[PATCH 5.11 165/210] net: macb: restore cmp registers on resume path

[Greg Kroah-Hartman]

From: Claudiu Beznea <claudiu.bez...@microchip.com>

[ Upstream commit a14d273ba15968495896a38b7b3399dba66d0270 ]

Restore CMP screener registers on resume path.

Fixes: c1e85c6ce57ef ("net: macb: save/restore the remaining registers and 
features")
Signed-off-by: Claudiu Beznea <claudiu.bez...@microchip.com>
Acked-by: Nicolas Ferre <nicolas.fe...@microchip.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/ethernet/cadence/macb_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/cadence/macb_main.c 
b/drivers/net/ethernet/cadence/macb_main.c
index 07cdb38e7d11..fbedbceef2d1 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3235,6 +3235,9 @@ 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);
 
@@ -3603,6 +3606,7 @@ 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);
@@ -3611,6 +3615,9 @@ 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);
 }
 
-- 
2.30.2