2 files changed, 13 insertions, 0 deletions
diff --git a/src/device/usbd.c b/src/device/usbd.c
index e337a5000..1e21c667a 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -580,6 +580,8 @@ bool tud_deinit(uint8_t rhport) {
 
   TU_LOG_USBD("USBD deinit on controller %u\r\n", rhport);
 
+  const uint8_t cfg_num = _usbd_dev.cfg_num;
+
   // Deinit device controller driver
   dcd_int_disable(rhport);
   dcd_disconnect(rhport);
@@ -594,6 +596,10 @@ bool tud_deinit(uint8_t rhport) {
     }
   }
 
+  // Clear device data
+  tu_varclr(&_usbd_dev);
+  usbd_control_reset();
+
   // Deinit device queue & task
   osal_queue_delete(_usbd_q);
   _usbd_q = NULL;
@@ -605,6 +611,11 @@ bool tud_deinit(uint8_t rhport) {
 #endif
 
   _usbd_rhport = RHPORT_INVALID;
+
+  if (cfg_num > 0) {
+    tud_umount_cb();
+  }
+
   return true;
 }
 
diff --git a/src/device/usbd.h b/src/device/usbd.h
index efde9377f..bd5a3c395 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -58,6 +58,7 @@ typedef union {
 bool tud_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param);
 
 // New API to replace tud_init() to init device stack on specific roothub port
+// Must be called in the same task/context as tud_task() if RTOS is used
 bool tud_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init);
 
 // Init device stack on roothub port
@@ -73,6 +74,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool tud_init (uint8_t rhport) {
 }
 
 // Deinit device stack on roothub port
+// Must be called in the same task/context as tud_task() if RTOS is used
 bool tud_deinit(uint8_t rhport);
 
 // Check if device stack is already initialized