diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2025-04-16 11:09:33 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-04-17 18:56:06 -0700 |
| commit | 7c6cd70ffd0ffe4ec95b6eca375a4e5dd5003819 (patch) | |
| tree | 232030a472315491624e81ccf0976a29b807e4c9 | |
| parent | 22cbc1ee268b7ec0000848708944daa61c6e4909 (diff) | |
net: stmmac: dwc-qos: use PHY clock-stop capability
Use the PHY clock-stop capability when programming the MAC LPI mode,
which allows the transmit clock to the PHY to be gated. Tested on the
Jetson Xavier NX platform.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/E1u4zi1-000xHh-57@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c index 583b5c071cd1..fa900b4991d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c @@ -252,7 +252,8 @@ bypass_clk_reset_gpio: plat_dat->fix_mac_speed = tegra_eqos_fix_speed; plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate; plat_dat->bsp_priv = eqos; - plat_dat->flags |= STMMAC_FLAG_SPH_DISABLE; + plat_dat->flags |= STMMAC_FLAG_SPH_DISABLE | + STMMAC_FLAG_EN_TX_LPI_CLK_PHY_CAP; return 0; |