439 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_wunit_to_pairing_info()  local
440 	int npairs = mtd_wunit_per_eb(master) / mtd_pairing_groups(master);  in mtd_wunit_to_pairing_info()
445 	if (master->pairing && master->pairing->get_info)  in mtd_wunit_to_pairing_info()
446 		return master->pairing->get_info(master, wunit, info);  in mtd_wunit_to_pairing_info()
482 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_info_to_wunit()  local
483 	int ngroups = mtd_pairing_groups(master);  in mtd_pairing_info_to_wunit()
484 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_pairing_info_to_wunit()
490 	if (master->pairing && master->pairing->get_wunit)  in mtd_pairing_info_to_wunit()
491 		return mtd->pairing->get_wunit(master, info);  in mtd_pairing_info_to_wunit()
509 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_pairing_groups()  local
511 	if (!master->pairing || !master->pairing->ngroups)  in mtd_pairing_groups()
514 	return master->pairing->ngroups;  in mtd_pairing_groups()
574 	struct mtd_info *master = mtd_get_master(mtd);  in add_mtd_device()  local
596 	if (WARN_ON((!mtd->erasesize || !master->_erase) &&  in add_mtd_device()
609 	    (!mtd_is_partition(mtd) || master->type != MTD_MLCNANDFLASH ||  in add_mtd_device()
610 	     !master->pairing || master->_writev))  in add_mtd_device()
629 		int ngroups = mtd_pairing_groups(master);  in add_mtd_device()
632 		mtd->size = (u64)mtd_div_by_eb(mtd->size, master) *  in add_mtd_device()
775 	mutex_init(&mtd->master.partitions_lock);  in mtd_set_dev_defaults()
864 int mtd_device_unregister(struct mtd_info *master)  in mtd_device_unregister()  argument
868 	if (master->_reboot)  in mtd_device_unregister()
869 		unregister_reboot_notifier(&master->reboot_notifier);  in mtd_device_unregister()
871 	err = del_mtd_partitions(master);  in mtd_device_unregister()
875 	if (!device_is_registered(&master->dev))  in mtd_device_unregister()
878 	return del_mtd_device(master);  in mtd_device_unregister()
981 	struct mtd_info *master = mtd_get_master(mtd);  in __get_mtd_device()  local
984 	if (!try_module_get(master->owner))  in __get_mtd_device()
987 	if (master->_get_device) {  in __get_mtd_device()
988 		err = master->_get_device(mtd);  in __get_mtd_device()
991 			module_put(master->owner);  in __get_mtd_device()
1054 	struct mtd_info *master = mtd_get_master(mtd);  in __put_mtd_device()  local
1062 	if (master->_put_device)  in __put_mtd_device()
1063 		master->_put_device(master);  in __put_mtd_device()
1065 	module_put(master->owner);  in __put_mtd_device()
1076 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase()  local
1084 	if (!mtd->erasesize || !master->_erase)  in mtd_erase()
1099 				master->erasesize;  in mtd_erase()
1101 				master->erasesize) -  in mtd_erase()
1107 	ret = master->_erase(master, &adjinstr);  in mtd_erase()
1113 							 master);  in mtd_erase()
1128 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_point()  local
1134 	if (!master->_point)  in mtd_point()
1142 	return master->_point(master, from, len, retlen, virt, phys);  in mtd_point()
1149 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unpoint()  local
1151 	if (!master->_unpoint)  in mtd_unpoint()
1157 	return master->_unpoint(master, mtd_get_master_ofs(mtd, from), len);  in mtd_unpoint()
1184 static void mtd_update_ecc_stats(struct mtd_info *mtd, struct mtd_info *master,  in mtd_update_ecc_stats()  argument
1189 	if (master == mtd)  in mtd_update_ecc_stats()
1192 	diff = master->ecc_stats;  in mtd_update_ecc_stats()
1245 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_panic_write()  local
1248 	if (!master->_panic_write)  in mtd_panic_write()
1256 	if (!master->oops_panic_write)  in mtd_panic_write()
1257 		master->oops_panic_write = true;  in mtd_panic_write()
1259 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,  in mtd_panic_write()
1300 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob_std()  local
1304 	if (master->_read_oob)  in mtd_read_oob_std()
1305 		ret = master->_read_oob(master, from, ops);  in mtd_read_oob_std()
1307 		ret = master->_read(master, from, ops->len, &ops->retlen,  in mtd_read_oob_std()
1316 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob_std()  local
1320 	if (master->_write_oob)  in mtd_write_oob_std()
1321 		ret = master->_write_oob(master, to, ops);  in mtd_write_oob_std()
1323 		ret = master->_write(master, to, ops->len, &ops->retlen,  in mtd_write_oob_std()
1332 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_io_emulated_slc()  local
1333 	int ngroups = mtd_pairing_groups(master);  in mtd_io_emulated_slc()
1334 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_io_emulated_slc()
1343 	base = (loff_t)mtd_div_by_eb(start, mtd) * master->erasesize;  in mtd_io_emulated_slc()
1354 			base += master->erasesize;  in mtd_io_emulated_slc()
1357 		wunit = mtd_pairing_info_to_wunit(master, &info);  in mtd_io_emulated_slc()
1394 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob()  local
1395 	struct mtd_ecc_stats old_stats = master->ecc_stats;  in mtd_read_oob()
1407 	if (!master->_read_oob && (!master->_read || ops->oobbuf))  in mtd_read_oob()
1415 	mtd_update_ecc_stats(mtd, master, &old_stats);  in mtd_read_oob()
1434 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob()  local
1449 	if (!master->_write_oob && (!master->_write || ops->oobbuf))  in mtd_write_oob()
1478 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_ecc()  local
1482 	if (!master || section < 0)  in mtd_ooblayout_ecc()
1485 	if (!master->ooblayout || !master->ooblayout->ecc)  in mtd_ooblayout_ecc()
1488 	return master->ooblayout->ecc(master, section, oobecc);  in mtd_ooblayout_ecc()
1512 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_free()  local
1516 	if (!master || section < 0)  in mtd_ooblayout_free()
1519 	if (!master->ooblayout || !master->ooblayout->free)  in mtd_ooblayout_free()
1522 	return master->ooblayout->free(master, section, oobfree);  in mtd_ooblayout_free()
1831 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_fact_prot_info()  local
1833 	if (!master->_get_fact_prot_info)  in mtd_get_fact_prot_info()
1837 	return master->_get_fact_prot_info(master, len, retlen, buf);  in mtd_get_fact_prot_info()
1844 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_fact_prot_reg()  local
1847 	if (!master->_read_fact_prot_reg)  in mtd_read_fact_prot_reg()
1851 	return master->_read_fact_prot_reg(master, from, len, retlen, buf);  in mtd_read_fact_prot_reg()
1858 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_user_prot_info()  local
1860 	if (!master->_get_user_prot_info)  in mtd_get_user_prot_info()
1864 	return master->_get_user_prot_info(master, len, retlen, buf);  in mtd_get_user_prot_info()
1871 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_user_prot_reg()  local
1874 	if (!master->_read_user_prot_reg)  in mtd_read_user_prot_reg()
1878 	return master->_read_user_prot_reg(master, from, len, retlen, buf);  in mtd_read_user_prot_reg()
1885 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_user_prot_reg()  local
1889 	if (!master->_write_user_prot_reg)  in mtd_write_user_prot_reg()
1893 	ret = master->_write_user_prot_reg(master, to, len, retlen, buf);  in mtd_write_user_prot_reg()
1907 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock_user_prot_reg()  local
1909 	if (!master->_lock_user_prot_reg)  in mtd_lock_user_prot_reg()
1913 	return master->_lock_user_prot_reg(master, from, len);  in mtd_lock_user_prot_reg()
1920 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock()  local
1922 	if (!master->_lock)  in mtd_lock()
1930 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_lock()
1931 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_lock()
1934 	return master->_lock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_lock()
1940 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unlock()  local
1942 	if (!master->_unlock)  in mtd_unlock()
1950 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_unlock()
1951 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_unlock()
1954 	return master->_unlock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_unlock()
1960 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_is_locked()  local
1962 	if (!master->_is_locked)  in mtd_is_locked()
1970 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_is_locked()
1971 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_is_locked()
1974 	return master->_is_locked(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_is_locked()
1980 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isreserved()  local
1984 	if (!master->_block_isreserved)  in mtd_block_isreserved()
1988 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isreserved()
1990 	return master->_block_isreserved(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isreserved()
1996 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isbad()  local
2000 	if (!master->_block_isbad)  in mtd_block_isbad()
2004 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isbad()
2006 	return master->_block_isbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isbad()
2012 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_markbad()  local
2015 	if (!master->_block_markbad)  in mtd_block_markbad()
2023 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_markbad()
2025 	ret = master->_block_markbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_markbad()
2084 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_writev()  local
2090 	if (!master->_writev)  in mtd_writev()
2093 	return master->_writev(master, vecs, count,  in mtd_writev()