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 --- drivers/pci/pcie_mediatek_gen3.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/pcie_mediatek_gen3.c b/drivers/pci/pcie_mediatek_gen3.c index 673813b8b75..0149edae0bf 100644 --- a/drivers/pci/pcie_mediatek_gen3.c +++ b/drivers/pci/pcie_mediatek_gen3.c @@ -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; }