diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 4a96832a4b9c..c627800dd281 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -72,7 +72,7 @@ obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
 obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
 obj-$(CONFIG_REGULATOR_ACT8846) += act8846.o
 
-obj-$(CONFIG_ARCH_ROCKCHIP) += rk_io_vol_domain.o
+obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip_io_vol_domain.o
 
 
 ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/rk_io_vol_domain.c b/drivers/regulator/rockchip_io_vol_domain.c
similarity index 99%
rename from drivers/regulator/rk_io_vol_domain.c
rename to drivers/regulator/rockchip_io_vol_domain.c
index 1e96e2153130..a1c8243a6f24 100644
--- a/drivers/regulator/rk_io_vol_domain.c
+++ b/drivers/regulator/rockchip_io_vol_domain.c
@@ -17,7 +17,7 @@
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 #include <linux/pinctrl/consumer.h>
-#include <linux/regulator/rk_io_vol_domain.h>
+#include <linux/regulator/rockchip_io_vol_domain.h>
 
 struct io_domain_port *g_uap;
 
diff --git a/include/linux/regulator/rk_io_vol_domain.h b/include/linux/regulator/rockchip_io_vol_domain.h
similarity index 100%
rename from include/linux/regulator/rk_io_vol_domain.h
rename to include/linux/regulator/rockchip_io_vol_domain.h