delete workq

core/usbh_core.c

@@ -830,8 +830,6 @@ int usbh_initialize(void)
     usbh_class_info_table_end = (struct usbh_class_info *)&_usbh_class_info_end;
 #endif
 
-    usbh_workq_initialize();
-
     usbh_core_cfg.pscevent = usb_osal_event_create();
     if (usbh_core_cfg.pscevent == NULL) {
         return -1;

core/usbh_core.h

@@ -36,7 +36,6 @@
 #include "usb_log.h"
 #include "usb_hc.h"
 #include "usb_osal.h"
-#include "usb_workq.h"
 #include "usbh_hub.h"
 
 #ifdef __cplusplus
@@ -129,7 +128,6 @@ typedef struct usbh_hub {
     struct usb_hub_descriptor hub_desc;
     struct usbh_hubport child[CONFIG_USBHOST_EHPORTS];
     struct usbh_hubport *parent; /* Parent hub port */
-    struct usb_work work;
 } usbh_hub_t;
 
 void usbh_event_notify_handler(uint8_t event, uint8_t rhport);