diff --git a/arch/xtensa/src/esp32/esp32_cpustart.c b/arch/xtensa/src/esp32/esp32_cpustart.c
index 795263c7360..8fa169d94c8 100644
--- a/arch/xtensa/src/esp32/esp32_cpustart.c
+++ b/arch/xtensa/src/esp32/esp32_cpustart.c
@@ -55,8 +55,8 @@ static volatile spinlock_t g_appcpu_interlock SP_SECTION;
  * ROM function prototypes
  ****************************************************************************/
 
-extern void Cache_Flush(int cpu);
-extern void Cache_Read_Enable(int cpu);
+extern void cache_flush(int cpu);
+extern void cache_read_enable(int cpu);
 extern void ets_set_appcpu_boot_addr(uint32_t start);
 
 /****************************************************************************
@@ -277,8 +277,8 @@ int up_cpu_start(int cpu)
 
       /* Flush and enable I-cache for APP CPU */
 
-      Cache_Flush(cpu);
-      Cache_Read_Enable(cpu);
+      cache_flush(cpu);
+      cache_read_enable(cpu);
 
       /* Unstall the APP CPU */
 
diff --git a/arch/xtensa/src/esp32/esp32_spiflash.c b/arch/xtensa/src/esp32/esp32_spiflash.c
index a4081b24612..489be180660 100644
--- a/arch/xtensa/src/esp32/esp32_spiflash.c
+++ b/arch/xtensa/src/esp32/esp32_spiflash.c
@@ -173,7 +173,7 @@ struct spiflash_cachestate_s
  * ROM function prototypes
  ****************************************************************************/
 
-extern void Cache_Flush(int cpu);
+extern void cache_flush(int cpu);
 
 /****************************************************************************
  * Private Functions Prototypes
@@ -535,9 +535,9 @@ static void IRAM_ATTR spiflash_flushmapped(size_t start, size_t size)
 #ifdef CONFIG_ESP32_SPIRAM
           esp_spiram_writeback_cache();
 #endif
-          Cache_Flush(0);
+          cache_flush(0);
 #ifdef CONFIG_SMP
-          Cache_Flush(1);
+          cache_flush(1);
 #endif
         }
     }
@@ -1377,9 +1377,9 @@ static int IRAM_ATTR esp32_mmap(FAR struct esp32_spiflash_s *priv,
 #ifdef CONFIG_ESP32_SPIRAM
       esp_spiram_writeback_cache();
 #endif
-      Cache_Flush(0);
+      cache_flush(0);
 #ifdef CONFIG_SMP
-      Cache_Flush(1);
+      cache_flush(1);
 #endif
     }
 
@@ -1422,9 +1422,9 @@ static void IRAM_ATTR esp32_ummap(FAR struct esp32_spiflash_s *priv,
 #ifdef CONFIG_ESP32_SPIRAM
   esp_spiram_writeback_cache();
 #endif
-  Cache_Flush(0);
+  cache_flush(0);
 #ifdef CONFIG_SMP
-  Cache_Flush(1);
+  cache_flush(1);
 #endif
   esp32_spiflash_opdone(&state);
 }
diff --git a/boards/xtensa/esp32/esp32-devkitc/scripts/esp32_rom.ld b/boards/xtensa/esp32/esp32-devkitc/scripts/esp32_rom.ld
index 2333d20abaa..6088eeb708a 100644
--- a/boards/xtensa/esp32/esp32-devkitc/scripts/esp32_rom.ld
+++ b/boards/xtensa/esp32/esp32-devkitc/scripts/esp32_rom.ld
@@ -60,10 +60,10 @@ PROVIDE ( btdm_r_plf_func_p_set = 0x40054288 );
 PROVIDE ( bt_util_buf_env = 0x3ffb8bd4 );
 PROVIDE ( bzero = 0x4000c1f4 );
 PROVIDE ( cache_flash_mmu_set = 0x400095e0 );
-PROVIDE ( Cache_Flush = 0x40009a14 );
-PROVIDE ( Cache_Read_Disable = 0x40009ab8 );
-PROVIDE ( Cache_Read_Enable = 0x40009a84 );
-PROVIDE ( Cache_Read_Init = 0x40009950 );
+PROVIDE ( cache_flush = 0x40009a14 );
+PROVIDE ( cache_read_disable = 0x40009ab8 );
+PROVIDE ( cache_read_enable = 0x40009a84 );
+PROVIDE ( cache_read_init = 0x40009950 );
 /* This is static function, but can be used, not generated by script*/
 PROVIDE ( calc_rtc_memory_crc = 0x40008170 );
 PROVIDE ( calloc = 0x4000bee4 );
diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/scripts/esp32_rom.ld b/boards/xtensa/esp32/esp32-ethernet-kit/scripts/esp32_rom.ld
index 2333d20abaa..6088eeb708a 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/scripts/esp32_rom.ld
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/scripts/esp32_rom.ld
@@ -60,10 +60,10 @@ PROVIDE ( btdm_r_plf_func_p_set = 0x40054288 );
 PROVIDE ( bt_util_buf_env = 0x3ffb8bd4 );
 PROVIDE ( bzero = 0x4000c1f4 );
 PROVIDE ( cache_flash_mmu_set = 0x400095e0 );
-PROVIDE ( Cache_Flush = 0x40009a14 );
-PROVIDE ( Cache_Read_Disable = 0x40009ab8 );
-PROVIDE ( Cache_Read_Enable = 0x40009a84 );
-PROVIDE ( Cache_Read_Init = 0x40009950 );
+PROVIDE ( cache_flush = 0x40009a14 );
+PROVIDE ( cache_read_disable = 0x40009ab8 );
+PROVIDE ( cache_read_enable = 0x40009a84 );
+PROVIDE ( cache_read_init = 0x40009950 );
 /* This is static function, but can be used, not generated by script*/
 PROVIDE ( calc_rtc_memory_crc = 0x40008170 );
 PROVIDE ( calloc = 0x4000bee4 );
diff --git a/boards/xtensa/esp32/esp32-wrover-kit/scripts/esp32_rom.ld b/boards/xtensa/esp32/esp32-wrover-kit/scripts/esp32_rom.ld
index 2333d20abaa..6088eeb708a 100644
--- a/boards/xtensa/esp32/esp32-wrover-kit/scripts/esp32_rom.ld
+++ b/boards/xtensa/esp32/esp32-wrover-kit/scripts/esp32_rom.ld
@@ -60,10 +60,10 @@ PROVIDE ( btdm_r_plf_func_p_set = 0x40054288 );
 PROVIDE ( bt_util_buf_env = 0x3ffb8bd4 );
 PROVIDE ( bzero = 0x4000c1f4 );
 PROVIDE ( cache_flash_mmu_set = 0x400095e0 );
-PROVIDE ( Cache_Flush = 0x40009a14 );
-PROVIDE ( Cache_Read_Disable = 0x40009ab8 );
-PROVIDE ( Cache_Read_Enable = 0x40009a84 );
-PROVIDE ( Cache_Read_Init = 0x40009950 );
+PROVIDE ( cache_flush = 0x40009a14 );
+PROVIDE ( cache_read_disable = 0x40009ab8 );
+PROVIDE ( cache_read_enable = 0x40009a84 );
+PROVIDE ( cache_read_init = 0x40009950 );
 /* This is static function, but can be used, not generated by script*/
 PROVIDE ( calc_rtc_memory_crc = 0x40008170 );
 PROVIDE ( calloc = 0x4000bee4 );