Makefile.common: allow CONFIG_CAN_CALC_BITTIMING to be disabled

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
git-svn-id: svn://svn.berlios.de//socketcan/trunk@936 030b6a49-0b11-0410-94ab-b0dab22257f2

diff --git a/kernel/2.6/Makefile.common b/kernel/2.6/Makefile.common
index 50bf84dd9de0cb033eff255f2437695da4c32492..4ffa94465f5e716eb495b63d5ca90b72eb1d9039 100644 (file)
--- a/kernel/2.6/Makefile.common
+++ b/kernel/2.6/Makefile.common
@@ -4,8 +4,11 @@ EXTRA_CFLAGS += \
        -I$(TOPDIR)/include \
        -I$(TOPDIR)/drivers/net/can/hal \
        \
-       -DCONFIG_CAN_CALC_BITTIMING \
        -DETH_P_CAN=0x000C \
        -DARPHRD_CAN=280
 
+ifneq ($(CONFIG_CAN_CALC_BITTIMING),n)
+EXTRA_CFLAGS += -DCONFIG_CAN_CALC_BITTIMING
+endif
+
 endif