target/linux/mvebu/patches-4.19/402-net-phylink-only-call-mac_config-during-resolve-when.patch

   1 From 6f3ea4e5b1f0867ec217f6101fcb89783ed905d7 Mon Sep 17 00:00:00 2001
   2 From: Russell King <rmk+kernel@armlinux.org.uk>
   3 Date: Sat, 9 Feb 2019 18:23:26 +0000
   4 Subject: [PATCH] net: phylink: only call mac_config() during resolve
   5  when link is up
   6
   7 There's little point calling mac_config() when the link is down.
   8
   9 Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
  10 ---
  11  drivers/net/phy/phylink.c | 11 +++++++++--
  12  1 file changed, 9 insertions(+), 2 deletions(-)
  13
  14 --- a/drivers/net/phy/phylink.c
  15 +++ b/drivers/net/phy/phylink.c
  16 @@ -337,6 +337,13 @@ static void phylink_mac_config(struct ph
  17         pl->ops->mac_config(pl->netdev, pl->link_an_mode, state);
  18  }
  19
  20 +static void phylink_mac_config_up(struct phylink *pl,
  21 +                                 const struct phylink_link_state *state)
  22 +{
  23 +       if (state->link)
  24 +               phylink_mac_config(pl, state);
  25 +}
  26 +
  27  static void phylink_mac_an_restart(struct phylink *pl)
  28  {
  29         if (pl->link_config.an_enabled &&
  30 @@ -440,12 +447,12 @@ static void phylink_resolve(struct work_
  31                 case MLO_AN_PHY:
  32                         link_state = pl->phy_state;
  33                         phylink_resolve_flow(pl, &link_state);
  34 -                       phylink_mac_config(pl, &link_state);
  35 +                       phylink_mac_config_up(pl, &link_state);
  36                         break;
  37
  38                 case MLO_AN_FIXED:
  39                         phylink_get_fixed_state(pl, &link_state);
  40 -                       phylink_mac_config(pl, &link_state);
  41 +                       phylink_mac_config_up(pl, &link_state);
  42                         break;
  43
  44                 case MLO_AN_INBAND: