2863 static int try_enable_new_console(struct console *newcon, bool user_specified)  in try_enable_new_console()  argument
2873 		if (!newcon->match ||  in try_enable_new_console()
2874 		    newcon->match(newcon, c->name, c->index, c->options) != 0) {  in try_enable_new_console()
2876 			BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));  in try_enable_new_console()
2877 			if (strcmp(c->name, newcon->name) != 0)  in try_enable_new_console()
2879 			if (newcon->index >= 0 &&  in try_enable_new_console()
2880 			    newcon->index != c->index)  in try_enable_new_console()
2882 			if (newcon->index < 0)  in try_enable_new_console()
2883 				newcon->index = c->index;  in try_enable_new_console()
2885 			if (_braille_register_console(newcon, c))  in try_enable_new_console()
2888 			if (newcon->setup &&  in try_enable_new_console()
2889 			    (err = newcon->setup(newcon, c->options)) != 0)  in try_enable_new_console()
2892 		newcon->flags |= CON_ENABLED;  in try_enable_new_console()
2894 			newcon->flags |= CON_CONSDEV;  in try_enable_new_console()
2905 	if (newcon->flags & CON_ENABLED && c->user_specified ==	user_specified)  in try_enable_new_console()
2930 void register_console(struct console *newcon)  in register_console()  argument
2936 		if (WARN(bcon == newcon, "console '%s%d' already registered\n",  in register_console()
2945 	if (newcon->flags & CON_BOOT) {  in register_console()
2949 					newcon->name, newcon->index);  in register_console()
2967 		if (newcon->index < 0)  in register_console()
2968 			newcon->index = 0;  in register_console()
2969 		if (newcon->setup == NULL ||  in register_console()
2970 		    newcon->setup(newcon, NULL) == 0) {  in register_console()
2971 			newcon->flags |= CON_ENABLED;  in register_console()
2972 			if (newcon->device) {  in register_console()
2973 				newcon->flags |= CON_CONSDEV;  in register_console()
2980 	err = try_enable_new_console(newcon, true);  in register_console()
2984 		err = try_enable_new_console(newcon, false);  in register_console()
2987 	if (err || newcon->flags & CON_BRL)  in register_console()
2996 	if (bcon && ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV))  in register_console()
2997 		newcon->flags &= ~CON_PRINTBUFFER;  in register_console()
3004 	if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {  in register_console()
3005 		newcon->next = console_drivers;  in register_console()
3006 		console_drivers = newcon;  in register_console()
3007 		if (newcon->next)  in register_console()
3008 			newcon->next->flags &= ~CON_CONSDEV;  in register_console()
3010 		newcon->flags |= CON_CONSDEV;  in register_console()
3012 		newcon->next = console_drivers->next;  in register_console()
3013 		console_drivers->next = newcon;  in register_console()
3016 	if (newcon->flags & CON_EXTENDED)  in register_console()
3019 	if (newcon->flags & CON_PRINTBUFFER) {  in register_console()
3032 		exclusive_console = newcon;  in register_console()
3051 		(newcon->flags & CON_BOOT) ? "boot" : "" ,  in register_console()
3052 		newcon->name, newcon->index);  in register_console()
3054 	    ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV) &&  in register_console()