net: macb: restore cmp registers on resume path

Restore CMP screener registers on resume path.

Fixes: c1e85c6 ("net: macb: save/restore the remaining registers and features")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cadence/macb_main.c

@@ -3239,6 +3239,9 @@ static void gem_prog_cmp_regs(struct macb *bp, struct ethtool_rx_flow_spec *fs)
  bool cmp_b = false;
  bool cmp_c = false;
 
+ if (!macb_is_gem(bp))
+ return;
+
  tp4sp_v = &(fs->h_u.tcp_ip4_spec);
  tp4sp_m = &(fs->m_u.tcp_ip4_spec);
 
@@ -3607,6 +3610,7 @@ static void macb_restore_features(struct macb *bp)
 {
  struct net_device *netdev = bp->dev;
  netdev_features_t features = netdev->features;
+ struct ethtool_rx_fs_item *item;
 
  /* TX checksum offload */
  macb_set_txcsum_feature(bp, features);
@@ -3615,6 +3619,9 @@ static void macb_restore_features(struct macb *bp)
  macb_set_rxcsum_feature(bp, features);
 
  /* RX Flow Filters */
+ list_for_each_entry(item, &bp->rx_fs_list.list, list)
+ gem_prog_cmp_regs(bp, &item->fs);
+
  macb_set_rxflow_feature(bp, features);
 }