5 files changed, 8 insertions, 6 deletions
diff --git a/src/host/ehci/ehci.c b/src/host/ehci/ehci.c
index 445210c8b..f21e4cee2 100644
--- a/src/host/ehci/ehci.c
+++ b/src/host/ehci/ehci.c
@@ -647,7 +647,7 @@ static void qhd_xfer_complete_isr(ehci_qhd_t * p_qhd)
     {
       // end of request
       // call USBH callback
-      usbh_xfer_isr(p_qhd->device_address, edpt_addr(p_qhd->endpoint_number, p_qhd->pid_non_control == EHCI_PID_IN ? 1 : 0), XFER_RESULT_SUCCESS, p_qhd->total_xferred_bytes);
+      hcd_event_xfer_complete(p_qhd->device_address, edpt_addr(p_qhd->endpoint_number, p_qhd->pid_non_control == EHCI_PID_IN ? 1 : 0), XFER_RESULT_SUCCESS, p_qhd->total_xferred_bytes);
       p_qhd->total_xferred_bytes = 0;
     }
 
@@ -741,7 +741,7 @@ static void qhd_xfer_error_isr(ehci_qhd_t * p_qhd)
     }
 
     // call USBH callback
-    usbh_xfer_isr(p_qhd->device_address, edpt_addr(p_qhd->endpoint_number, p_qhd->pid_non_control == EHCI_PID_IN ? 1 : 0), error_event, p_qhd->total_xferred_bytes);
+    hcd_event_xfer_complete(p_qhd->device_address, edpt_addr(p_qhd->endpoint_number, p_qhd->pid_non_control == EHCI_PID_IN ? 1 : 0), error_event, p_qhd->total_xferred_bytes);
 
     p_qhd->total_xferred_bytes = 0;
   }
diff --git a/src/host/hcd.h b/src/host/hcd.h
index 14ec68a48..31a1876b4 100644
--- a/src/host/hcd.h
+++ b/src/host/hcd.h
@@ -127,6 +127,9 @@ void hcd_event_device_attach(uint8_t rhport);
 // Helper to send device removal event
 void hcd_event_device_remove(uint8_t hostid);
 
+// Helper to send USB transfer event
+void hcd_event_xfer_complete(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
+
 //--------------------------------------------------------------------+
 // Endpoints API
 //--------------------------------------------------------------------+
diff --git a/src/host/ohci/ohci.c b/src/host/ohci/ohci.c
index 88296fb82..08d562e0d 100644
--- a/src/host/ohci/ohci.c
+++ b/src/host/ohci/ohci.c
@@ -717,7 +717,7 @@ static void done_queue_isr(uint8_t hostid)
 
       if ( pipe_hdl.xfer_type != TUSB_XFER_CONTROL) pipe_hdl.index = ed_get_index(p_ed);
 
-      usbh_xfer_isr(pipe_hdl, p_ed->td_tail.class_code, event, xferred_bytes);
+      hcd_event_xfer_complete(pipe_hdl, p_ed->td_tail.class_code, event, xferred_bytes);
     }
 
     td_head = (ohci_td_item_t*) td_head->next_td;
diff --git a/src/host/usbh.c b/src/host/usbh.c
index a9e825f70..ff9ca9666 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -256,7 +256,7 @@ static inline tusb_error_t usbh_pipe_control_close(uint8_t dev_addr)
 // USBH-HCD ISR/Callback API
 //--------------------------------------------------------------------+
 // interrupt caused by a TD (with IOC=1) in pipe of class class_code
-void usbh_xfer_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
+void hcd_event_xfer_complete(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
 {
   usbh_device_t* dev = &_usbh_devices[ dev_addr ];
 
diff --git a/src/host/usbh_hcd.h b/src/host/usbh_hcd.h
index 3c1c1511d..48bb4bb9d 100644
--- a/src/host/usbh_hcd.h
+++ b/src/host/usbh_hcd.h
@@ -72,7 +72,6 @@ typedef struct {
 
   //------------- device -------------//
   volatile uint8_t state;             // device state, value from enum tusbh_device_state_t
-  uint32_t flag_supported_class;      // a bitmap of supported class
 
   //------------- control pipe -------------//
   struct {
@@ -96,7 +95,7 @@ extern usbh_device_t _usbh_devices[CFG_TUSB_HOST_DEVICE_MAX+1]; // including zer
 //--------------------------------------------------------------------+
 // callback from HCD ISR
 //--------------------------------------------------------------------+
-void usbh_xfer_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
+
 
 
 #ifdef __cplusplus