diff --git a/components/bt/common/ble_log/src/ble_log_lbm.c b/components/bt/common/ble_log/src/ble_log_lbm.c
index 5078f2bad7..9b8626d1ad 100644
--- a/components/bt/common/ble_log/src/ble_log_lbm.c
+++ b/components/bt/common/ble_log/src/ble_log_lbm.c
@@ -421,6 +421,7 @@ deref:
     BLE_LOG_REF_COUNT_RELEASE(&lbm_ref_count);
 }
 
+BLE_LOG_IRAM_ATTR
 bool ble_log_write_hex(ble_log_src_t src_code, const uint8_t *addr, size_t len)
 {
     BLE_LOG_REF_COUNT_ACQUIRE(&lbm_ref_count);
diff --git a/components/bt/common/ble_log/src/internal_include/ble_log_ts.h b/components/bt/common/ble_log/src/internal_include/ble_log_ts.h
index 11e74e1508..5e0864b258 100644
--- a/components/bt/common/ble_log/src/internal_include/ble_log_ts.h
+++ b/components/bt/common/ble_log/src/internal_include/ble_log_ts.h
@@ -29,10 +29,10 @@ extern uint32_t r_ble_lll_timer_current_tick_get(void);
 #elif defined(CONFIG_IDF_TARGET_ESP32C2)
 extern uint32_t r_os_cputime_get32(void);
 #define BLE_LOG_GET_LC_TS r_os_cputime_get32()
-/* Legacy BLE Controller (Wait for support) */
-// #elif defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S3)
-// extern uint32_t lld_read_clock_us(void);
-// #define BLE_LOG_GET_LC_TS lld_read_clock_us()
+/* Legacy BLE Controller */
+#elif defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S3)
+extern uint32_t lld_read_clock_us(void);
+#define BLE_LOG_GET_LC_TS lld_read_clock_us()
 #else /* Other targets */
 #define BLE_LOG_GET_LC_TS 0
 #endif /* BLE targets */