ice: initialize mailbox snapshot earlier in PF init

Now that we no longer depend on the number of VFs being allocated, we can
move the ice_mbx_init_snapshot function earlier. This will be required by
Scalable IOV as we will not be calling ice_sriov_configure for Scalable
VFs.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_main.c

@@ -3891,6 +3891,7 @@ static int ice_init_pf(struct ice_pf *pf)
 
 	mutex_init(&pf->vfs.table_lock);
 	hash_init(pf->vfs.table);
+	ice_mbx_init_snapshot(&pf->hw);
 
 	return 0;
 }

drivers/net/ethernet/intel/ice/ice_sriov.c

@@ -1023,8 +1023,6 @@ int ice_sriov_configure(struct pci_dev *pdev, int num_vfs)
 		return -EBUSY;
 	}
 
-	ice_mbx_init_snapshot(&pf->hw);
-
 	err = ice_pci_sriov_ena(pf, num_vfs);
 	if (err)
 		return err;

drivers/net/ethernet/intel/ice/ice_vf_mbx.h

@@ -43,5 +43,9 @@ ice_conv_link_speed_to_virtchnl(bool __always_unused adv_link_support,
 	return 0;
 }
 
+static inline void ice_mbx_init_snapshot(struct ice_hw *hw)
+{
+}
+
 #endif /* CONFIG_PCI_IOV */
 #endif /* _ICE_VF_MBX_H_ */