diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 6818c10..a415d9b 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -631,7 +631,7 @@
    ** avoid a race condition while writing the CMD/DATA register pair.
    **
  */
-int lcd_print( char *str )
+int lcd_print( const char *str )
 {
 	int i;