3017 static int try_enable_preferred_console(struct console *newcon,  in try_enable_preferred_console()  argument
3028 		if (!newcon->match ||  in try_enable_preferred_console()
3029 		    newcon->match(newcon, c->name, c->index, c->options) != 0) {  in try_enable_preferred_console()
3031 			BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));  in try_enable_preferred_console()
3032 			if (strcmp(c->name, newcon->name) != 0)  in try_enable_preferred_console()
3034 			if (newcon->index >= 0 &&  in try_enable_preferred_console()
3035 			    newcon->index != c->index)  in try_enable_preferred_console()
3037 			if (newcon->index < 0)  in try_enable_preferred_console()
3038 				newcon->index = c->index;  in try_enable_preferred_console()
3040 			if (_braille_register_console(newcon, c))  in try_enable_preferred_console()
3043 			if (newcon->setup &&  in try_enable_preferred_console()
3044 			    (err = newcon->setup(newcon, c->options)) != 0)  in try_enable_preferred_console()
3047 		newcon->flags |= CON_ENABLED;  in try_enable_preferred_console()
3049 			newcon->flags |= CON_CONSDEV;  in try_enable_preferred_console()
3058 	if (newcon->flags & CON_ENABLED && c->user_specified ==	user_specified)  in try_enable_preferred_console()
3065 static void try_enable_default_console(struct console *newcon)  in try_enable_default_console()  argument
3067 	if (newcon->index < 0)  in try_enable_default_console()
3068 		newcon->index = 0;  in try_enable_default_console()
3070 	if (newcon->setup && newcon->setup(newcon, NULL) != 0)  in try_enable_default_console()
3073 	newcon->flags |= CON_ENABLED;  in try_enable_default_console()
3075 	if (newcon->device)  in try_enable_default_console()
3076 		newcon->flags |= CON_CONSDEV;  in try_enable_default_console()
3103 void register_console(struct console *newcon)  in register_console()  argument
3111 		if (WARN(con == newcon, "console '%s%d' already registered\n",  in register_console()
3124 	if (newcon->flags & CON_BOOT && realcon_enabled) {  in register_console()
3126 			newcon->name, newcon->index);  in register_console()
3145 			try_enable_default_console(newcon);  in register_console()
3150 	err = try_enable_preferred_console(newcon, true);  in register_console()
3154 		err = try_enable_preferred_console(newcon, false);  in register_console()
3157 	if (err || newcon->flags & CON_BRL)  in register_console()
3167 	    ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV)) {  in register_console()
3168 		newcon->flags &= ~CON_PRINTBUFFER;  in register_console()
3176 	if ((newcon->flags & CON_CONSDEV) || console_drivers == NULL) {  in register_console()
3177 		newcon->next = console_drivers;  in register_console()
3178 		console_drivers = newcon;  in register_console()
3179 		if (newcon->next)  in register_console()
3180 			newcon->next->flags &= ~CON_CONSDEV;  in register_console()
3182 		newcon->flags |= CON_CONSDEV;  in register_console()
3184 		newcon->next = console_drivers->next;  in register_console()
3185 		console_drivers->next = newcon;  in register_console()
3188 	newcon->dropped = 0;  in register_console()
3189 	if (newcon->flags & CON_PRINTBUFFER) {  in register_console()
3192 		newcon->seq = syslog_seq;  in register_console()
3196 		newcon->seq = prb_next_seq(prb);  in register_console()
3208 	con_printk(KERN_INFO, newcon, "enabled\n");  in register_console()
3210 	    ((newcon->flags & (CON_CONSDEV | CON_BOOT)) == CON_CONSDEV) &&  in register_console()