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mturquette/cpufreq call graph generation

Last active October 28, 2015 11:38
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cpufreq call graph generation
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 4134038..fa31cb5 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -1,4 +1,5 @@
# CPUfreq core
+ccflags-y += -fdump-rtl-expand
obj-$(CONFIG_CPU_FREQ) += cpufreq.o freq_table.o
obj-$(CONFIG_PM_OPP) += cpufreq_opp.o
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