696 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_io_emulated_slc()
1705 	base = (loff_t)mtd_div_by_eb(start, mtd) * master->erasesize;  in mtd_io_emulated_slc()
1716 			base += master->erasesize;  in mtd_io_emulated_slc()
1719 		wunit = mtd_pairing_info_to_wunit(master, &info);  in mtd_io_emulated_slc()
1756 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob()  local
1757 	struct mtd_ecc_stats old_stats = master->ecc_stats;  in mtd_read_oob()
1769 	if (!master->_read_oob && (!master->_read || ops->oobbuf))  in mtd_read_oob()
1780 	mtd_update_ecc_stats(mtd, master, &old_stats);  in mtd_read_oob()
1801 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob()  local
1816 	if (!master->_write_oob && (!master->_write || ops->oobbuf))  in mtd_write_oob()
1845 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_ecc()  local
1849 	if (!master || section < 0)  in mtd_ooblayout_ecc()
1852 	if (!master->ooblayout || !master->ooblayout->ecc)  in mtd_ooblayout_ecc()
1855 	return master->ooblayout->ecc(master, section, oobecc);  in mtd_ooblayout_ecc()
1879 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_free()  local
1883 	if (!master || section < 0)  in mtd_ooblayout_free()
1886 	if (!master->ooblayout || !master->ooblayout->free)  in mtd_ooblayout_free()
1889 	return master->ooblayout->free(master, section, oobfree);  in mtd_ooblayout_free()
2198 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_fact_prot_info()  local
2200 	if (!master->_get_fact_prot_info)  in mtd_get_fact_prot_info()
2204 	return master->_get_fact_prot_info(master, len, retlen, buf);  in mtd_get_fact_prot_info()
2211 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_fact_prot_reg()  local
2214 	if (!master->_read_fact_prot_reg)  in mtd_read_fact_prot_reg()
2218 	return master->_read_fact_prot_reg(master, from, len, retlen, buf);  in mtd_read_fact_prot_reg()
2225 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_user_prot_info()  local
2227 	if (!master->_get_user_prot_info)  in mtd_get_user_prot_info()
2231 	return master->_get_user_prot_info(master, len, retlen, buf);  in mtd_get_user_prot_info()
2238 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_user_prot_reg()  local
2241 	if (!master->_read_user_prot_reg)  in mtd_read_user_prot_reg()
2245 	return master->_read_user_prot_reg(master, from, len, retlen, buf);  in mtd_read_user_prot_reg()
2252 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_user_prot_reg()  local
2256 	if (!master->_write_user_prot_reg)  in mtd_write_user_prot_reg()
2260 	ret = master->_write_user_prot_reg(master, to, len, retlen, buf);  in mtd_write_user_prot_reg()
2274 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock_user_prot_reg()  local
2276 	if (!master->_lock_user_prot_reg)  in mtd_lock_user_prot_reg()
2280 	return master->_lock_user_prot_reg(master, from, len);  in mtd_lock_user_prot_reg()
2286 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase_user_prot_reg()  local
2288 	if (!master->_erase_user_prot_reg)  in mtd_erase_user_prot_reg()
2292 	return master->_erase_user_prot_reg(master, from, len);  in mtd_erase_user_prot_reg()
2299 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock()  local
2301 	if (!master->_lock)  in mtd_lock()
2309 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_lock()
2310 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_lock()
2313 	return master->_lock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_lock()
2319 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unlock()  local
2321 	if (!master->_unlock)  in mtd_unlock()
2329 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_unlock()
2330 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_unlock()
2333 	return master->_unlock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_unlock()
2339 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_is_locked()  local
2341 	if (!master->_is_locked)  in mtd_is_locked()
2349 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_is_locked()
2350 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_is_locked()
2353 	return master->_is_locked(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_is_locked()
2359 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isreserved()  local
2363 	if (!master->_block_isreserved)  in mtd_block_isreserved()
2367 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isreserved()
2369 	return master->_block_isreserved(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isreserved()
2375 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isbad()  local
2379 	if (!master->_block_isbad)  in mtd_block_isbad()
2383 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isbad()
2385 	return master->_block_isbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isbad()
2391 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_markbad()  local
2395 	if (!master->_block_markbad)  in mtd_block_markbad()
2403 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_markbad()
2407 	if (master->_block_isbad) {  in mtd_block_markbad()
2408 		ret = master->_block_isbad(master, moffs);  in mtd_block_markbad()
2413 	ret = master->_block_markbad(master, moffs);  in mtd_block_markbad()
2473 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_writev()  local
2479 	if (!master->_writev)  in mtd_writev()
2482 	return master->_writev(master, vecs, count,  in mtd_writev()