diff --git a/src/device/dcd.h b/src/device/dcd.h
index 66767c1fe..8d042bbde 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -137,6 +137,11 @@ void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * re
 // Configure endpoint's registers according to descriptor
 bool dcd_edpt_open            (uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
 
+// Close all non-control endpoints, cancel all pending transfers if any.
+// Invoked when switching from a non-zero Configuration by SET_CONFIGURE therefore
+// required for multiple configuration support.
+void dcd_edpt_close_all       (uint8_t rhport);
+
 // Close an endpoint.
 // Since it is weak, caller must TU_ASSERT this function's existence before calling it.
 void dcd_edpt_close           (uint8_t rhport, uint8_t ep_addr) TU_ATTR_WEAK;
diff --git a/src/device/usbd.c b/src/device/usbd.c
index 2b706e291..b2babb7a0 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -38,7 +38,7 @@
 //--------------------------------------------------------------------+
 
 // Debug level of USBD
-#define USBD_DBG_LVL   2
+#define USBD_DBG   2
 
 #ifndef CFG_TUD_TASK_QUEUE_SZ
   #define CFG_TUD_TASK_QUEUE_SZ   16
@@ -432,19 +432,22 @@ bool tud_init (uint8_t rhport)
   return true;
 }
 
-static void usbd_reset(uint8_t rhport)
+static void configuration_reset(uint8_t rhport)
 {
-  tu_varclr(&_usbd_dev);
-
-  memset(_usbd_dev.itf2drv, DRVID_INVALID, sizeof(_usbd_dev.itf2drv)); // invalid mapping
-  memset(_usbd_dev.ep2drv , DRVID_INVALID, sizeof(_usbd_dev.ep2drv )); // invalid mapping
-
-  usbd_control_reset();
-
   for ( uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++ )
   {
     get_driver(i)->reset(rhport);
   }
+
+  tu_varclr(&_usbd_dev);
+  memset(_usbd_dev.itf2drv, DRVID_INVALID, sizeof(_usbd_dev.itf2drv)); // invalid mapping
+  memset(_usbd_dev.ep2drv , DRVID_INVALID, sizeof(_usbd_dev.ep2drv )); // invalid mapping
+}
+
+static void usbd_reset(uint8_t rhport)
+{
+  configuration_reset(rhport);
+  usbd_control_reset();
 }
 
 bool tud_task_event_ready(void)
@@ -686,9 +689,29 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
         {
           uint8_t const cfg_num = (uint8_t) p_request->wValue;
 
-          if ( !_usbd_dev.cfg_num && cfg_num ) TU_ASSERT( process_set_config(rhport, cfg_num) );
-          _usbd_dev.cfg_num = cfg_num;
+          // Only process if new configure is different
+          if (_usbd_dev.cfg_num != cfg_num)
+          {
+            if ( _usbd_dev.cfg_num )
+            {
+              // already configured: need to clear all endpoints and driver first
+              TU_LOG(USBD_DBG, "Clear current config (%u) before switching\r\n", _usbd_dev.cfg_num);
 
+              // close all non-control endpoints, cancel all pending transfers if any
+              dcd_edpt_close_all(rhport);
+
+              // close all drivers and current configured state except bus speed
+              uint8_t const speed = _usbd_dev.speed;
+              configuration_reset(rhport);
+
+              _usbd_dev.speed = speed; // restore speed
+            }
+
+            // switch to new configuration if not zero
+            if ( cfg_num ) TU_ASSERT( process_set_config(rhport, cfg_num) );
+          }
+
+          _usbd_dev.cfg_num = cfg_num;
           tud_control_status(rhport, p_request);
         }
         break;
@@ -701,7 +724,7 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
           // Only support remote wakeup for device feature
           TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
 
-          TU_LOG(USBD_DBG_LVL, "    Enable Remote Wakeup\r\n");
+          TU_LOG(USBD_DBG, "    Enable Remote Wakeup\r\n");
 
           // Host may enable remote wake up before suspending especially HID device
           _usbd_dev.remote_wakeup_en = true;
@@ -712,7 +735,7 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
           // Only support remote wakeup for device feature
           TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
 
-          TU_LOG(USBD_DBG_LVL, "    Disable Remote Wakeup\r\n");
+          TU_LOG(USBD_DBG, "    Disable Remote Wakeup\r\n");
 
           // Host may disable remote wake up after resuming
           _usbd_dev.remote_wakeup_en = false;
@@ -851,7 +874,8 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
 // This function parse configuration descriptor & open drivers accordingly
 static bool process_set_config(uint8_t rhport, uint8_t cfg_num)
 {
-  tusb_desc_configuration_t const * desc_cfg = (tusb_desc_configuration_t const *) tud_descriptor_configuration_cb(cfg_num-1); // index is cfg_num-1
+  // index is cfg_num-1
+  tusb_desc_configuration_t const * desc_cfg = (tusb_desc_configuration_t const *) tud_descriptor_configuration_cb(cfg_num-1);
   TU_ASSERT(desc_cfg != NULL && desc_cfg->bDescriptorType == TUSB_DESC_CONFIGURATION);
 
   // Parse configuration descriptor
@@ -1309,7 +1333,7 @@ bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr)
 
 void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 {
-  TU_LOG(USBD_DBG_LVL, "    Stall EP %02X", ep_addr);
+  TU_LOG(USBD_DBG, "    Stall EP %02X", ep_addr);
 
   uint8_t const epnum = tu_edpt_number(ep_addr);
   uint8_t const dir   = tu_edpt_dir(ep_addr);
@@ -1321,7 +1345,7 @@ void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 
 void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
 {
-  TU_LOG(USBD_DBG_LVL, "    Clear Stall EP %02X", ep_addr);
+  TU_LOG(USBD_DBG, "    Clear Stall EP %02X", ep_addr);
 
   uint8_t const epnum = tu_edpt_number(ep_addr);
   uint8_t const dir   = tu_edpt_dir(ep_addr);
diff --git a/src/portable/dialog/da146xx/dcd_da146xx.c b/src/portable/dialog/da146xx/dcd_da146xx.c
index 5fcf3bc5b..7b0d8f86c 100644
--- a/src/portable/dialog/da146xx/dcd_da146xx.c
+++ b/src/portable/dialog/da146xx/dcd_da146xx.c
@@ -847,6 +847,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
   uint8_t const epnum = tu_edpt_number(ep_addr);
diff --git a/src/portable/espressif/esp32sx/dcd_esp32sx.c b/src/portable/espressif/esp32sx/dcd_esp32sx.c
index d728487c2..a5ada0da8 100644
--- a/src/portable/espressif/esp32sx/dcd_esp32sx.c
+++ b/src/portable/espressif/esp32sx/dcd_esp32sx.c
@@ -312,6 +312,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all(uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes)
 {
   (void)rhport;
diff --git a/src/portable/microchip/samd/dcd_samd.c b/src/portable/microchip/samd/dcd_samd.c
index 577bd0e05..54e8e62d9 100644
--- a/src/portable/microchip/samd/dcd_samd.c
+++ b/src/portable/microchip/samd/dcd_samd.c
@@ -240,6 +240,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/microchip/samg/dcd_samg.c b/src/portable/microchip/samg/dcd_samg.c
index d50621ce4..81779c56b 100644
--- a/src/portable/microchip/samg/dcd_samg.c
+++ b/src/portable/microchip/samg/dcd_samg.c
@@ -269,6 +269,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 // Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
diff --git a/src/portable/microchip/samx7x/dcd_samx7x.c b/src/portable/microchip/samx7x/dcd_samx7x.c
index 0d9e184f6..032547e47 100644
--- a/src/portable/microchip/samx7x/dcd_samx7x.c
+++ b/src/portable/microchip/samx7x/dcd_samx7x.c
@@ -544,6 +544,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   }
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
diff --git a/src/portable/mindmotion/mm32/dcd_mm32f327x_otg.c b/src/portable/mindmotion/mm32/dcd_mm32f327x_otg.c
index 59a40dc68..c472f2175 100644
--- a/src/portable/mindmotion/mm32/dcd_mm32f327x_otg.c
+++ b/src/portable/mindmotion/mm32/dcd_mm32f327x_otg.c
@@ -339,6 +339,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c
index f6b64c986..efc4d3183 100644
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -364,6 +364,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
diff --git a/src/portable/nuvoton/nuc120/dcd_nuc120.c b/src/portable/nuvoton/nuc120/dcd_nuc120.c
index 57cc76e81..7618f288d 100644
--- a/src/portable/nuvoton/nuc120/dcd_nuc120.c
+++ b/src/portable/nuvoton/nuc120/dcd_nuc120.c
@@ -273,6 +273,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/nuvoton/nuc121/dcd_nuc121.c b/src/portable/nuvoton/nuc121/dcd_nuc121.c
index a776e46f5..7edafe5d3 100644
--- a/src/portable/nuvoton/nuc121/dcd_nuc121.c
+++ b/src/portable/nuvoton/nuc121/dcd_nuc121.c
@@ -289,6 +289,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/nuvoton/nuc505/dcd_nuc505.c b/src/portable/nuvoton/nuc505/dcd_nuc505.c
index 4e633086d..ea5a8bea5 100644
--- a/src/portable/nuvoton/nuc505/dcd_nuc505.c
+++ b/src/portable/nuvoton/nuc505/dcd_nuc505.c
@@ -353,6 +353,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/nxp/khci/dcd_khci.c b/src/portable/nxp/khci/dcd_khci.c
index dce464fd2..1f5f4e5e1 100644
--- a/src/portable/nxp/khci/dcd_khci.c
+++ b/src/portable/nxp/khci/dcd_khci.c
@@ -347,6 +347,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
index 519d09151..2eae6d0f7 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
@@ -326,6 +326,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
diff --git a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
index 4392d1882..1bdf72d6d 100644
--- a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
+++ b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
@@ -323,6 +323,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 static void prepare_setup_packet(uint8_t rhport)
 {
   if (_dcd_controller[rhport].max_speed == TUSB_SPEED_FULL )
diff --git a/src/portable/nxp/transdimension/dcd_transdimension.c b/src/portable/nxp/transdimension/dcd_transdimension.c
index eeab3f487..42047ef92 100644
--- a/src/portable/nxp/transdimension/dcd_transdimension.c
+++ b/src/portable/nxp/transdimension/dcd_transdimension.c
@@ -366,6 +366,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
   dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
diff --git a/src/portable/raspberrypi/rp2040/dcd_rp2040.c b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
index 49284e92e..e81681d4f 100644
--- a/src/portable/raspberrypi/rp2040/dcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
@@ -428,6 +428,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
     return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
     assert(rhport == 0);
diff --git a/src/portable/renesas/usba/dcd_usba.c b/src/portable/renesas/usba/dcd_usba.c
index 095dcc136..a837b5724 100644
--- a/src/portable/renesas/usba/dcd_usba.c
+++ b/src/portable/renesas/usba/dcd_usba.c
@@ -733,6 +733,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
   (void)rhport;
diff --git a/src/portable/silabs/efm32/dcd_efm32.c b/src/portable/silabs/efm32/dcd_efm32.c
index bd1f32e6b..3bef83408 100644
--- a/src/portable/silabs/efm32/dcd_efm32.c
+++ b/src/portable/silabs/efm32/dcd_efm32.c
@@ -434,6 +434,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
 {
   (void)rhport;
diff --git a/src/portable/sony/cxd56/dcd_cxd56.c b/src/portable/sony/cxd56/dcd_cxd56.c
index 834976468..cfd74330f 100644
--- a/src/portable/sony/cxd56/dcd_cxd56.c
+++ b/src/portable/sony/cxd56/dcd_cxd56.c
@@ -312,6 +312,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
index eeba7204f..ccffa42d7 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
@@ -800,6 +800,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 /**
  * Close an endpoint.
  * 
diff --git a/src/portable/st/synopsys/dcd_synopsys.c b/src/portable/st/synopsys/dcd_synopsys.c
index 8a998aa3a..fe165e830 100644
--- a/src/portable/st/synopsys/dcd_synopsys.c
+++ b/src/portable/st/synopsys/dcd_synopsys.c
@@ -670,6 +670,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
   uint8_t const epnum = tu_edpt_number(ep_addr);
diff --git a/src/portable/template/dcd_template.c b/src/portable/template/dcd_template.c
index 12b9144bf..977369300 100644
--- a/src/portable/template/dcd_template.c
+++ b/src/portable/template/dcd_template.c
@@ -94,6 +94,11 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   return false;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+}
+
 // Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
diff --git a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
index 027ed26c9..ee85f0a77 100644
--- a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
+++ b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
@@ -298,6 +298,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
 {
   (void) rhport;
diff --git a/src/portable/valentyusb/eptri/dcd_eptri.c b/src/portable/valentyusb/eptri/dcd_eptri.c
index b68f04faa..89bc7a1ab 100644
--- a/src/portable/valentyusb/eptri/dcd_eptri.c
+++ b/src/portable/valentyusb/eptri/dcd_eptri.c
@@ -429,6 +429,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+void dcd_edpt_close_all (uint8_t rhport)
+{
+  (void) rhport;
+  // TODO implement dcd_edpt_close_all()
+}
+
 void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;