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-rw-r--r--drivers/cpufreq/loongson1-cpufreq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cpufreq/loongson1-cpufreq.c b/drivers/cpufreq/loongson1-cpufreq.c
index be89416e2358..21c9ce8526c0 100644
--- a/drivers/cpufreq/loongson1-cpufreq.c
+++ b/drivers/cpufreq/loongson1-cpufreq.c
@@ -13,6 +13,7 @@
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/delay.h>
+#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>