diff mbox series

[2/3] net: stmmac: Bring down the clocks to lower frequencies when mac link goes down

Message ID 20240619-icc_bw_voting_from_ethqos-v1-2-6112948b825e@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Add interconnect support for qcom_ethqos driver. | expand

Commit Message

Sagar Cheluvegowda June 19, 2024, 10:41 p.m. UTC 
When mac link goes down we don't need to mainitain the clocks to operate
at higher frequencies, as an optimized solution to save power when
the link goes down we are trying to bring down the clocks to the
frequencies corresponding to the lowest speed possible.

Signed-off-by: Sagar Cheluvegowda <quic_scheluve@quicinc.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b3afc7cb7d72..bfb201a4b885 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -990,6 +990,9 @@  static void stmmac_mac_link_down(struct phylink_config *config,
 {
 	struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
 
+	if (priv->plat->fix_mac_speed)
+		priv->plat->fix_mac_speed(priv->plat->bsp_priv, SPEED_10, mode);
+
 	stmmac_mac_set(priv, priv->ioaddr, false);
 	priv->eee_active = false;
 	priv->tx_lpi_enabled = false;