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authorClaudiu Beznea <claudiu.beznea@microchip.com>2021-04-02 15:42:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-14 09:42:10 +0300
commitd9c55b2d336880758d500c49169a81c42377b076 (patch)
treea43fb38321ffbae1022ca97fb3271253fba40003
parentaf36da5becfbd7003b7ce0cd3a346d92c95f8278 (diff)
downloadlinux-d9c55b2d336880758d500c49169a81c42377b076.tar.xz
net: macb: restore cmp registers on resume path
[ 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.beznea@microchip.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 286f0341bdf8..48a6bda2a8cc 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3111,6 +3111,9 @@ 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);
@@ -3479,6 +3482,7 @@ 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);
@@ -3487,6 +3491,9 @@ 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);
}