serdev: simplify Makefile

drivers/tty/Makefile has:
	obj-$(CONFIG_SERIAL_DEV_BUS)    += serdev/

so in drivers/tty/serdev/Makefile CONFIG_SERIAL_DEV_BUS is always =y.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20191212101649.18126-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serdev/Makefile b/drivers/tty/serdev/Makefile
index 078417e5b06860f9d94750cd48b9e99d053b1a41..f71bb931735bab73f6aac17b9086a96f068ecc37 100644 (file)
--- a/drivers/tty/serdev/Makefile
+++ b/drivers/tty/serdev/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 serdev-objs := core.o
 
-obj-$(CONFIG_SERIAL_DEV_BUS) += serdev.o
+obj-y += serdev.o
 
 obj-$(CONFIG_SERIAL_DEV_CTRL_TTYPORT) += serdev-ttyport.o