2486 void register_console(struct console *newcon)  in register_console()  argument
2495 			if (WARN(bcon == newcon,  in register_console()
2504 	if (console_drivers && newcon->flags & CON_BOOT) {  in register_console()
2509 					newcon->name, newcon->index);  in register_console()
2527 		if (newcon->index < 0)  in register_console()
2528 			newcon->index = 0;  in register_console()
2529 		if (newcon->setup == NULL ||  in register_console()
2530 		    newcon->setup(newcon, NULL) == 0) {  in register_console()
2531 			newcon->flags |= CON_ENABLED;  in register_console()
2532 			if (newcon->device) {  in register_console()
2533 				newcon->flags |= CON_CONSDEV;  in register_console()
2546 		if (!newcon->match ||  in register_console()
2547 		    newcon->match(newcon, c->name, c->index, c->options) != 0) {  in register_console()
2549 			BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));  in register_console()
2550 			if (strcmp(c->name, newcon->name) != 0)  in register_console()
2552 			if (newcon->index >= 0 &&  in register_console()
2553 			    newcon->index != c->index)  in register_console()
2555 			if (newcon->index < 0)  in register_console()
2556 				newcon->index = c->index;  in register_console()
2558 			if (_braille_register_console(newcon, c))  in register_console()
2561 			if (newcon->setup &&  in register_console()
2562 			    newcon->setup(newcon, c->options) != 0)  in register_console()
2566 		newcon->flags |= CON_ENABLED;  in register_console()
2568 			newcon->flags |= CON_CONSDEV;  in register_console()
2574 	if (!(newcon->flags & CON_ENABLED))  in register_console()
2583 	if (bcon && ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV))  in register_console()
2584 		newcon->flags &= ~CON_PRINTBUFFER;  in register_console()
2591 	if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {  in register_console()
2592 		newcon->next = console_drivers;  in register_console()
2593 		console_drivers = newcon;  in register_console()
2594 		if (newcon->next)  in register_console()
2595 			newcon->next->flags &= ~CON_CONSDEV;  in register_console()
2597 		newcon->next = console_drivers->next;  in register_console()
2598 		console_drivers->next = newcon;  in register_console()
2601 	if (newcon->flags & CON_EXTENDED)  in register_console()
2605 	if (newcon->flags & CON_PRINTBUFFER) {  in register_console()
2620 		exclusive_console = newcon;  in register_console()
2633 		(newcon->flags & CON_BOOT) ? "boot" : "" ,  in register_console()
2634 		newcon->name, newcon->index);  in register_console()
2636 	    ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV) &&  in register_console()