2  * PowerNV LPC bus handling.
191 	struct lpc_debugfs_entry *lpc = filp->private_data;  in lpc_debug_read()  local
208 		if (lpc->lpc_type == OPAL_LPC_FW) {  in lpc_debug_read()
214 		rc = opal_lpc_read(opal_lpc_chip_id, lpc->lpc_type, pos,  in lpc_debug_read()
228 		 * respective positions (ie, LPC position).  in lpc_debug_read()
233 		 * IE. If the LPC transaction has bytes B0, B1, B2 and B3 in that  in lpc_debug_read()
282 	struct lpc_debugfs_entry *lpc = filp->private_data;  in lpc_debug_write()  local
299 		if (lpc->lpc_type == OPAL_LPC_FW) {  in lpc_debug_write()
338 		rc = opal_lpc_write(opal_lpc_chip_id, lpc->lpc_type, pos,  in lpc_debug_write()
378 	root = debugfs_create_dir("lpc", powerpc_debugfs_root);  in opal_lpc_init_debugfs()
393 	 * Look for a Power8 LPC bus tagged as "primary",  in opal_lpc_init()
397 	for_each_compatible_node(np, NULL, "ibm,power8-lpc") {  in opal_lpc_init()
410 		pr_info("OPAL: Found memory mapped LPC bus on chip %d\n",  in opal_lpc_init()
414 		pr_info("OPAL: Found non-mapped LPC bus on chip %d\n",  in opal_lpc_init()