clean up

src/host/usbh.h

@@ -70,6 +70,11 @@ typedef struct {
 //--------------------------------------------------------------------+
 // APPLICATION API
 //--------------------------------------------------------------------+
+
+// Init host stack
+bool tuh_init(void);
+
+// Task function should be called in main/rtos loop
 void tuh_task(void);
 
 // Interrupt handler, name alias to HCD
@@ -97,11 +102,7 @@ TU_ATTR_WEAK void tuh_umount_cb(uint8_t dev_addr);
 // CLASS-USBH & INTERNAL API
 //--------------------------------------------------------------------+
 
-// Note: when using with RTOS, this should be called after scheduler/kernel is started.
-// Otherwise it could cause kernel issue since USB IRQ handler does use RTOS queue API.
-bool usbh_init(void);
 bool usbh_control_xfer (uint8_t dev_addr, tusb_control_request_t* request, uint8_t* data);
-
 bool usbh_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc);
 
 #ifdef __cplusplus