290 static int part_read(struct mtd_info *mtd, loff_t from, size_t len,  in part_read()  argument
296 	stats = mtd->parent->ecc_stats;  in part_read()
297 	res = mtd->parent->_read(mtd->parent, from + mtd->offset, len,  in part_read()
300 		mtd->ecc_stats.failed +=  in part_read()
301 			mtd->parent->ecc_stats.failed - stats.failed;  in part_read()
303 		mtd->ecc_stats.corrected +=  in part_read()
304 			mtd->parent->ecc_stats.corrected - stats.corrected;  in part_read()
309 static int part_point(struct mtd_info *mtd, loff_t from, size_t len,  in part_point()  argument
312 	return mtd->parent->_point(mtd->parent, from + mtd->offset, len,  in part_point()
316 static int part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)  in part_unpoint()  argument
318 	return mtd->parent->_unpoint(mtd->parent, from + mtd->offset, len);  in part_unpoint()
322 static unsigned long part_get_unmapped_area(struct mtd_info *mtd,  in part_get_unmapped_area()  argument
327 	offset += mtd->offset;  in part_get_unmapped_area()
328 	return mtd->parent->_get_unmapped_area(mtd->parent, len, offset, flags);  in part_get_unmapped_area()
331 static int part_read_oob(struct mtd_info *mtd, loff_t from,  in part_read_oob()  argument
336 	if (from >= mtd->size)  in part_read_oob()
338 	if (ops->datbuf && from + ops->len > mtd->size)  in part_read_oob()
349 			len = mtd->oobavail;  in part_read_oob()
351 			len = mtd->oobsize;  in part_read_oob()
352 		pages = mtd_div_by_ws(mtd->size, mtd);  in part_read_oob()
353 		pages -= mtd_div_by_ws(from, mtd);  in part_read_oob()
358 	res = mtd->parent->_read_oob(mtd->parent, from + mtd->offset, ops);  in part_read_oob()
361 			mtd->ecc_stats.corrected++;  in part_read_oob()
363 			mtd->ecc_stats.failed++;  in part_read_oob()
368 static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,  in part_read_user_prot_reg()  argument
371 	return mtd->parent->_read_user_prot_reg(mtd->parent, from, len,  in part_read_user_prot_reg()
375 static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,  in part_get_user_prot_info()  argument
378 	return mtd->parent->_get_user_prot_info(mtd->parent, len, retlen,  in part_get_user_prot_info()
382 static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,  in part_read_fact_prot_reg()  argument
385 	return mtd->parent->_read_fact_prot_reg(mtd->parent, from, len,  in part_read_fact_prot_reg()
389 static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,  in part_get_fact_prot_info()  argument
392 	return mtd->parent->_get_fact_prot_info(mtd->parent, len, retlen,  in part_get_fact_prot_info()
396 static int part_write(struct mtd_info *mtd, loff_t to, size_t len,  in part_write()  argument
399 	return mtd->parent->_write(mtd->parent, to + mtd->offset, len,  in part_write()
403 static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,  in part_panic_write()  argument
406 	return mtd->parent->_panic_write(mtd->parent, to + mtd->offset, len,  in part_panic_write()
410 static int part_write_oob(struct mtd_info *mtd, loff_t to,  in part_write_oob()  argument
413 	if (to >= mtd->size)  in part_write_oob()
415 	if (ops->datbuf && to + ops->len > mtd->size)  in part_write_oob()
417 	return mtd->parent->_write_oob(mtd->parent, to + mtd->offset, ops);  in part_write_oob()
420 static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,  in part_write_user_prot_reg()  argument
423 	return mtd->parent->_write_user_prot_reg(mtd->parent, from, len,  in part_write_user_prot_reg()
427 static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,  in part_lock_user_prot_reg()  argument
430 	return mtd->parent->_lock_user_prot_reg(mtd->parent, from, len);  in part_lock_user_prot_reg()
434 static int part_writev(struct mtd_info *mtd, const struct kvec *vecs,  in part_writev()  argument
437 	return mtd->parent->_writev(mtd->parent, vecs, count,  in part_writev()
438 				    to + mtd->offset, retlen);  in part_writev()
442 static int part_erase(struct mtd_info *mtd, struct erase_info *instr)  in part_erase()  argument
446 	instr->addr += mtd->offset;  in part_erase()
447 	ret = mtd->parent->_erase(mtd->parent, instr);  in part_erase()
450 			instr->fail_addr -= mtd->offset;  in part_erase()
451 		instr->addr -= mtd->offset;  in part_erase()
458 	if (instr->mtd->_erase == part_erase) {  in mtd_erase_callback()
460 			instr->fail_addr -= instr->mtd->offset;  in mtd_erase_callback()
461 		instr->addr -= instr->mtd->offset;  in mtd_erase_callback()
468 static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in part_lock()  argument
470 	return mtd->parent->_lock(mtd->parent, ofs + mtd->offset, len);  in part_lock()
473 static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in part_unlock()  argument
475 	return mtd->parent->_unlock(mtd->parent, ofs + mtd->offset, len);  in part_unlock()
478 static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)  in part_is_locked()  argument
480 	return mtd->parent->_is_locked(mtd->parent, ofs + mtd->offset, len);  in part_is_locked()
483 static void part_sync(struct mtd_info *mtd)  in part_sync()  argument
485 	mtd->parent->_sync(mtd->parent);  in part_sync()
489 static int part_suspend(struct mtd_info *mtd)  in part_suspend()  argument
491 	return mtd->parent->_suspend(mtd->parent);  in part_suspend()
494 static void part_resume(struct mtd_info *mtd)  in part_resume()  argument
496 	mtd->parent->_resume(mtd->parent);  in part_resume()
500 static int part_block_isreserved(struct mtd_info *mtd, loff_t ofs)  in part_block_isreserved()  argument
502 	ofs += mtd->offset;  in part_block_isreserved()
503 	return mtd->parent->_block_isreserved(mtd->parent, ofs);  in part_block_isreserved()
506 static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)  in part_block_isbad()  argument
508 	ofs += mtd->offset;  in part_block_isbad()
509 	return mtd->parent->_block_isbad(mtd->parent, ofs);  in part_block_isbad()
512 static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)  in part_block_markbad()  argument
516 	ofs += mtd->offset;  in part_block_markbad()
517 	res = mtd->parent->_block_markbad(mtd->parent, ofs);  in part_block_markbad()
519 		mtd->ecc_stats.badblocks++;  in part_block_markbad()
991 uint64_t mtd_get_device_size(const struct mtd_info *mtd)  in mtd_get_device_size()  argument
993 	if (mtd_is_partition(mtd))  in mtd_get_device_size()
994 		return mtd->parent->size;  in mtd_get_device_size()
996 	return mtd->size;  in mtd_get_device_size()