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net: stmmac: starfive: use PHY capability for TX clock stop

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Whether the MII transmit clock can be stopped is primarily a property
of the PHY (there is a capability bit that should be checked first.)
Whether the MAC is capable of stopping the transmit clock is a separate
issue, but this is already handled by the core DesignWare MAC code.

Add the flag to allow the stmmac core to use the PHY capability.

Cc: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tsITu-005vGF-TM@rmk-PC.armlinux.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Russell King (Oracle) 2025-03-12 09:34:30 +00:00 committed by Paolo Abeni
parent 0c1f1eb654
commit 5f250bd72a
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
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@ -124,6 +124,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev)
plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate;
dwmac->dev = &pdev->dev;
plat_dat->flags |= STMMAC_FLAG_EN_TX_LPI_CLK_PHY_CAP;
plat_dat->bsp_priv = dwmac;
plat_dat->dma_cfg->dche = true;