[PATCH net-next 3/4] net: phy: xpcs: Set Link down if AutoNeg is enabled and did not finish

From: Jose Abreu
Date: Fri Mar 20 2020 - 05:54:09 EST


Set XPCS Link as down when AutoNeg is enabled but it didn't finish with
success.

Signed-off-by: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>

---
Cc: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/net/phy/mdio-xpcs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/mdio-xpcs.c b/drivers/net/phy/mdio-xpcs.c
index 54976047dcb9..f10d86b85fbd 100644
--- a/drivers/net/phy/mdio-xpcs.c
+++ b/drivers/net/phy/mdio-xpcs.c
@@ -617,10 +617,12 @@ static int xpcs_get_state(struct mdio_xpcs_args *xpcs,
return xpcs_config(xpcs, state);
}

- if (state->link && state->an_enabled && xpcs_aneg_done(xpcs, state)) {
+ if (state->an_enabled && xpcs_aneg_done(xpcs, state)) {
state->an_complete = true;
xpcs_read_lpa(xpcs, state);
xpcs_resolve_lpa(xpcs, state);
+ } else if (state->an_enabled) {
+ state->link = 0;
} else if (state->link) {
xpcs_resolve_pma(xpcs, state);
}
--
2.7.4