i40e: register existing client on probe

In some cases, a client (i40iw) may already be present when probe is
called. Check for this, and add a client instance if necessary.

Change-ID: I2009312694b7ad81f1023919e4c6c86181f21689
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26785018
(cherry picked from commit 8090f6183c56dd133a0fd6a9bcc09b1da8dbb0e8)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Kyle Fortin <kyle.fortin@oracle.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c
index d05296a7078e5eca8d81ef05e0d3b889c83d37f3..eb2896fd52a628817393fbc98ee0c6f28bb15927 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_client.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_client.c
@@ -436,6 +436,12 @@ int i40e_lan_add_device(struct i40e_pf *pf)
                 pf->hw.pf_id, pf->hw.bus.bus_id,
                 pf->hw.bus.device, pf->hw.bus.func);
 
+       /* If a client has already been registered, we need to add an instance
+        * of it to our new LAN device.
+        */
+       if (registered_client)
+               i40e_client_add_instance(pf);
+
        /* Since in some cases register may have happened before a device gets
         * added, we can schedule a subtask to go initiate the clients if
         * they can be launched at probe time.