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From 6f3ea4e5b1f0867ec217f6101fcb89783ed905d7 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Sat, 9 Feb 2019 18:23:26 +0000
Subject: [PATCH] net: phylink: only call mac_config() during resolve
when link is up
There's little point calling mac_config() when the link is down.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
drivers/net/phy/phylink.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -337,6 +337,13 @@ static void phylink_mac_config(struct ph
pl->ops->mac_config(pl->netdev, pl->link_an_mode, state);
}
+static void phylink_mac_config_up(struct phylink *pl,
+ const struct phylink_link_state *state)
+{
+ if (state->link)
+ phylink_mac_config(pl, state);
+}
+
static void phylink_mac_an_restart(struct phylink *pl)
{
if (pl->link_config.an_enabled &&
@@ -440,12 +447,12 @@ static void phylink_resolve(struct work_
case MLO_AN_PHY:
link_state = pl->phy_state;
phylink_resolve_flow(pl, &link_state);
- phylink_mac_config(pl, &link_state);
+ phylink_mac_config_up(pl, &link_state);
break;
case MLO_AN_FIXED:
phylink_get_fixed_state(pl, &link_state);
- phylink_mac_config(pl, &link_state);
+ phylink_mac_config_up(pl, &link_state);
break;
case MLO_AN_INBAND:
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