Commit 7c6cd70f authored by Russell King (Oracle)'s avatar Russell King (Oracle) Committed by Jakub Kicinski
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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: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/E1u4zi1-000xHh-57@rmk-PC.armlinux.org.uk


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 22cbc1ee

drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c

+2 −1
Original line number Diff line number Diff line
@@ -252,7 +252,8 @@ static int tegra_eqos_probe(struct platform_device *pdev, 
	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;