[net-next 05/11] i40e: fix for queue timing delays

[Jeff Kirsher]

From: Carolyn Wyborny <carolyn.wybo...@intel.com>

This patch adds a delay to Rx queue disables to accommodate HW needs.

Change-ID: I2864ca667ce5dcc2cc44f8718113b719742a46a1
Signed-off-by: Carolyn Wyborny <carolyn.wybo...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 5da990909a88..1435033faefe 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4181,6 +4181,8 @@ static int i40e_vsi_control_rx(struct i40e_vsi *vsi, bool 
enable)
                }
        }
 
+       /* HW needs up to 50ms to finish RX queue disable*/
+       mdelay(50);
        return ret;
 }
 
-- 
2.12.0