diff --git a/bsp/es32f0334/drivers/drv_rtc.c b/bsp/es32f0334/drivers/drv_rtc.c
index cea28064f9..26b17b62b6 100644
--- a/bsp/es32f0334/drivers/drv_rtc.c
+++ b/bsp/es32f0334/drivers/drv_rtc.c
@@ -19,7 +19,7 @@
 
 #ifdef RT_USING_RTC
 
-static void rtc_init(rtc_init_t *init)
+static void __rtc_init(rtc_init_t *init)
 {
     assert_param(IS_RTC_HOUR_FORMAT(init->hour_format));
     assert_param(IS_RTC_OUTPUT_SEL(init->output));
@@ -129,7 +129,7 @@ int rt_hw_rtc_init(void)
     rtc_initstruct.asynch_pre_div = 0;
     rtc_initstruct.synch_pre_div = 32767;
     rtc_initstruct.output = RTC_OUTPUT_DISABLE;
-    rtc_init(&rtc_initstruct);
+    __rtc_init(&rtc_initstruct);
 
     rtc_dev.type = RT_Device_Class_RTC;
     rtc_dev.rx_indicate = RT_NULL;
diff --git a/bsp/es32f0334/drivers/drv_spiflash.c b/bsp/es32f0334/drivers/drv_spiflash.c
index 227d4a722f..62cb17328a 100644
--- a/bsp/es32f0334/drivers/drv_spiflash.c
+++ b/bsp/es32f0334/drivers/drv_spiflash.c
@@ -15,7 +15,7 @@
 #include "drv_spi.h"
 
 #if defined(BSP_USING_SPI_FLASH)
-static int rt_hw_spi_flash_init(void)
+int rt_hw_spi_flash_init(void)
 {
     es32f0_spi_device_attach(50, "spi0", "spi00");
 
diff --git a/bsp/es32f0654/drivers/drv_rtc.c b/bsp/es32f0654/drivers/drv_rtc.c
index 0c9822e4e7..a16d4f179c 100644
--- a/bsp/es32f0654/drivers/drv_rtc.c
+++ b/bsp/es32f0654/drivers/drv_rtc.c
@@ -19,7 +19,7 @@
 
 #ifdef RT_USING_RTC
 
-static void rtc_init(rtc_init_t *init)
+static void __rtc_init(rtc_init_t *init)
 {
     assert_param(IS_RTC_HOUR_FORMAT(init->hour_format));
     assert_param(IS_RTC_OUTPUT_SEL(init->output));
@@ -129,7 +129,7 @@ int rt_hw_rtc_init(void)
     rtc_initstruct.asynch_pre_div = 0;
     rtc_initstruct.synch_pre_div = 32767;
     rtc_initstruct.output = RTC_OUTPUT_DISABLE;
-    rtc_init(&rtc_initstruct);
+    __rtc_init(&rtc_initstruct);
 
     rtc_dev.type = RT_Device_Class_RTC;
     rtc_dev.rx_indicate = RT_NULL;
diff --git a/bsp/es32f0654/drivers/drv_spiflash.c b/bsp/es32f0654/drivers/drv_spiflash.c
index 875707f2b9..0ed0dcc445 100644
--- a/bsp/es32f0654/drivers/drv_spiflash.c
+++ b/bsp/es32f0654/drivers/drv_spiflash.c
@@ -15,7 +15,7 @@
 #include "drv_spi.h"
 
 #if defined(BSP_USING_SPI_FLASH)
-static int rt_hw_spi_flash_init(void)
+int rt_hw_spi_flash_init(void)
 {
     es32f0_spi_device_attach(50, "spi0", "spi00");