1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index 45ec263ec012..a5c59fc2b0ff 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -2258,7 +2258,7 @@ static int esp_open(struct tty_struct *tty, struct file *filp)
  * driver.
  */
 
-static void show_serial_version(void)
+static void __init show_serial_version(void)
 {
         printk(KERN_INFO "%s version %s (DMA %u)\n",
                 serial_name, serial_version, dma);