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| author | Christian Marangi <ansuelsmth@gmail.com> | 2024-06-24 23:03:38 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-07-08 11:45:50 -0600 |
| commit | ca54ef2434e4451f5f07bce201fee4d3a32b02ca (patch) | |
| tree | c475ace46a5a8f2442e4a9a86d3b6ce6dd89617e | |
| parent | 63d0f683efb70399a93ea7f95eeb78062cc613f0 (diff) | |
| download | u-boot-ca54ef2434e4451f5f07bce201fee4d3a32b02ca.zip u-boot-ca54ef2434e4451f5f07bce201fee4d3a32b02ca.tar.gz u-boot-ca54ef2434e4451f5f07bce201fee4d3a32b02ca.tar.bz2 | |
pci: mediatek: make pcie-phy optional for gen3
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>
| -rw-r--r-- | drivers/pci/pcie_mediatek_gen3.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/pci/pcie_mediatek_gen3.c b/drivers/pci/pcie_mediatek_gen3.c index 673813b..0149eda 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; } |