rtc: change to new flag variable

Replace EXTRA_CFLAGS with ccflags-y.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 2afdaf3..5f6c383 100644 (file)
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -2,9 +2,7 @@
 # Makefile for RTC class/drivers.
 #
 
-ifeq ($(CONFIG_RTC_DEBUG),y)
-       EXTRA_CFLAGS            += -DDEBUG
-endif
+ccflags-$(CONFIG_RTC_DEBUG)    := -DDEBUG
 
 obj-$(CONFIG_RTC_LIB)          += rtc-lib.o
 obj-$(CONFIG_RTC_HCTOSYS)      += hctosys.o