[PATCH net-next 1/4] net: ethernet: am65-cpsw: call netif_carrier_on/off() when appropriate

Roger Quadros
2025-01-15T16:43:12Z

Call netif_carrier_on/off when link is up/down.
When link is up only wake TX netif queue if network device is
running.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
drivers/net/ethernet/ti/am65-cpsw-nuss.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index dcb6662b473d..36c29d3db329 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2155,6 +2155,7 @@ static void am65_cpsw_nuss_mac_link_down(struct phylink_config *config, unsigned
cpsw_sl_ctl_clr(port->slave.mac_sl, mac_control);

am65_cpsw_qos_link_down(ndev);
+ netif_carrier_off(ndev);
netif_tx_stop_all_queues(ndev);
}

@@ -2196,7 +2197,9 @@ static void am65_cpsw_nuss_mac_link_up(struct phylink_config *config, struct phy
cpsw_ale_control_set(common->ale, port->port_id, ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);

am65_cpsw_qos_link_up(ndev, speed);
- netif_tx_wake_all_queues(ndev);
+ netif_carrier_on(ndev);
+ if (netif_running(ndev))
+ netif_tx_wake_all_queues(ndev);
}

static const struct phylink_mac_ops am65_cpsw_phylink_mac_ops = {

--
2.34.1