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PCI: imx6: Configure PHY based on Root Complex or Endpoint mode

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Pass PHY_MODE_PCIE_EP if the PCI controller operates in Endpoint (EP) mode,
and fix the Root Complex (RC) mode being hardcoded using a drvdata mode
check.

Fixes: 8026f2d8e8 ("PCI: imx6: Call common PHY API to set mode, speed, and submode")
Link: https://lore.kernel.org/r/20241119-pci_fixup_addr-v8-6-c4bfa5193288@nxp.com
Signed-off-by: Frank Li <Frank.Li@nxp.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
This commit is contained in:
Frank Li
2024-11-19 14:44:24 -05:00
committed by Bjorn Helgaas
parent 137250911f
commit de22e20589
1 changed files with 3 additions and 1 deletions
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4
drivers/pci/controller/dwc/pci-imx6.c
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@@ -968,7 +968,9 @@ static int imx_pcie_host_init(struct dw_pcie_rp *pp)
goto err_clk_disable;
}
ret = phy_set_mode_ext(imx_pcie->phy, PHY_MODE_PCIE, PHY_MODE_PCIE_RC);
ret = phy_set_mode_ext(imx_pcie->phy, PHY_MODE_PCIE,
imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE ?
PHY_MODE_PCIE_EP : PHY_MODE_PCIE_RC);
if (ret) {
dev_err(dev, "unable to set PCIe PHY mode\n");
goto err_phy_exit;