416 static int scan_block_fast(struct mtd_info *mtd, struct nand_bbt_descr *bd,  in scan_block_fast()  argument
438 		if (check_short_pattern(buf, bd))  in scan_block_fast()
458 	struct nand_bbt_descr *bd, int chip)  in create_bbt()  argument
467 	if (bd->options & NAND_BBT_SCAN2NDPAGE)  in create_bbt()
494 		BUG_ON(bd->options & NAND_BBT_NO_OOB);  in create_bbt()
496 		ret = scan_block_fast(mtd, bd, from, buf, numpages);  in create_bbt()
823 static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)  in nand_memory_bbt()  argument
827 	return create_bbt(mtd, this->buffers->databuf, bd, -1);  in nand_memory_bbt()
841 static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd)  in check_create()  argument
901 				create_bbt(mtd, buf, bd, chipsel);  in check_create()
1026 static void verify_bbt_descr(struct mtd_info *mtd, struct nand_bbt_descr *bd)  in verify_bbt_descr()  argument
1033 	if (!bd)  in verify_bbt_descr()
1036 	pattern_len = bd->len;  in verify_bbt_descr()
1037 	bits = bd->options & NAND_BBT_NRBITS_MSK;  in verify_bbt_descr()
1043 	if (bd->options & NAND_BBT_VERSION)  in verify_bbt_descr()
1046 	if (bd->options & NAND_BBT_NO_OOB) {  in verify_bbt_descr()
1049 		BUG_ON(bd->offs);  in verify_bbt_descr()
1050 		if (bd->options & NAND_BBT_VERSION)  in verify_bbt_descr()
1051 			BUG_ON(bd->veroffs != bd->len);  in verify_bbt_descr()
1052 		BUG_ON(bd->options & NAND_BBT_SAVECONTENT);  in verify_bbt_descr()
1055 	if (bd->options & NAND_BBT_PERCHIP)  in verify_bbt_descr()
1061 	if (bd->options & NAND_BBT_NO_OOB)  in verify_bbt_descr()
1078 int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)  in nand_scan_bbt()  argument
1100 		if ((res = nand_memory_bbt(mtd, bd))) {  in nand_scan_bbt()
1128 	res = check_create(mtd, buf, bd);  in nand_scan_bbt()
1256 	struct nand_bbt_descr *bd;  in nand_create_badblock_pattern()  local
1261 	bd = kzalloc(sizeof(*bd), GFP_KERNEL);  in nand_create_badblock_pattern()
1262 	if (!bd)  in nand_create_badblock_pattern()
1264 	bd->options = this->bbt_options & BADBLOCK_SCAN_MASK;  in nand_create_badblock_pattern()
1265 	bd->offs = this->badblockpos;  in nand_create_badblock_pattern()
1266 	bd->len = (this->options & NAND_BUSWIDTH_16) ? 2 : 1;  in nand_create_badblock_pattern()
1267 	bd->pattern = scan_ff_pattern;  in nand_create_badblock_pattern()
1268 	bd->options |= NAND_BBT_DYNAMICSTRUCT;  in nand_create_badblock_pattern()
1269 	this->badblock_pattern = bd;  in nand_create_badblock_pattern()