If snps,rx-clk-runs-in-lpi parameter is present in the device tree, the
driver configures the PHY not to stop RX_CLK after entering Rx LPI state.
Signed-off-by: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 ++-
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 3 +++
include/linux/stmmac.h | 1 +
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b7e5af58ab75..1a5b8dab5e9b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1080,7 +1080,8 @@ static void stmmac_mac_link_up(struct phylink_config *config,
stmmac_mac_set(priv, priv->ioaddr, true);
if (phy && priv->dma_cap.eee) {
- priv->eee_active = phy_init_eee(phy, 1) >= 0;
+ priv->eee_active =
+ phy_init_eee(phy, !priv->plat->rx_clk_runs_in_lpi) >= 0;
priv->eee_enabled = stmmac_eee_init(priv);
priv->tx_lpi_enabled = priv->eee_enabled;
stmmac_set_eee_pls(priv, priv->hw, true);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index eb6d9cd8e93f..4dacda387fa4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -468,6 +468,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
plat->en_tx_lpi_clockgating =
of_property_read_bool(np, "snps,en-tx-lpi-clockgating");
+ plat->rx_clk_runs_in_lpi =
+ of_property_read_bool(np, "snps,rx-clk-runs-in-lpi");
+
/* Set the maxmtu to a default of JUMBO_LEN in case the
* parameter is not present in the device tree.
*/
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 83ca2e8eb6b5..a152678b82b7 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -252,6 +252,7 @@ struct plat_stmmacenet_data {
int rss_en;
int mac_port_sel_speed;
bool en_tx_lpi_clockgating;
+ bool rx_clk_runs_in_lpi;
int has_xgmac;
bool vlan_fail_q_en;
u8 vlan_fail_q;
--
2.34.1
