[PATCH] hid: Use Kbuild idiom in Makefiles

From: Michal Marek
Date: Wed Jan 21 2015 - 08:08:08 EST


Use <driver>-$(CONFIG_FOO) syntax to build multipart objects with
optional parts, since all the config options are bool. Also, delete the
obvious comments in the usbhid Makefile.

Signed-off-by: Michal Marek <mmarek@xxxxxxx>
---
drivers/hid/Makefile | 49 +++++++++++----------------------------------
drivers/hid/usbhid/Makefile | 12 ++---------
2 files changed, 14 insertions(+), 47 deletions(-)

diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index debd15b..11a3708 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -2,10 +2,7 @@
# Makefile for the HID driver
#
hid-y := hid-core.o hid-input.o
-
-ifdef CONFIG_DEBUG_FS
- hid-objs += hid-debug.o
-endif
+hid-$(CONFIG_DEBUG_FS) += hid-debug.o

obj-$(CONFIG_HID) += hid.o
obj-$(CONFIG_UHID) += uhid.o
@@ -15,23 +12,13 @@ obj-$(CONFIG_HID_GENERIC) += hid-generic.o
hid-$(CONFIG_HIDRAW) += hidraw.o

hid-logitech-y := hid-lg.o
-ifdef CONFIG_LOGITECH_FF
- hid-logitech-y += hid-lgff.o
-endif
-ifdef CONFIG_LOGIRUMBLEPAD2_FF
- hid-logitech-y += hid-lg2ff.o
-endif
-ifdef CONFIG_LOGIG940_FF
- hid-logitech-y += hid-lg3ff.o
-endif
-ifdef CONFIG_LOGIWHEELS_FF
- hid-logitech-y += hid-lg4ff.o
-endif
+hid-logitech-$(CONFIG_LOGITECH_FF) += hid-lgff.o
+hid-logitech-$(CONFIG_LOGIRUMBLEPAD2_FF) += hid-lg2ff.o
+hid-logitech-$(CONFIG_LOGIG940_FF) += hid-lg3ff.o
+hid-logitech-$(CONFIG_LOGIWHEELS_FF) += hid-lg4ff.o

hid-wiimote-y := hid-wiimote-core.o hid-wiimote-modules.o
-ifdef CONFIG_DEBUG_FS
- hid-wiimote-y += hid-wiimote-debug.o
-endif
+hid-wiimote-$(CONFIG_DEBUG_FS) += hid-wiimote-debug.o

obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
obj-$(CONFIG_HID_ACRUX) += hid-axff.o
@@ -76,24 +63,12 @@ obj-$(CONFIG_HID_PENMOUNT) += hid-penmount.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o
hid-picolcd-y += hid-picolcd_core.o
-ifdef CONFIG_HID_PICOLCD_FB
-hid-picolcd-y += hid-picolcd_fb.o
-endif
-ifdef CONFIG_HID_PICOLCD_BACKLIGHT
-hid-picolcd-y += hid-picolcd_backlight.o
-endif
-ifdef CONFIG_HID_PICOLCD_LCD
-hid-picolcd-y += hid-picolcd_lcd.o
-endif
-ifdef CONFIG_HID_PICOLCD_LEDS
-hid-picolcd-y += hid-picolcd_leds.o
-endif
-ifdef CONFIG_HID_PICOLCD_CIR
-hid-picolcd-y += hid-picolcd_cir.o
-endif
-ifdef CONFIG_DEBUG_FS
-hid-picolcd-y += hid-picolcd_debugfs.o
-endif
+hid-picolcd-$(CONFIG_HID_PICOLCD_FB) += hid-picolcd_fb.o
+hid-picolcd-$(CONFIG_HID_PICOLCD_BACKLIGHT) += hid-picolcd_backlight.o
+hid-picolcd-$(CONFIG_HID_PICOLCD_LCD) += hid-picolcd_lcd.o
+hid-picolcd-$(CONFIG_HID_PICOLCD_LEDS) += hid-picolcd_leds.o
+hid-picolcd-$(CONFIG_HID_PICOLCD_CIR) += hid-picolcd_cir.o
+hid-picolcd-$(CONFIG_DEBUG_FS) += hid-picolcd_debugfs.o

obj-$(CONFIG_HID_PLANTRONICS) += hid-plantronics.o
obj-$(CONFIG_HID_PRIMAX) += hid-primax.o
diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile
index db3cf31..890f291 100644
--- a/drivers/hid/usbhid/Makefile
+++ b/drivers/hid/usbhid/Makefile
@@ -2,17 +2,9 @@
# Makefile for the USB input drivers
#

-# Multipart objects.
usbhid-y := hid-core.o hid-quirks.o
-
-# Optional parts of multipart objects.
-
-ifeq ($(CONFIG_USB_HIDDEV),y)
- usbhid-y += hiddev.o
-endif
-ifeq ($(CONFIG_HID_PID),y)
- usbhid-y += hid-pidff.o
-endif
+usbhid-$(CONFIG_USB_HIDDEV) += hiddev.o
+usbhid-$(CONFIG_HID_PID) += hid-pidff.o

obj-$(CONFIG_USB_HID) += usbhid.o
obj-$(CONFIG_USB_KBD) += usbkbd.o
--
2.1.2

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