Fix: remove regmap instrumentation for kernels < 4.1

[lttng-modules.git] / probes / Makefile

diff --git a/probes/Makefile b/probes/Makefile
index d4baaeb204ab3cdfb65ebca56555c6e6c3910c1b..4de157b3dcdffb3b734dbd4df413639e8f9f696e 100644 (file)
--- a/probes/Makefile
+++ b/probes/Makefile
@@ -192,14 +192,11 @@ obj-m +=  $(shell \
                echo "lttng-probe-rcu.o" ; fi;)
 
 ifneq ($(CONFIG_REGMAP),)
-regmap_dep = $(srctree)/drivers/base/regmap/trace.h $(srctree)/include/trace/events/regmap.h
-ifneq ($(wildcard $(regmap_dep)),)
-obj-m +=  $(shell \
-       if [ $(VERSION) -ge 4 \
-               -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
-               echo "lttng-probe-regmap.o" ; fi;)
+regmap_dep_4_1 = $(srctree)/drivers/base/regmap/trace.h
+ifneq ($(wildcard $(regmap_dep_4_1)),)
+obj-m += lttng-probe-regmap.o
 else
-$(warning Either of files { $(regmap_dep) } not found. Probe "regmap" is disabled. Use full kernel source tree to enable it.)
+$(warning File $(regmap_dep_4_1) not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it.)
 endif
 endif