43 static const char * const trx_types[] = { "trx", NULL };
63  * bcm47xxpart_bootpartition - gets index of TRX partition used by bootloader
65  * Some devices may have more than one TRX partition. In such case one of them
69  * This function provides info about currently used TRX partition. It's the one
96 	int trx_parts[2]; /* Array with indexes of TRX partitions */  in bcm47xxpart_parse()
97 	int trx_num = 0; /* Number of found TRX partitions */  in bcm47xxpart_parse()
182 		/* TRX */  in bcm47xxpart_parse()
184 			struct trx_header *trx;  in bcm47xxpart_parse()  local
189 				pr_warn("No enough space to store another TRX found at 0x%X\n",  in bcm47xxpart_parse()
197 			 * Try to find TRX size. The "length" field isn't fully  in bcm47xxpart_parse()
199 			 * only part of TRX data. It's commonly used as checksum  in bcm47xxpart_parse()
201 			 * Use offsets as helpers for assuming min TRX size.  in bcm47xxpart_parse()
203 			trx = (struct trx_header *)buf;  in bcm47xxpart_parse()
204 			last_subpart = max3(trx->offset[0], trx->offset[1],  in bcm47xxpart_parse()
205 					    trx->offset[2]);  in bcm47xxpart_parse()
206 			trx_size = max(trx->length, last_subpart + blocksize);  in bcm47xxpart_parse()
209 			 * Skip the TRX data. Decrease offset by block size as  in bcm47xxpart_parse()
216 		/* Squashfs on devices not using TRX */  in bcm47xxpart_parse()
289 	/* If there was TRX parse it now */  in bcm47xxpart_parse()
291 		struct mtd_partition *trx = &parts[trx_parts[i]];  in bcm47xxpart_parse()  local
294 			trx->types = trx_types;  in bcm47xxpart_parse()
296 			trx->name = "failsafe";  in bcm47xxpart_parse()