77 static int nand_update_bbt(struct mtd_info *mtd, loff_t offs);
116 	if (memcmp(buf + paglen + td->offs, td->pattern, td->len))  in check_pattern()
134 	if (memcmp(buf + td->offs, td->pattern, td->len))  in check_short_pattern()
170 		struct nand_bbt_descr *td, int offs)  in read_bbt()  argument
221 						 (loff_t)(offs + act) <<  in read_bbt()
223 					bbt_mark_entry(this, offs + act,  in read_bbt()
233 					 (loff_t)(offs + act) <<  in read_bbt()
237 					bbt_mark_entry(this, offs + act,  in read_bbt()
240 					bbt_mark_entry(this, offs + act,  in read_bbt()
268 		int offs = 0;  in read_abs_bbt()  local
273 					td, offs);  in read_abs_bbt()
276 			offs += this->chipsize >> this->bbt_erase_shift;  in read_abs_bbt()
288 static int scan_read_data(struct mtd_info *mtd, uint8_t *buf, loff_t offs,  in scan_read_data()  argument
298 	return mtd_read(mtd, offs, len, &retlen, buf);  in scan_read_data()
312 static int scan_read_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs,  in scan_read_oob()  argument
327 		res = mtd_read_oob(mtd, offs, &ops);  in scan_read_oob()
337 		offs += mtd->writesize;  in scan_read_oob()
342 static int scan_read(struct mtd_info *mtd, uint8_t *buf, loff_t offs,  in scan_read()  argument
346 		return scan_read_data(mtd, buf, offs, td);  in scan_read()
348 		return scan_read_oob(mtd, buf, offs, len);  in scan_read()
352 static int scan_write_bbt(struct mtd_info *mtd, loff_t offs, size_t len,  in scan_write_bbt()  argument
364 	return mtd_write_oob(mtd, offs, &ops);  in scan_write_bbt()
412 			   loff_t offs, uint8_t *buf, int numpages)  in scan_block_fast()  argument
428 		ret = mtd_read_oob(mtd, offs, &ops);  in scan_block_fast()
436 		offs += mtd->writesize;  in scan_block_fast()
558 			loff_t offs = (loff_t)actblock << this->bbt_erase_shift;  in search_bbt()  local
561 			scan_read(mtd, buf, offs, mtd->writesize, td);  in search_bbt()
565 					offs = bbt_get_ver_offs(mtd, td);  in search_bbt()
566 					td->version[i] = buf[offs];  in search_bbt()
622 	int bits, startblock, dir, page, offs, numblocks, sft, sftmsk;  in write_bbt()  local
737 			offs = pageoffs << this->page_shift;  in write_bbt()
739 			memset(&buf[offs], 0xff, (size_t)(numblocks >> sft));  in write_bbt()
744 			offs = td->len;  in write_bbt()
747 				offs++;  in write_bbt()
750 			len += offs;  in write_bbt()
765 			offs = 0;  in write_bbt()
768 			memcpy(&buf[ooboffs + td->offs], td->pattern, td->len);  in write_bbt()
780 			buf[offs + (i >> sft)] &= ~(msk[dat] << sftcnt);  in write_bbt()
1044 		BUG_ON(bd->offs);  in verify_bbt_descr()
1146 static int nand_update_bbt(struct mtd_info *mtd, loff_t offs)  in nand_update_bbt()  argument
1167 		chip = (int)(offs >> this->chip_shift);  in nand_update_bbt()
1207 	.offs =	8,
1217 	.offs =	8,
1265 	bd->offs = this->badblockpos;  in nand_create_badblock_pattern()
1316 int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)  in nand_isreserved_bbt()  argument
1321 	block = (int)(offs >> this->bbt_erase_shift);  in nand_isreserved_bbt()
1331 int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)  in nand_isbad_bbt()  argument
1336 	block = (int)(offs >> this->bbt_erase_shift);  in nand_isbad_bbt()
1340 		 (unsigned int)offs, block, res);  in nand_isbad_bbt()
1358 int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs)  in nand_markbad_bbt()  argument
1363 	block = (int)(offs >> this->bbt_erase_shift);  in nand_markbad_bbt()
1370 		ret = nand_update_bbt(mtd, offs);  in nand_markbad_bbt()