For i40e vf driver, should use I40EVF_WRITE_FLUSH to flush
configuration but not I40E_WRITE_FLUSH. This patch fixed this issue.
Fixes: be6c228d4da3 (i40evf: support Rx interrupt)
Reported-by: Qian Xu <qian.q.xu@intel.com>
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
4522eca135