Index: kernel/genarch/src/drivers/dsrln/dsrlnout.c
===================================================================
--- kernel/genarch/src/drivers/dsrln/dsrlnout.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/dsrln/dsrlnout.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -63,5 +63,7 @@
 static outdev_operations_t dsrlndev_ops = {
 	.write = dsrlnout_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/genarch/src/drivers/ega/ega.c
===================================================================
--- kernel/genarch/src/drivers/ega/ega.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/ega/ega.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -76,5 +76,7 @@
 static outdev_operations_t egadev_ops = {
 	.write = ega_putchar,
-	.redraw = ega_redraw
+	.redraw = ega_redraw,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/genarch/src/drivers/grlib/uart.c
===================================================================
--- kernel/genarch/src/drivers/grlib/uart.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/grlib/uart.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -100,5 +100,7 @@
 static outdev_operations_t grlib_uart_ops = {
 	.write = grlib_uart_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/genarch/src/drivers/omap/uart.c
===================================================================
--- kernel/genarch/src/drivers/omap/uart.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/omap/uart.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -61,6 +61,8 @@
 
 static outdev_operations_t omap_uart_ops = {
+	.write = omap_uart_putchar,
 	.redraw = NULL,
-	.write = omap_uart_putchar,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/genarch/src/drivers/pl011/pl011.c
===================================================================
--- kernel/genarch/src/drivers/pl011/pl011.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/pl011/pl011.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -72,4 +72,6 @@
 	.write = pl011_uart_putchar,
 	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };
 
Index: kernel/genarch/src/drivers/s3c24xx/uart.c
===================================================================
--- kernel/genarch/src/drivers/s3c24xx/uart.c	(revision 4aa2a27b7de879ecc1f5cd437123bba355d4c82f)
+++ kernel/genarch/src/drivers/s3c24xx/uart.c	(revision 80f6be9ebb50472b7d008ac5a2c02c45eae1c44e)
@@ -95,5 +95,7 @@
 static outdev_operations_t s3c24xx_uart_ops = {
 	.write = s3c24xx_uart_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };