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()
867 int mtd_device_unregister(struct mtd_info *master)  in mtd_device_unregister()  argument
871 	if (master->_reboot)  in mtd_device_unregister()
872 		unregister_reboot_notifier(&master->reboot_notifier);  in mtd_device_unregister()
874 	err = del_mtd_partitions(master);  in mtd_device_unregister()
878 	if (!device_is_registered(&master->dev))  in mtd_device_unregister()
881 	return del_mtd_device(master);  in mtd_device_unregister()
984 	struct mtd_info *master = mtd_get_master(mtd);  in __get_mtd_device()  local
987 	if (!try_module_get(master->owner))  in __get_mtd_device()
990 	if (master->_get_device) {  in __get_mtd_device()
991 		err = master->_get_device(mtd);  in __get_mtd_device()
994 			module_put(master->owner);  in __get_mtd_device()
999 	master->usecount++;  in __get_mtd_device()
1059 	struct mtd_info *master = mtd_get_master(mtd);  in __put_mtd_device()  local
1067 	master->usecount--;  in __put_mtd_device()
1069 	if (master->_put_device)  in __put_mtd_device()
1070 		master->_put_device(master);  in __put_mtd_device()
1072 	module_put(master->owner);  in __put_mtd_device()
1083 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_erase()  local
1091 	if (!mtd->erasesize || !master->_erase)  in mtd_erase()
1106 				master->erasesize;  in mtd_erase()
1108 				master->erasesize) -  in mtd_erase()
1114 	ret = master->_erase(master, &adjinstr);  in mtd_erase()
1120 							 master);  in mtd_erase()
1135 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_point()  local
1141 	if (!master->_point)  in mtd_point()
1149 	return master->_point(master, from, len, retlen, virt, phys);  in mtd_point()
1156 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unpoint()  local
1158 	if (!master->_unpoint)  in mtd_unpoint()
1164 	return master->_unpoint(master, mtd_get_master_ofs(mtd, from), len);  in mtd_unpoint()
1191 static void mtd_update_ecc_stats(struct mtd_info *mtd, struct mtd_info *master,  in mtd_update_ecc_stats()  argument
1196 	if (master == mtd)  in mtd_update_ecc_stats()
1199 	diff = master->ecc_stats;  in mtd_update_ecc_stats()
1252 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_panic_write()  local
1255 	if (!master->_panic_write)  in mtd_panic_write()
1263 	if (!master->oops_panic_write)  in mtd_panic_write()
1264 		master->oops_panic_write = true;  in mtd_panic_write()
1266 	return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,  in mtd_panic_write()
1307 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob_std()  local
1311 	if (master->_read_oob)  in mtd_read_oob_std()
1312 		ret = master->_read_oob(master, from, ops);  in mtd_read_oob_std()
1314 		ret = master->_read(master, from, ops->len, &ops->retlen,  in mtd_read_oob_std()
1323 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob_std()  local
1327 	if (master->_write_oob)  in mtd_write_oob_std()
1328 		ret = master->_write_oob(master, to, ops);  in mtd_write_oob_std()
1330 		ret = master->_write(master, to, ops->len, &ops->retlen,  in mtd_write_oob_std()
1339 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_io_emulated_slc()  local
1340 	int ngroups = mtd_pairing_groups(master);  in mtd_io_emulated_slc()
1341 	int npairs = mtd_wunit_per_eb(master) / ngroups;  in mtd_io_emulated_slc()
1350 	base = (loff_t)mtd_div_by_eb(start, mtd) * master->erasesize;  in mtd_io_emulated_slc()
1361 			base += master->erasesize;  in mtd_io_emulated_slc()
1364 		wunit = mtd_pairing_info_to_wunit(master, &info);  in mtd_io_emulated_slc()
1401 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_oob()  local
1402 	struct mtd_ecc_stats old_stats = master->ecc_stats;  in mtd_read_oob()
1414 	if (!master->_read_oob && (!master->_read || ops->oobbuf))  in mtd_read_oob()
1422 	mtd_update_ecc_stats(mtd, master, &old_stats);  in mtd_read_oob()
1441 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_oob()  local
1456 	if (!master->_write_oob && (!master->_write || ops->oobbuf))  in mtd_write_oob()
1485 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_ecc()  local
1489 	if (!master || section < 0)  in mtd_ooblayout_ecc()
1492 	if (!master->ooblayout || !master->ooblayout->ecc)  in mtd_ooblayout_ecc()
1495 	return master->ooblayout->ecc(master, section, oobecc);  in mtd_ooblayout_ecc()
1519 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_ooblayout_free()  local
1523 	if (!master || section < 0)  in mtd_ooblayout_free()
1526 	if (!master->ooblayout || !master->ooblayout->free)  in mtd_ooblayout_free()
1529 	return master->ooblayout->free(master, section, oobfree);  in mtd_ooblayout_free()
1838 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_fact_prot_info()  local
1840 	if (!master->_get_fact_prot_info)  in mtd_get_fact_prot_info()
1844 	return master->_get_fact_prot_info(master, len, retlen, buf);  in mtd_get_fact_prot_info()
1851 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_fact_prot_reg()  local
1854 	if (!master->_read_fact_prot_reg)  in mtd_read_fact_prot_reg()
1858 	return master->_read_fact_prot_reg(master, from, len, retlen, buf);  in mtd_read_fact_prot_reg()
1865 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_get_user_prot_info()  local
1867 	if (!master->_get_user_prot_info)  in mtd_get_user_prot_info()
1871 	return master->_get_user_prot_info(master, len, retlen, buf);  in mtd_get_user_prot_info()
1878 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_read_user_prot_reg()  local
1881 	if (!master->_read_user_prot_reg)  in mtd_read_user_prot_reg()
1885 	return master->_read_user_prot_reg(master, from, len, retlen, buf);  in mtd_read_user_prot_reg()
1892 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_write_user_prot_reg()  local
1896 	if (!master->_write_user_prot_reg)  in mtd_write_user_prot_reg()
1900 	ret = master->_write_user_prot_reg(master, to, len, retlen, buf);  in mtd_write_user_prot_reg()
1914 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock_user_prot_reg()  local
1916 	if (!master->_lock_user_prot_reg)  in mtd_lock_user_prot_reg()
1920 	return master->_lock_user_prot_reg(master, from, len);  in mtd_lock_user_prot_reg()
1927 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_lock()  local
1929 	if (!master->_lock)  in mtd_lock()
1937 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_lock()
1938 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_lock()
1941 	return master->_lock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_lock()
1947 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_unlock()  local
1949 	if (!master->_unlock)  in mtd_unlock()
1957 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_unlock()
1958 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_unlock()
1961 	return master->_unlock(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_unlock()
1967 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_is_locked()  local
1969 	if (!master->_is_locked)  in mtd_is_locked()
1977 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_is_locked()
1978 		len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;  in mtd_is_locked()
1981 	return master->_is_locked(master, mtd_get_master_ofs(mtd, ofs), len);  in mtd_is_locked()
1987 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isreserved()  local
1991 	if (!master->_block_isreserved)  in mtd_block_isreserved()
1995 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isreserved()
1997 	return master->_block_isreserved(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isreserved()
2003 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_isbad()  local
2007 	if (!master->_block_isbad)  in mtd_block_isbad()
2011 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_isbad()
2013 	return master->_block_isbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_isbad()
2019 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_block_markbad()  local
2022 	if (!master->_block_markbad)  in mtd_block_markbad()
2030 		ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;  in mtd_block_markbad()
2032 	ret = master->_block_markbad(master, mtd_get_master_ofs(mtd, ofs));  in mtd_block_markbad()
2091 	struct mtd_info *master = mtd_get_master(mtd);  in mtd_writev()  local
2097 	if (!master->_writev)  in mtd_writev()
2100 	return master->_writev(master, vecs, count,  in mtd_writev()