greybus: rename greybus_cport_in()

This function is associated with a host device (interface), not a
CPort.  Change its name to reflect that, and to match its "sent"
callback counterpart.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/connection.c

@@ -29,7 +29,11 @@ struct gb_connection *gb_hd_connection_find(struct greybus_host_device *hd,
 	return connection;
 }
 
-void greybus_cport_in(struct greybus_host_device *hd, u16 cport_id,
+/*
+ * Callback from the host driver to let us know that data has been
+ * received on the interface.
+ */
+void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
 			u8 *data, size_t length)
 {
 	struct gb_connection *connection;
@@ -42,7 +46,7 @@ void greybus_cport_in(struct greybus_host_device *hd, u16 cport_id,
 	}
 	gb_connection_recv(connection, data, length);
 }
-EXPORT_SYMBOL_GPL(greybus_cport_in);
+EXPORT_SYMBOL_GPL(greybus_data_rcvd);
 
 /*
  * Allocate an available CPort Id for use for the host side of the

drivers/staging/greybus/connection.h

@@ -53,7 +53,7 @@ void gb_connection_exit(struct gb_connection *connection);
 struct gb_connection *gb_hd_connection_find(struct greybus_host_device *hd,
 				u16 cport_id);
 
-void greybus_cport_in(struct greybus_host_device *hd, u16 cport_id,
+void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
 			u8 *data, size_t length);
 __printf(2, 3)
 void gb_connection_err(struct gb_connection *connection, const char *fmt, ...);

drivers/staging/greybus/es1-ap-usb.c

@@ -392,7 +392,7 @@ static void cport_in_callback(struct urb *urb)
 	data = &data[1];
 
 	/* Pass this data to the greybus core */
-	greybus_cport_in(hd, cport_id, data, urb->actual_length - 1);
+	greybus_data_rcvd(hd, cport_id, data, urb->actual_length - 1);
 
 exit:
 	/* put our urb back in the request pool */