serial: convert early_uart to earlycon for 8250
[linux-2.6.git] / kernel / printk.c
index 7ce9a8c..f46cc6d 100644 (file)
@@ -726,6 +726,25 @@ int __init add_preferred_console(char *name, int idx, char *options)
        return 0;
 }
 
+int __init update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options)
+{
+       struct console_cmdline *c;
+       int i;
+
+       for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++)
+               if (strcmp(console_cmdline[i].name, name) == 0 &&
+                         console_cmdline[i].index == idx) {
+                               c = &console_cmdline[i];
+                               memcpy(c->name, name_new, sizeof(c->name));
+                               c->name[sizeof(c->name) - 1] = 0;
+                               c->options = options;
+                               c->index = idx_new;
+                               return i;
+               }
+       /* not found */
+       return -1;
+}
+
 #ifndef CONFIG_DISABLE_CONSOLE_SUSPEND
 /**
  * suspend_console - suspend the console subsystem
@@ -942,6 +961,9 @@ void register_console(struct console *console)
        if (preferred_console < 0 || bootconsole || !console_drivers)
                preferred_console = selected_console;
 
+       if (console->early_setup)
+               console->early_setup();
+
        /*
         *      See if we want to use this console driver. If we
         *      didn't select a console we take the first one