diff --git a/drivers/clk/clk_stm32f.c b/drivers/clk/clk_stm32f.c
index 6d604cd..93722f7 100644
--- a/drivers/clk/clk_stm32f.c
+++ b/drivers/clk/clk_stm32f.c
@@ -9,6 +9,7 @@
 #include <dm.h>
 #include <log.h>
 #include <stm32_rcc.h>
+#include <linux/bitops.h>
 
 #include <asm/io.h>
 #include <asm/arch/stm32.h>