diff --git a/components/bt/common/ble_log/Kconfig.in b/components/bt/common/ble_log/Kconfig.in
index 5cb3bab284d..1255c725df0 100644
--- a/components/bt/common/ble_log/Kconfig.in
+++ b/components/bt/common/ble_log/Kconfig.in
@@ -17,8 +17,7 @@ if BLE_LOG_ENABLED
 
     config BLE_LOG_LBM_TRANS_BUF_SIZE
         int "Total buffer memory per common LBM (bytes)"
-        default 2048 if BT_BLUEDROID_ENABLED
-        default 4096 if BT_NIMBLE_ENABLED
+        default 2048
         help
             Total buffer memory allocated for each common pool log buffer
             manager (LBM). This memory is divided equally among internal
diff --git a/components/bt/common/ble_log/src/prph/ble_log_prph_spi_master_dma.c b/components/bt/common/ble_log/src/prph/ble_log_prph_spi_master_dma.c
index cbadf799ca5..6c43044bfaa 100644
--- a/components/bt/common/ble_log/src/prph/ble_log_prph_spi_master_dma.c
+++ b/components/bt/common/ble_log/src/prph/ble_log_prph_spi_master_dma.c
@@ -20,6 +20,12 @@
 #define BLE_LOG_SPI_DMA_ALIGN_BYTES         (4U)
 #define BLE_LOG_SPI_ALIGN_LOG_PERIOD        (256U)
 
+#if CONFIG_SPI_MASTER_ISR_IN_IRAM
+#define BLE_LOG_SPI_MASTER_DMA_CB_ATTR      BLE_LOG_IRAM_ATTR
+#else
+#define BLE_LOG_SPI_MASTER_DMA_CB_ATTR
+#endif
+
 /* VARIABLE */
 BLE_LOG_STATIC bool prph_inited = false;
 BLE_LOG_STATIC spi_device_handle_t dev_handle = NULL;
@@ -30,7 +36,7 @@ BLE_LOG_STATIC void spi_master_dma_tx_done_cb(spi_transaction_t *spi_trans);
 BLE_LOG_STATIC void spi_master_dma_pre_tx_cb(spi_transaction_t *spi_trans);
 
 /* PRIVATE FUNCTION */
-BLE_LOG_IRAM_ATTR BLE_LOG_STATIC void spi_master_dma_tx_done_cb(spi_transaction_t *spi_trans)
+BLE_LOG_SPI_MASTER_DMA_CB_ATTR BLE_LOG_STATIC void spi_master_dma_tx_done_cb(spi_transaction_t *spi_trans)
 {
     /* SPI slave performance issue workaround */
     last_tx_done_ts = esp_timer_get_time();
@@ -43,7 +49,7 @@ BLE_LOG_IRAM_ATTR BLE_LOG_STATIC void spi_master_dma_tx_done_cb(spi_transaction_
     __atomic_store_n(&trans->prph_owned, false, __ATOMIC_RELEASE);
 }
 
-BLE_LOG_IRAM_ATTR BLE_LOG_STATIC void spi_master_dma_pre_tx_cb(spi_transaction_t *spi_trans)
+BLE_LOG_SPI_MASTER_DMA_CB_ATTR BLE_LOG_STATIC void spi_master_dma_pre_tx_cb(spi_transaction_t *spi_trans)
 {
     /* SPI slave performance issue workaround */
     while ((esp_timer_get_time() - last_tx_done_ts) < BLE_LOG_SPI_TRANS_ITVL_MIN_US) {}