diff --git a/components/driver/parlio/parlio_tx.c b/components/driver/parlio/parlio_tx.c
index fe0f74a34c..ee7c3cbefe 100644
--- a/components/driver/parlio/parlio_tx.c
+++ b/components/driver/parlio/parlio_tx.c
@@ -296,6 +296,10 @@ esp_err_t parlio_new_tx_unit(const parlio_tx_unit_config_t *config, parlio_tx_un
     // DMA descriptors must be placed in internal SRAM
     unit->dma_nodes = heap_caps_calloc(dma_nodes_num, sizeof(dma_descriptor_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA);
     ESP_GOTO_ON_FALSE(unit->dma_nodes, ESP_ERR_NO_MEM, err, TAG, "no memory for DMA nodes");
+    // Link the descriptors
+    for (int i = 0; i < dma_nodes_num; i++) {
+        unit->dma_nodes[i].next = (i == dma_nodes_num - 1) ? NULL : &(unit->dma_nodes[i + 1]);
+    }
     unit->max_transfer_bits = config->max_transfer_size * 8;
 
     unit->data_width = data_width;
diff --git a/components/hal/esp32c6/include/hal/parlio_ll.h b/components/hal/esp32c6/include/hal/parlio_ll.h
index a260d03521..55c1226702 100644
--- a/components/hal/esp32c6/include/hal/parlio_ll.h
+++ b/components/hal/esp32c6/include/hal/parlio_ll.h
@@ -87,7 +87,7 @@ static inline void parlio_ll_rx_set_clock_div(parl_io_dev_t *dev, uint32_t div)
 {
     (void)dev;
     HAL_ASSERT(div > 0 && div <= PARLIO_LL_RX_MAX_CLOCK_DIV);
-    PCR.parl_clk_rx_conf.parl_clk_rx_div_num = div - 1;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.parl_clk_rx_conf, parl_clk_rx_div_num, div - 1);
 }
 
 /**
@@ -369,7 +369,7 @@ static inline void parlio_ll_tx_set_clock_div(parl_io_dev_t *dev, uint32_t div)
 {
     (void)dev;
     HAL_ASSERT(div > 0 && div <= PARLIO_LL_TX_MAX_CLOCK_DIV);
-    PCR.parl_clk_tx_conf.parl_clk_tx_div_num = div - 1;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.parl_clk_tx_conf, parl_clk_tx_div_num, div - 1);
 }
 
 /**
diff --git a/components/hal/esp32h2/include/hal/parlio_ll.h b/components/hal/esp32h2/include/hal/parlio_ll.h
index ddf7946b99..b594f02add 100644
--- a/components/hal/esp32h2/include/hal/parlio_ll.h
+++ b/components/hal/esp32h2/include/hal/parlio_ll.h
@@ -87,7 +87,7 @@ static inline void parlio_ll_rx_set_clock_div(parl_io_dev_t *dev, uint32_t div)
 {
     (void)dev;
     HAL_ASSERT(div > 0 && div <= PARLIO_LL_RX_MAX_CLOCK_DIV);
-    PCR.parl_clk_rx_conf.parl_clk_rx_div_num = div - 1;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.parl_clk_rx_conf, parl_clk_rx_div_num, div - 1);
 }
 
 /**
@@ -373,7 +373,7 @@ static inline void parlio_ll_tx_set_clock_div(parl_io_dev_t *dev, uint32_t div)
 {
     (void)dev;
     HAL_ASSERT(div > 0 && div <= PARLIO_LL_TX_MAX_CLOCK_DIV);
-    PCR.parl_clk_tx_conf.parl_clk_tx_div_num = div - 1;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.parl_clk_tx_conf, parl_clk_tx_div_num, div - 1);
 }
 
 /**
diff --git a/components/hal/parlio_hal.c b/components/hal/parlio_hal.c
index d443008829..af8b9bb7c6 100644
--- a/components/hal/parlio_hal.c
+++ b/components/hal/parlio_hal.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include <stdlib.h>
 #include <stddef.h>
 #include "hal/parlio_hal.h"
 #include "hal/parlio_ll.h"