openwrt/target/linux/generic/backport-4.19/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch
Russell King a07638eb24 kernel: move phylink patches from mvebu to generic
Move two phylink patches from mvebu to generic, so that everyone can
benefit from them.

Signed-off-by: Russell King <linux@armlinux.org.uk>
[jonas.gorski: add kernel version to file names]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
2020-01-21 22:32:48 +01:00

45 lines
1.3 KiB
Diff

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
@@ -339,6 +339,13 @@ 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 &&
@@ -442,12 +449,12 @@ 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: