453 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_wunit_to_pairing_info()  local
454 	int npairs = mtd_wunit_per_eb(master) / mtd_pairing_groups(master);  in mtd_wunit_to_pairing_info()
459 	if (master->pairing && master->pairing->get_info)  in mtd_wunit_to_pairing_info()
460 		return master->pairing->get_info(master, wunit, info);  in mtd_wunit_to_pairing_info()
496 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_info_to_wunit()  local
497 	int ngroups = mtd_pairing_groups(master);  in mtd_pairing_info_to_wunit()
498 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_pairing_info_to_wunit()
504 	if (master->pairing && master->pairing->get_wunit)  in mtd_pairing_info_to_wunit()
505 		return mtd->pairing->get_wunit(master, info);  in mtd_pairing_info_to_wunit()
523 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_groups()  local
525 	if (!master->pairing || !master->pairing->ngroups)  in mtd_pairing_groups()
528 	return master->pairing->ngroups;  in mtd_pairing_groups()
644 	struct mtd_info *master = mtd_get_master(mtd);  in add_mtd_device()  local
666 	if (WARN_ON((!mtd->erasesize || !master->_erase) &&  in add_mtd_device()
679 	    (!mtd_is_partition(mtd) || master->type != MTD_MLCNANDFLASH ||  in add_mtd_device()
680 	     !master->pairing || master->_writev))  in add_mtd_device()
705 		int ngroups = mtd_pairing_groups(master);  in add_mtd_device()
708 		mtd->size = (u64)mtd_div_by_eb(mtd->size, master) *  in add_mtd_device()
848 	mutex_init(&mtd->master.partitions_lock);  in mtd_set_dev_defaults()
849 	mutex_init(&mtd->master.chrdev_lock);  in mtd_set_dev_defaults()
1113 int mtd_device_unregister(struct mtd_info *master)  in mtd_device_unregister()  argument
1117 	if (master->_reboot) {  in mtd_device_unregister()
1118 		unregister_reboot_notifier(&master->reboot_notifier);  in mtd_device_unregister()
1119 		memset(&master->reboot_notifier, 0, sizeof(master->reboot_notifier));  in mtd_device_unregister()
1122 	nvmem_unregister(master->otp_user_nvmem);  in mtd_device_unregister()
1123 	nvmem_unregister(master->otp_factory_nvmem);  in mtd_device_unregister()
1125 	err = del_mtd_partitions(master);  in mtd_device_unregister()
1129 	if (!device_is_registered(&master->dev))  in mtd_device_unregister()
1132 	return del_mtd_device(master);  in mtd_device_unregister()
1235 	struct mtd_info *master = mtd_get_master(mtd);  in __get_mtd_device()  local
1238 	if (master->_get_device) {  in __get_mtd_device()
1239 		err = master->_get_device(mtd);  in __get_mtd_device()
1244 	if (!try_module_get(master->owner)) {  in __get_mtd_device()
1245 		if (master->_put_device)  in __get_mtd_device()
1246 			master->_put_device(master);  in __get_mtd_device()
1251 		if (mtd != master)  in __get_mtd_device()
1257 		kref_get(&master->refcnt);  in __get_mtd_device()
1340 	struct mtd_info *master = mtd_get_master(mtd);  in __put_mtd_device()  local
1346 		if (mtd != master)  in __put_mtd_device()
1352 		kref_put(&master->refcnt, mtd_device_release);  in __put_mtd_device()
1354 	module_put(master->owner);  in __put_mtd_device()
1357 	if (master->_put_device)  in __put_mtd_device()
1358 		master->_put_device(master);  in __put_mtd_device()
1369 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase()  local
1377 	if (!mtd->erasesize || !master->_erase)  in mtd_erase()
1392 				master->erasesize;  in mtd_erase()
1394 				master->erasesize) -  in mtd_erase()
1400 	ret = master->_erase(master, &adjinstr);  in mtd_erase()
1406 							 master);  in mtd_erase()
1421 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_point()  local
1427 	if (!master->_point)  in mtd_point()
1435 	return master->_point(master, from, len, retlen, virt, phys);  in mtd_point()
1442 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unpoint()  local
1444 	if (!master->_unpoint)  in mtd_unpoint()
1450 	return master->_unpoint(master, mtd_get_master_ofs(mtd, from), len);  in mtd_unpoint()
1477 static void mtd_update_ecc_stats(struct mtd_info *mtd, struct mtd_info *master,  in mtd_update_ecc_stats()  argument
1482 	if (master == mtd)  in mtd_update_ecc_stats()
1485 	diff = master->ecc_stats;  in mtd_update_ecc_stats()
1538 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_panic_write()  local
1541 	if (!master->_panic_write)  in mtd_panic_write()
1549 	if (!master->oops_panic_write)  in mtd_panic_write()
1550 		master->oops_panic_write = true;  in mtd_panic_write()
1552 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,  in mtd_panic_write()
1593 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob_std()  local
1597 	if (master->_read_oob)  in mtd_read_oob_std()
1598 		ret = master->_read_oob(master, from, ops);  in mtd_read_oob_std()
1600 		ret = master->_read(master, from, ops->len, &ops->retlen,  in mtd_read_oob_std()
1609 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob_std()  local
1613 	if (master->_write_oob)  in mtd_write_oob_std()
1614 		ret = master->_write_oob(master, to, ops);  in mtd_write_oob_std()
1616 		ret = master->_write(master, to, ops->len, &ops->retlen,  in mtd_write_oob_std()
1625 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_io_emulated_slc()  local
1626 	int ngroups = mtd_pairing_groups(master);  in mtd_io_emulated_slc()
1627 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_io_emulated_slc()
1636 	base = (loff_t)mtd_div_by_eb(start, mtd) * master->erasesize;  in mtd_io_emulated_slc()
1647 			base += master->erasesize;  in mtd_io_emulated_slc()
1650 		wunit = mtd_pairing_info_to_wunit(master, &info);  in mtd_io_emulated_slc()
1687 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob()  local
1688 	struct mtd_ecc_stats old_stats = master->ecc_stats;  in mtd_read_oob()
1700 	if (!master->_read_oob && (!master->_read || ops->oobbuf))  in mtd_read_oob()
1711 	mtd_update_ecc_stats(mtd, master, &old_stats);  in mtd_read_oob()
1732 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob()  local
1747 	if (!master->_write_oob && (!master->_write || ops->oobbuf))  in mtd_write_oob()
1776 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_ecc()  local
1780 	if (!master || section < 0)  in mtd_ooblayout_ecc()
1783 	if (!master->ooblayout || !master->ooblayout->ecc)  in mtd_ooblayout_ecc()
1786 	return master->ooblayout->ecc(master, section, oobecc);  in mtd_ooblayout_ecc()
1810 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_free()  local
1814 	if (!master || section < 0)  in mtd_ooblayout_free()
1817 	if (!master->ooblayout || !master->ooblayout->free)  in mtd_ooblayout_free()
1820 	return master->ooblayout->free(master, section, oobfree);  in mtd_ooblayout_free()
2129 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_fact_prot_info()  local
2131 	if (!master->_get_fact_prot_info)  in mtd_get_fact_prot_info()
2135 	return master->_get_fact_prot_info(master, len, retlen, buf);  in mtd_get_fact_prot_info()
2142 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_fact_prot_reg()  local
2145 	if (!master->_read_fact_prot_reg)  in mtd_read_fact_prot_reg()
2149 	return master->_read_fact_prot_reg(master, from, len, retlen, buf);  in mtd_read_fact_prot_reg()
2156 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_user_prot_info()  local
2158 	if (!master->_get_user_prot_info)  in mtd_get_user_prot_info()
2162 	return master->_get_user_prot_info(master, len, retlen, buf);  in mtd_get_user_prot_info()
2169 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_user_prot_reg()  local
2172 	if (!master->_read_user_prot_reg)  in mtd_read_user_prot_reg()
2176 	return master->_read_user_prot_reg(master, from, len, retlen, buf);  in mtd_read_user_prot_reg()
2183 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_user_prot_reg()  local
2187 	if (!master->_write_user_prot_reg)  in mtd_write_user_prot_reg()
2191 	ret = master->_write_user_prot_reg(master, to, len, retlen, buf);  in mtd_write_user_prot_reg()
2205 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock_user_prot_reg()  local
2207 	if (!master->_lock_user_prot_reg)  in mtd_lock_user_prot_reg()
2211 	return master->_lock_user_prot_reg(master, from, len);  in mtd_lock_user_prot_reg()
2217 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase_user_prot_reg()  local
2219 	if (!master->_erase_user_prot_reg)  in mtd_erase_user_prot_reg()
2223 	return master->_erase_user_prot_reg(master, from, len);  in mtd_erase_user_prot_reg()
2230 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock()  local
2232 	if (!master->_lock)  in mtd_lock()
2240 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_lock()
2241 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_lock()
2244 	return master->_lock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_lock()
2250 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unlock()  local
2252 	if (!master->_unlock)  in mtd_unlock()
2260 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_unlock()
2261 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_unlock()
2264 	return master->_unlock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_unlock()
2270 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_is_locked()  local
2272 	if (!master->_is_locked)  in mtd_is_locked()
2280 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_is_locked()
2281 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_is_locked()
2284 	return master->_is_locked(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_is_locked()
2290 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isreserved()  local
2294 	if (!master->_block_isreserved)  in mtd_block_isreserved()
2298 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isreserved()
2300 	return master->_block_isreserved(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isreserved()
2306 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isbad()  local
2310 	if (!master->_block_isbad)  in mtd_block_isbad()
2314 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isbad()
2316 	return master->_block_isbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isbad()
2322 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_markbad()  local
2325 	if (!master->_block_markbad)  in mtd_block_markbad()
2333 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_markbad()
2335 	ret = master->_block_markbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_markbad()
2394 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_writev()  local
2400 	if (!master->_writev)  in mtd_writev()
2403 	return master->_writev(master, vecs, count,  in mtd_writev()