2648 void register_console(struct console *newcon)  in register_console()  argument
2658 			if (WARN(bcon == newcon,  in register_console()
2667 	if (console_drivers && newcon->flags & CON_BOOT) {  in register_console()
2672 					newcon->name, newcon->index);  in register_console()
2690 		if (newcon->index < 0)  in register_console()
2691 			newcon->index = 0;  in register_console()
2692 		if (newcon->setup == NULL ||  in register_console()
2693 		    newcon->setup(newcon, NULL) == 0) {  in register_console()
2694 			newcon->flags |= CON_ENABLED;  in register_console()
2695 			if (newcon->device) {  in register_console()
2696 				newcon->flags |= CON_CONSDEV;  in register_console()
2709 		if (!newcon->match ||  in register_console()
2710 		    newcon->match(newcon, c->name, c->index, c->options) != 0) {  in register_console()
2712 			BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));  in register_console()
2713 			if (strcmp(c->name, newcon->name) != 0)  in register_console()
2715 			if (newcon->index >= 0 &&  in register_console()
2716 			    newcon->index != c->index)  in register_console()
2718 			if (newcon->index < 0)  in register_console()
2719 				newcon->index = c->index;  in register_console()
2721 			if (_braille_register_console(newcon, c))  in register_console()
2724 			if (newcon->setup &&  in register_console()
2725 			    newcon->setup(newcon, c->options) != 0)  in register_console()
2729 		newcon->flags |= CON_ENABLED;  in register_console()
2731 			newcon->flags |= CON_CONSDEV;  in register_console()
2737 	if (!(newcon->flags & CON_ENABLED))  in register_console()
2746 	if (bcon && ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV))  in register_console()
2747 		newcon->flags &= ~CON_PRINTBUFFER;  in register_console()
2754 	if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {  in register_console()
2755 		newcon->next = console_drivers;  in register_console()
2756 		console_drivers = newcon;  in register_console()
2757 		if (newcon->next)  in register_console()
2758 			newcon->next->flags &= ~CON_CONSDEV;  in register_console()
2760 		newcon->next = console_drivers->next;  in register_console()
2761 		console_drivers->next = newcon;  in register_console()
2764 	if (newcon->flags & CON_EXTENDED)  in register_console()
2767 	if (newcon->flags & CON_PRINTBUFFER) {  in register_console()
2784 		exclusive_console = newcon;  in register_console()
2799 		(newcon->flags & CON_BOOT) ? "boot" : "" ,  in register_console()
2800 		newcon->name, newcon->index);  in register_console()
2802 	    ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV) &&  in register_console()