diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index 86b7b44cfca2..1906c711f38a 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -9,6 +9,7 @@
 #define I3C_INTERNALS_H
 
 #include <linux/i3c/master.h>
+#include <linux/io.h>
 
 extern struct bus_type i3c_bus_type;