[RFC,net-next,02/13] net: phylink: rejig link state tracking

Message ID E1jqHFY-0006OE-Sw@rmk-PC.armlinux.org.uk
State New
Headers show
Series
  • Phylink PCS updates
Related show

Commit Message

Russell King June 30, 2020, 2:28 p.m.
Rejig the link state tracking, so that we can use the current state
in a future patch.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 drivers/net/phy/phylink.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

Patch

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 0fd5a11966aa..b36e0315f0b1 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -578,9 +578,14 @@  static void phylink_resolve(struct work_struct *w)
 	struct phylink *pl = container_of(w, struct phylink, resolve);
 	struct phylink_link_state link_state;
 	struct net_device *ndev = pl->netdev;
-	int link_changed;
+	bool cur_link_state;
 
 	mutex_lock(&pl->state_mutex);
+	if (pl->netdev)
+		cur_link_state = netif_carrier_ok(ndev);
+	else
+		cur_link_state = pl->old_link_state;
+
 	if (pl->phylink_disable_state) {
 		pl->mac_link_dropped = false;
 		link_state.link = false;
@@ -623,12 +628,7 @@  static void phylink_resolve(struct work_struct *w)
 		}
 	}
 
-	if (pl->netdev)
-		link_changed = (link_state.link != netif_carrier_ok(ndev));
-	else
-		link_changed = (link_state.link != pl->old_link_state);
-
-	if (link_changed) {
+	if (link_state.link != cur_link_state) {
 		pl->old_link_state = link_state.link;
 		if (!link_state.link)
 			phylink_link_down(pl);