diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c
index 9e817f120828..dc6d4e3e2a1b 100644
--- a/drivers/perf/arm_cspmu/nvidia_cspmu.c
+++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c
@@ -6,6 +6,7 @@
 
 /* Support for NVIDIA specific attributes. */
 
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/topology.h>