vt: keyboard, make keyboard_tasklet local

Now that the last extern user of the tasklet (set_leds) is in
keyboard.c, we can make keyboard_tasklet local to this unit too.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210105120239.28031-2-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/vt/keyboard.c

@@ -131,6 +131,9 @@ static const unsigned char max_vals[] = {
 
 static const int NR_TYPES = ARRAY_SIZE(max_vals);
 
+static void kbd_bh(unsigned long dummy);
+static DECLARE_TASKLET_DISABLED_OLD(keyboard_tasklet, kbd_bh);
+
 static struct input_handler kbd_handler;
 static DEFINE_SPINLOCK(kbd_event_lock);
 static DEFINE_SPINLOCK(led_lock);
@@ -1258,8 +1261,6 @@ static void kbd_bh(unsigned long dummy)
 	}
 }
 
-DECLARE_TASKLET_DISABLED_OLD(keyboard_tasklet, kbd_bh);
-
 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\
     defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) ||\
     defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\

include/linux/kbd_kern.h

@@ -6,8 +6,6 @@
 #include <linux/interrupt.h>
 #include <linux/keyboard.h>
 
-extern struct tasklet_struct keyboard_tasklet;
-
 extern char *func_table[MAX_NR_FUNC];
 
 /*