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pci: mediatek: make pcie-phy optional for gen3

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Set pcie-phy optional for PCIe gen3. MT7988 doesn't require it and
making it mandatory prevent the driver to correctly probe.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2024-06-24 23:03:38 +02:00 • committed by Tom Rini
parent 63d0f683ef
commit ca54ef2434
1 changed files with 12 additions and 10 deletions

22
drivers/pci/pcie_mediatek_gen3.c
View file

@ -284,9 +284,8 @@ static int mtk_pcie_power_on(struct udevice *dev)
pcie->priv = dev;
err = generic_phy_get_by_name(dev, "pcie-phy", &pcie->phy);
if (err)
return err;
/* pcie-phy is optional (mt7988 doesn't need it) */
generic_phy_get_by_name(dev, "pcie-phy", &pcie->phy);
/*
* Upstream linux kernel devine these clock without clock-names
@ -308,13 +307,15 @@ static int mtk_pcie_power_on(struct udevice *dev)
if (err)
return err;
err = generic_phy_init(&pcie->phy);
if (err)
return err;
if (pcie->phy.dev) {
err = generic_phy_init(&pcie->phy);
if (err)
return err;
err = generic_phy_power_on(&pcie->phy);
if (err)
goto err_phy_on;
err = generic_phy_power_on(&pcie->phy);
if (err)
goto err_phy_on;
}
err = clk_enable(&pcie->pl_250m_ck);
if (err)
@ -348,7 +349,8 @@ err_clk_tl_26m:
err_clk_pl_250m:
clk_disable(&pcie->pl_250m_ck);
err_phy_on:
generic_phy_exit(&pcie->phy);
if (pcie->phy.dev)
generic_phy_exit(&pcie->phy);
return err;
}