mtd/onenand/onenand_bbt.c

4  *  Bad Block Table support for the OneNAND driver
32  * Check for a pattern at the given place. Used to search bad block
33  * tables and good / bad block identifiers. Same as check_pattern, but
52  * create_bbt - [GENERIC] Create a bad block table by scanning the device
55  * @param bd		descriptor for the good/bad block search pattern
59  * Create a bad block table by scanning the device
60  * for the given good/bad block identify pattern
74 	printk(KERN_INFO "Scanning device for bad blocks\n");  in create_bbt()
105 			/* If it is a initial bad block, just ignore it */  in create_bbt()
113 				       "Bad eraseblock %d at 0x%08x\n", i >> 1,  in create_bbt()
131  * onenand_memory_bbt - [GENERIC] create a memory based bad block table
133  * @param bd		descriptor for the good/bad block search pattern
136  * for manufacturer / software marked good / bad blocks
147  * onenand_isbad_bbt - [OneNAND Interface] Check if a block is bad
150  * @param allowbbt	allow access to bad block table region
179  * onenand_scan_bbt - [OneNAND Interface] scan, find, read and maybe create bad block table(s)
181  * @param bd		descriptor for the good/bad block search pattern
183  * The function checks, if a bad block table(s) is/are already
185  * marked good / bad blocks and writes the bad block table(s) to
188  * The bad block table memory is allocated here. It must be freed
203 	/* Clear the memory bad block table */  in onenand_scan_bbt()
206 	/* Set the bad block position */  in onenand_scan_bbt()
215 	/* Scan the device to build a memory based bad block table */  in onenand_scan_bbt()
227  * Define some generic bad / good block scan pattern which are used
228  * while scanning a device for factory marked good / bad blocks.
240  * onenand_default_bbt - [OneNAND Interface] Select a default bad block table for the device
243  * This function selects the default bad block table