HID: Use Kbuild idiom in Makefiles

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@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

2 files changed, 14 insertions, 47 deletions

diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index debd15b44b59..11a370878a64 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 db3cf31c6fa1..890f2914a8ff 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