diff -urN linux-2.6.21.1/drivers/serial/Makefile linux-2.6.21.1.new/drivers/serial/Makefile
--- linux-2.6.21.1/drivers/serial/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1.new/drivers/serial/Makefile 2007-05-30 20:32:27.000000000 +0200
diff -urN linux-2.6.21.1/drivers/serial/Makefile linux-2.6.21.1.new/drivers/serial/Makefile
--- linux-2.6.21.1/drivers/serial/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1.new/drivers/serial/Makefile 2007-05-30 20:32:27.000000000 +0200