refactor(usbh) improve the usage of bus info

examples/host/cdc_msc_hid/src/msc_app.c

@@ -30,13 +30,11 @@
 //--------------------------------------------------------------------+
 static scsi_inquiry_resp_t inquiry_resp;
 
-bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_data)
-{
+static bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_data) {
   msc_cbw_t const* cbw = cb_data->cbw;
   msc_csw_t const* csw = cb_data->csw;
 
-  if (csw->status != 0)
-  {
+  if (csw->status != 0) {
     printf("Inquiry failed\r\n");
     return false;
   }
@@ -55,16 +53,14 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_da
 }
 
 //------------- IMPLEMENTATION -------------//
-void tuh_msc_mount_cb(uint8_t dev_addr)
-{
+void tuh_msc_mount_cb(uint8_t dev_addr) {
   printf("A MassStorage device is mounted\r\n");
 
   uint8_t const lun = 0;
   tuh_msc_inquiry(dev_addr, lun, &inquiry_resp, inquiry_complete_cb, 0);
 }
 
-void tuh_msc_umount_cb(uint8_t dev_addr)
-{
+void tuh_msc_umount_cb(uint8_t dev_addr) {
   (void) dev_addr;
   printf("A MassStorage device is unmounted\r\n");
 }

src/host/hcd.h

@@ -90,13 +90,6 @@ typedef struct {
   };
 } hcd_event_t;
 
-typedef struct {
-  uint8_t rhport;
-  uint8_t hub_addr;
-  uint8_t hub_port;
-  uint8_t speed;
-} hcd_devtree_info_t;
-
 //--------------------------------------------------------------------+
 // Memory API
 //--------------------------------------------------------------------+
@@ -186,13 +179,6 @@ bool hcd_edpt_clear_stall(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr);
 // USBH implemented API
 //--------------------------------------------------------------------+
 
-// Get device tree information of a device
-// USB device tree can be complicated and manged by USBH, this help HCD to retrieve
-// needed topology info to carry out its work
-extern void hcd_devtree_get_info(uint8_t dev_addr, hcd_devtree_info_t* devtree_info);
-
-//------------- Event API -------------//
-
 // Called by HCD to notify stack
 extern void hcd_event_handler(hcd_event_t const* event, bool in_isr);
 
@@ -239,4 +225,4 @@ void hcd_event_xfer_complete(uint8_t dev_addr, uint8_t ep_addr, uint32_t xferred
  }
 #endif
 
-#endif /* _TUSB_HCD_H_ */
+#endif