diff --git a/targets/bsp/drivers/csky_driver/driver.patch b/targets/bsp/drivers/csky_driver/driver.patch
index f3dceb86c8ca311105deac69aee9fa4c5dc1fc5a..07890d57633c5b53100ba542a8804dd65ce0936d 100644
--- a/targets/bsp/drivers/csky_driver/driver.patch
+++ b/targets/bsp/drivers/csky_driver/driver.patch
@@ -145,6 +145,15 @@ index 29aa36d..55b2843 100644
  
  #include "csi_core.h"                     /* Processor and core peripherals */
  #include "stdint.h"
+@@ -186,7 +181,7 @@ typedef enum {
+ /* ================================================================================ */
+ /* --------------------------  CHIP memory map  ------------------------------- */
+ 
+-enum {
++typedef enum {
+     ADDR_SPACE_ERROR      = -1,
+     ADDR_SPACE_EFLASH     =  0,
+     ADDR_SPACE_SRAM       =  1,
 diff --git a/Src/ck_trng.c b/Src/ck_trng.c
 index f7b36fc..dffa884 100644
 --- a/Src/ck_trng.c
diff --git a/targets/bsp/drivers/csky_driver/patch.sha256 b/targets/bsp/drivers/csky_driver/patch.sha256
index 338c5a494915b6a40b3a3ad50f3b13c6a9d28ec9..1b80b9b72d5f72ca33da3a59ad49246cf679e7f0 100644
--- a/targets/bsp/drivers/csky_driver/patch.sha256
+++ b/targets/bsp/drivers/csky_driver/patch.sha256
@@ -1 +1 @@
-9ca2812452ed76a02c1d6687f32b609d011c43493423a0920016daad1b40234c  driver.patch
+9d514b3b39fce59b1f144a09e41e2db1b9254fba89d641400a03101d25025a28  driver.patch