Add a new function usbd_abort_default_pipe() that aborts any transfers

on the default pipe. This is helpful in device detach routines to
stop any active control transfers.

2 files changed, 7 insertions, 0 deletions

diff --git a/sys/dev/usb/usbdi.c b/sys/dev/usb/usbdi.c
index 113462d..9a571dc 100644
--- a/sys/dev/usb/usbdi.c
+++ b/sys/dev/usb/usbdi.c
@@ -557,6 +557,12 @@ usbd_abort_pipe(usbd_pipe_handle pipe)
 }
 
 usbd_status
+usbd_abort_default_pipe(usbd_device_handle dev)
+{
+	return (usbd_abort_pipe(dev->default_pipe));
+}
+
+usbd_status
 usbd_clear_endpoint_stall(usbd_pipe_handle pipe)
 {
 	usbd_device_handle dev = pipe->device;
diff --git a/sys/dev/usb/usbdi.h b/sys/dev/usb/usbdi.h
index eee7b9e..4e062bb 100644
--- a/sys/dev/usb/usbdi.h
+++ b/sys/dev/usb/usbdi.h
@@ -110,6 +110,7 @@ void usbd_get_xfer_status(usbd_xfer_handle, usbd_private_handle *,
 usb_endpoint_descriptor_t *usbd_interface2endpoint_descriptor
 			(usbd_interface_handle, u_int8_t);
 usbd_status usbd_abort_pipe(usbd_pipe_handle);
+usbd_status usbd_abort_default_pipe(usbd_device_handle);
 usbd_status usbd_clear_endpoint_stall(usbd_pipe_handle);
 usbd_status usbd_clear_endpoint_stall_async(usbd_pipe_handle);
 void usbd_clear_endpoint_toggle(usbd_pipe_handle);