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1: struct usbd_usb_deviceinfo * Usbh_Api_EnumRootHub( struct usbd_usb_deviceinfo * pRootHub ) 2: { 3: struct usbd_usb_deviceinfo * rh = NULL; 4: 5: #ifdef SUPPORT_HCDEHCI 6: 7: 8: 9: if (( pRootHub == NULL ) && ( ehci_rh != NULL )) { 10: rh = (struct usbd_usb_deviceinfo *)ehci_rh->usbdev; 11: } 12: else { 13: rh = NULL; 14: } 15: #endif 16: 17: return rh; 18: }
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