423 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_wunit_to_pairing_info()  local
424 	int npairs = mtd_wunit_per_eb(master) / mtd_pairing_groups(master);  in mtd_wunit_to_pairing_info()
429 	if (master->pairing && master->pairing->get_info)  in mtd_wunit_to_pairing_info()
430 		return master->pairing->get_info(master, wunit, info);  in mtd_wunit_to_pairing_info()
466 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_info_to_wunit()  local
467 	int ngroups = mtd_pairing_groups(master);  in mtd_pairing_info_to_wunit()
468 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_pairing_info_to_wunit()
474 	if (master->pairing && master->pairing->get_wunit)  in mtd_pairing_info_to_wunit()
475 		return mtd->pairing->get_wunit(master, info);  in mtd_pairing_info_to_wunit()
493 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_groups()  local
495 	if (!master->pairing || !master->pairing->ngroups)  in mtd_pairing_groups()
498 	return master->pairing->ngroups;  in mtd_pairing_groups()
623 	struct mtd_info *master = mtd_get_master(mtd);  in add_mtd_device()  local
645 	if (WARN_ON((!mtd->erasesize || !master->_erase) &&  in add_mtd_device()
658 	    (!mtd_is_partition(mtd) || master->type != MTD_MLCNANDFLASH ||  in add_mtd_device()
659 	     !master->pairing || master->_writev))  in add_mtd_device()
684 		int ngroups = mtd_pairing_groups(master);  in add_mtd_device()
687 		mtd->size = (u64)mtd_div_by_eb(mtd->size, master) *  in add_mtd_device()
833 	mutex_init(&mtd->master.partitions_lock);  in mtd_set_dev_defaults()
834 	mutex_init(&mtd->master.chrdev_lock);  in mtd_set_dev_defaults()
1072 int mtd_device_unregister(struct mtd_info *master)  in mtd_device_unregister()  argument
1076 	if (master->_reboot) {  in mtd_device_unregister()
1077 		unregister_reboot_notifier(&master->reboot_notifier);  in mtd_device_unregister()
1078 		memset(&master->reboot_notifier, 0, sizeof(master->reboot_notifier));  in mtd_device_unregister()
1081 	nvmem_unregister(master->otp_user_nvmem);  in mtd_device_unregister()
1082 	nvmem_unregister(master->otp_factory_nvmem);  in mtd_device_unregister()
1084 	err = del_mtd_partitions(master);  in mtd_device_unregister()
1088 	if (!device_is_registered(&master->dev))  in mtd_device_unregister()
1091 	return del_mtd_device(master);  in mtd_device_unregister()
1194 	struct mtd_info *master = mtd_get_master(mtd);  in __get_mtd_device()  local
1197 	if (!try_module_get(master->owner))  in __get_mtd_device()
1200 	if (master->_get_device) {  in __get_mtd_device()
1201 		err = master->_get_device(mtd);  in __get_mtd_device()
1204 			module_put(master->owner);  in __get_mtd_device()
1209 	master->usecount++;  in __get_mtd_device()
1297 	struct mtd_info *master = mtd_get_master(mtd);  in __put_mtd_device()  local
1305 	master->usecount--;  in __put_mtd_device()
1307 	if (master->_put_device)  in __put_mtd_device()
1308 		master->_put_device(master);  in __put_mtd_device()
1310 	module_put(master->owner);  in __put_mtd_device()
1321 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase()  local
1329 	if (!mtd->erasesize || !master->_erase)  in mtd_erase()
1344 				master->erasesize;  in mtd_erase()
1346 				master->erasesize) -  in mtd_erase()
1352 	ret = master->_erase(master, &adjinstr);  in mtd_erase()
1358 							 master);  in mtd_erase()
1373 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_point()  local
1379 	if (!master->_point)  in mtd_point()
1387 	return master->_point(master, from, len, retlen, virt, phys);  in mtd_point()
1394 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unpoint()  local
1396 	if (!master->_unpoint)  in mtd_unpoint()
1402 	return master->_unpoint(master, mtd_get_master_ofs(mtd, from), len);  in mtd_unpoint()
1429 static void mtd_update_ecc_stats(struct mtd_info *mtd, struct mtd_info *master,  in mtd_update_ecc_stats()  argument
1434 	if (master == mtd)  in mtd_update_ecc_stats()
1437 	diff = master->ecc_stats;  in mtd_update_ecc_stats()
1490 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_panic_write()  local
1493 	if (!master->_panic_write)  in mtd_panic_write()
1501 	if (!master->oops_panic_write)  in mtd_panic_write()
1502 		master->oops_panic_write = true;  in mtd_panic_write()
1504 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,  in mtd_panic_write()
1545 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob_std()  local
1549 	if (master->_read_oob)  in mtd_read_oob_std()
1550 		ret = master->_read_oob(master, from, ops);  in mtd_read_oob_std()
1552 		ret = master->_read(master, from, ops->len, &ops->retlen,  in mtd_read_oob_std()
1561 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob_std()  local
1565 	if (master->_write_oob)  in mtd_write_oob_std()
1566 		ret = master->_write_oob(master, to, ops);  in mtd_write_oob_std()
1568 		ret = master->_write(master, to, ops->len, &ops->retlen,  in mtd_write_oob_std()
1577 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_io_emulated_slc()  local
1578 	int ngroups = mtd_pairing_groups(master);  in mtd_io_emulated_slc()
1579 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_io_emulated_slc()
1588 	base = (loff_t)mtd_div_by_eb(start, mtd) * master->erasesize;  in mtd_io_emulated_slc()
1599 			base += master->erasesize;  in mtd_io_emulated_slc()
1602 		wunit = mtd_pairing_info_to_wunit(master, &info);  in mtd_io_emulated_slc()
1639 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob()  local
1640 	struct mtd_ecc_stats old_stats = master->ecc_stats;  in mtd_read_oob()
1652 	if (!master->_read_oob && (!master->_read || ops->oobbuf))  in mtd_read_oob()
1663 	mtd_update_ecc_stats(mtd, master, &old_stats);  in mtd_read_oob()
1684 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob()  local
1699 	if (!master->_write_oob && (!master->_write || ops->oobbuf))  in mtd_write_oob()
1728 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_ecc()  local
1732 	if (!master || section < 0)  in mtd_ooblayout_ecc()
1735 	if (!master->ooblayout || !master->ooblayout->ecc)  in mtd_ooblayout_ecc()
1738 	return master->ooblayout->ecc(master, section, oobecc);  in mtd_ooblayout_ecc()
1762 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_free()  local
1766 	if (!master || section < 0)  in mtd_ooblayout_free()
1769 	if (!master->ooblayout || !master->ooblayout->free)  in mtd_ooblayout_free()
1772 	return master->ooblayout->free(master, section, oobfree);  in mtd_ooblayout_free()
2081 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_fact_prot_info()  local
2083 	if (!master->_get_fact_prot_info)  in mtd_get_fact_prot_info()
2087 	return master->_get_fact_prot_info(master, len, retlen, buf);  in mtd_get_fact_prot_info()
2094 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_fact_prot_reg()  local
2097 	if (!master->_read_fact_prot_reg)  in mtd_read_fact_prot_reg()
2101 	return master->_read_fact_prot_reg(master, from, len, retlen, buf);  in mtd_read_fact_prot_reg()
2108 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_user_prot_info()  local
2110 	if (!master->_get_user_prot_info)  in mtd_get_user_prot_info()
2114 	return master->_get_user_prot_info(master, len, retlen, buf);  in mtd_get_user_prot_info()
2121 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_user_prot_reg()  local
2124 	if (!master->_read_user_prot_reg)  in mtd_read_user_prot_reg()
2128 	return master->_read_user_prot_reg(master, from, len, retlen, buf);  in mtd_read_user_prot_reg()
2135 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_user_prot_reg()  local
2139 	if (!master->_write_user_prot_reg)  in mtd_write_user_prot_reg()
2143 	ret = master->_write_user_prot_reg(master, to, len, retlen, buf);  in mtd_write_user_prot_reg()
2157 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock_user_prot_reg()  local
2159 	if (!master->_lock_user_prot_reg)  in mtd_lock_user_prot_reg()
2163 	return master->_lock_user_prot_reg(master, from, len);  in mtd_lock_user_prot_reg()
2169 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase_user_prot_reg()  local
2171 	if (!master->_erase_user_prot_reg)  in mtd_erase_user_prot_reg()
2175 	return master->_erase_user_prot_reg(master, from, len);  in mtd_erase_user_prot_reg()
2182 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock()  local
2184 	if (!master->_lock)  in mtd_lock()
2192 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_lock()
2193 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_lock()
2196 	return master->_lock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_lock()
2202 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unlock()  local
2204 	if (!master->_unlock)  in mtd_unlock()
2212 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_unlock()
2213 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_unlock()
2216 	return master->_unlock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_unlock()
2222 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_is_locked()  local
2224 	if (!master->_is_locked)  in mtd_is_locked()
2232 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_is_locked()
2233 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_is_locked()
2236 	return master->_is_locked(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_is_locked()
2242 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isreserved()  local
2246 	if (!master->_block_isreserved)  in mtd_block_isreserved()
2250 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isreserved()
2252 	return master->_block_isreserved(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isreserved()
2258 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isbad()  local
2262 	if (!master->_block_isbad)  in mtd_block_isbad()
2266 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isbad()
2268 	return master->_block_isbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isbad()
2274 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_markbad()  local
2277 	if (!master->_block_markbad)  in mtd_block_markbad()
2285 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_markbad()
2287 	ret = master->_block_markbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_markbad()
2346 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_writev()  local
2352 	if (!master->_writev)  in mtd_writev()
2355 	return master->_writev(master, vecs, count,  in mtd_writev()